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2008 EM68 Earth Impact Risk Summary Torino Scale (maximum) 0 Palermo Scale (maximum) -5.57 Palermo Scale (cumulative) -5.21 Impact Probability (cumulative) 1.7e-05 Number of Potential Impacts 1173 Vimpact 18.46 km/s Vinfinity 14.63 km/s H 27.7 Diameter 0.010 km Mass 1.2e+06 kg Energy 5.2e-02 MT all above are mean values weighted by impact probability Analysis based on 12 observations spanning .11019 days (2008-Mar-08.25164 to 2008-Mar-08.36183) Orbit diagram and elements available here.

These results were computed on May 07, 2008

2008 EM68 Earth Impact Table
Date	Distance	Width	Sigma Impact	Sigma LOV	Stretch LOV	Impact Probability	Impact Energy	Palermo Scale	Torino Scale
YYYY-MM-DD.DD	(rEarth)	(rEarth)			(rEarth)		(MT)
2010-03-11.38	1.38	5.17e-01	0.735	-0.23555	1.02e+05	1.1e-06	8.10e-02	-5.57	0
2010-09-12.04	49.72	1.22e+02	0.399	-0.48743	1.35e+05	2.5e-08	9.66e-02	-7.27	0
2011-03-11.53	2.41	5.78e-01	2.435	-0.96287	3.03e+05	6.3e-09	1.41e-01	-7.81	0
2011-09-10.13	100.33	1.10e+02	0.902	0.47436	8.95e+04	3.0e-08	5.34e-02	-7.54	0
2011-09-12.76	35.86	1.34e+02	0.261	-1.06257	3.59e+05	5.7e-09	1.54e-01	-7.90	0
2012-09-06.13	145.84	1.01e+02	1.433	1.19677	7.26e+04	1.2e-08	3.89e-02	-8.17	0
2012-09-11.44	52.84	1.20e+02	0.430	-0.36942	2.32e+05	1.5e-08	8.88e-02	-7.78	0
2013-03-11.32	1.35	2.15e+00	0.164	0.32117	1.50e+05	1.2e-06	5.80e-02	-6.08	0
2013-09-01.60	183.67	8.88e+01	2.057	1.81300	5.88e+04	2.2e-09	3.24e-02	-9.06	0
2013-09-10.62	76.32	1.13e+02	0.668	0.17117	1.90e+05	1.8e-08	6.30e-02	-7.90	0
2013-09-12.58	20.02	1.44e+02	0.132	-1.48027	1.06e+06	1.1e-09	2.32e-01	-8.68	0
2013-09-12.53	15.50	1.27e+02	0.114	-0.77225	4.23e+05	6.8e-09	1.21e-01	-8.10	0
2014-03-21.58	3.75	3.83e+00	0.717	3.56813	1.36e+04	1.0e-08	3.56e-02	-8.39	0
2014-06-21.59	103.96	3.00e+02	0.343	3.68657	1.08e+04	1.6e-10	3.73e-02	-10.20	0
2014-09-09.43	106.10	1.09e+02	0.968	0.61738	1.61e+05	1.5e-08	4.97e-02	-8.16	0
2014-09-11.83	49.65	1.21e+02	0.403	-0.32548	3.17e+05	1.1e-08	8.60e-02	-8.08	0
2014-09-13.25	80.92	1.39e+02	0.574	-1.01328	6.73e+05	2.7e-09	1.49e-01	-8.51	0
2014-09-14.06	111.32	1.43e+02	0.771	-1.58397	1.50e+06	4.9e-10	2.63e-01	-9.06	0
2015-03-12.45	1.23	1.50e+00	0.150	1.15660	1.30e+05	9.2e-07	3.96e-02	-6.47	0
2015-09-07.92	130.82	1.06e+02	1.228	1.00776	1.23e+05	1.1e-08	4.19e-02	-8.42	0
2015-09-11.38	71.00	1.15e+02	0.607	0.05023	2.85e+05	1.3e-08	6.75e-02	-8.18	0
2015-09-11.37	8.06	1.47e+02	0.048	-1.17529	9.09e+05	1.9e-09	1.66e-01	-8.69	0
2015-09-12.50	37.95	1.25e+02	0.296	-0.63281	5.05e+05	6.2e-09	1.08e-01	-8.33	0
2016-03-11.11	0.96	1.75e+01	0.000	0.47456	4.24e+06	6.0e-09	5.34e-02	-8.61	0
2016-03-10.46	1.74	8.75e-01	0.842	-0.79770	6.66e+05	1.2e-07	1.23e-01	-7.00	0
2016-09-05.20	148.05	1.01e+02	1.452	1.34499	2.09e+05	3.3e-09	3.70e-02	-9.03	0
2016-09-09.70	89.44	1.10e+02	0.807	0.37617	2.26e+05	1.3e-08	5.62e-02	-8.27	0
2016-09-11.24	12.84	1.53e+02	0.077	-1.71457	2.64e+06	2.8e-10	2.96e-01	-9.37	0
2016-09-11.26	52.09	1.20e+02	0.426	-0.30390	4.14e+05	8.7e-09	8.48e-02	-8.31	0
2016-09-11.40	47.40	1.39e+02	0.334	-1.29763	1.21e+06	1.2e-09	1.90e-01	-8.89	0
2016-09-12.40	3.40	1.28e+02	0.019	-0.84405	7.14e+05	3.8e-09	1.29e-01	-8.53	0
2017-03-11.18	9.81	3.50e+00	2.513	-0.49787	5.14e+05	5.2e-09	9.73e-02	-8.52	0
2017-03-11.22	10.29	3.18e+00	2.924	0.05760	1.59e+06	5.9e-10	6.73e-02	-9.59	0
2017-03-12.50	0.88	2.88e+01	0.000	1.81383	6.35e+05	5.3e-09	3.24e-02	-8.89	0
2017-09-03.03	170.24	9.45e+01	1.792	1.66252	1.80e+05	1.5e-09	3.37e-02	-9.46	0
2017-09-08.97	110.19	1.08e+02	1.014	0.66717	2.32e+05	9.5e-09	4.85e-02	-8.52	0
2017-09-11.06	66.39	1.16e+02	0.563	-0.01531	3.85e+05	9.5e-09	7.03e-02	-8.39	0
2017-09-11.89	41.84	1.23e+02	0.331	-0.54951	5.10e+05	6.4e-09	1.01e-01	-8.43	0
2017-09-13.13	73.51	1.37e+02	0.530	-0.99812	9.70e+05	2.0e-09	1.47e-01	-8.82	0
2017-09-12.30	33.88	1.41e+02	0.233	-1.39021	1.59e+06	8.2e-10	2.10e-01	-9.08	0
2017-09-12.17	22.83	1.54e+02	0.142	-1.75917	3.30e+06	2.1e-10	3.13e-01	-9.54	0
2018-03-11.95	2.20	5.01e+00	0.240	1.02988	1.86e+05	2.8e-07	4.15e-02	-7.12	0
2018-08-31.16	192.45	8.40e+01	2.278	1.96725	1.06e+05	5.9e-10	3.13e-02	-9.93	0
2018-09-08.12	125.98	1.04e+02	1.196	0.93027	2.19e+05	6.8e-09	4.32e-02	-8.75	0
2018-09-10.69	81.53	1.13e+02	0.712	0.24354	3.46e+05	9.6e-09	6.04e-02	-8.49	0
2018-09-11.81	48.93	1.20e+02	0.399	-0.29013	5.45e+05	6.7e-09	8.40e-02	-8.52	0
2018-09-13.01	12.42	1.43e+02	0.080	-1.46320	1.99e+06	6.0e-10	2.28e-01	-9.23	0
2019-03-11.92	0.19	5.96e-01	0.000	0.55351	2.63e+05	2.0e-06	5.13e-02	-6.25	0
2019-03-11.71	1.91	8.51e-01	1.066	0.00201	4.62e+05	1.7e-07	6.96e-02	-7.20	0
2019-03-12.57	4.90	5.75e+00	0.679	1.27558	2.68e+05	1.0e-07	3.79e-02	-7.65	0
2019-09-07.84	123.34	8.94e+01	1.369	1.15824	1.37e+06	8.0e-10	3.95e-02	-9.75	0
2019-09-07.22	136.88	1.05e+02	1.297	1.16980	1.70e+05	6.0e-09	3.94e-02	-8.87	0
2019-09-11.71	61.93	1.17e+02	0.522	-0.05614	4.86e+05	7.6e-09	7.22e-02	-8.56	0
2019-09-11.70	19.69	1.43e+02	0.131	-1.20783	1.49e+06	1.1e-09	1.72e-01	-9.10	0
2019-09-12.42	38.52	1.25e+02	0.300	-0.49550	4.59e+05	7.3e-09	9.72e-02	-8.48	0
2019-09-12.41	38.81	1.24e+02	0.304	-0.48871	2.81e+06	1.2e-09	9.67e-02	-9.26	0
2019-09-13.40	13.55	1.29e+02	0.097	-0.87702	9.70e+05	2.7e-09	1.33e-01	-8.80	0
2020-03-10.75	6.05	1.69e+00	2.982	-0.62240	7.74e+05	8.4e-10	1.07e-01	-9.40	0
2020-03-11.11	2.21	1.36e+00	0.891	0.21801	3.90e+05	2.7e-07	6.13e-02	-7.09	0
2020-06-29.38	127.00	2.58e+02	0.488	3.60007	2.61e+04	1.0e-10	3.60e-02	-10.70	0
2020-06-27.41	120.60	2.85e+02	0.419	3.62482	6.50e+03	3.5e-10	3.63e-02	-10.20	0
2020-09-04.92	156.52	9.81e+01	1.585	1.39391	1.75e+05	3.1e-09	3.64e-02	-9.23	0
2020-09-08.66	110.94	1.08e+02	1.022	0.69278	3.01e+05	7.1e-09	4.79e-02	-8.77	0
2020-09-10.46	74.09	1.14e+02	0.642	0.15766	3.68e+05	9.5e-09	6.34e-02	-8.55	0
2020-09-11.51	35.43	1.40e+02	0.246	-1.28759	1.77e+06	8.5e-10	1.88e-01	-9.22	0
2020-09-13.74	100.31	1.44e+02	0.689	-1.57304	2.87e+06	2.7e-10	2.60e-01	-9.60	0
2020-09-11.34	48.91	1.20e+02	0.398	-0.28179	6.16e+05	6.0e-09	8.34e-02	-8.66	0
2020-09-11.93	30.41	1.25e+02	0.235	-0.65812	8.75e+05	3.6e-09	1.10e-01	-8.78	0
2021-03-10.81	3.92	1.20e+00	2.435	-0.75843	1.01e+06	2.9e-09	1.20e-01	-8.86	0
2021-03-11.43	2.57	6.39e-01	2.455	0.41553	4.16e+05	6.6e-09	5.51e-02	-8.77	0
2021-03-11.82	0.14	1.53e+00	0.000	0.97219	2.56e+05	7.5e-07	4.25e-02	-6.81	0
2021-03-12.51	1.94	7.87e-01	1.196	1.71275	1.58e+05	9.0e-08	3.32e-02	-7.81	0
2021-09-03.51	170.71	9.40e+01	1.805	1.60943	1.69e+05	1.7e-09	3.41e-02	-9.56	0
2021-09-08.05	118.46	1.05e+02	1.119	0.89361	5.75e+05	2.9e-09	4.39e-02	-9.22	0
2021-09-10.11	84.67	1.02e+02	0.823	0.35130	3.01e+05	1.1e-08	5.69e-02	-8.56	0
2021-09-11.25	60.45	1.17e+02	0.508	-0.08402	5.86e+05	6.4e-09	7.34e-02	-8.71	0
2021-09-11.78	43.75	1.23e+02	0.349	-0.45824	6.56e+05	5.3e-09	9.45e-02	-8.70	0
2021-09-12.23	98.26	1.52e+02	0.641	-1.07877	4.27e+05	3.5e-09	1.56e-01	-8.71	0
2021-09-12.24	98.36	1.51e+02	0.643	-1.07849	5.86e+05	2.5e-09	1.56e-01	-8.84	0
2021-09-12.54	11.52	1.28e+02	0.082	-0.78855	1.02e+06	2.8e-09	1.23e-01	-8.88	0
2022-03-11.87	4.10	2.42e+00	1.277	0.59959	3.36e+05	1.3e-07	5.01e-02	-7.55	0
2022-03-13.13	0.36	3.96e+00	0.000	1.91953	1.97e+05	1.0e-07	3.17e-02	-7.82	0
2022-09-07.40	135.35	1.03e+02	1.306	1.07531	2.49e+05	4.6e-09	4.08e-02	-9.08	0
2022-09-09.70	97.10	1.17e+02	0.820	0.54245	8.54e+05	3.1e-09	5.16e-02	-9.18	0
2022-09-11.03	72.59	1.14e+02	0.627	0.09840	5.03e+05	7.1e-09	6.56e-02	-8.73	0
2022-09-11.75	52.06	1.20e+02	0.425	-0.27487	6.66e+05	5.5e-09	8.30e-02	-8.76	0
2022-09-12.21	37.85	1.24e+02	0.297	-0.60226	8.43e+05	3.8e-09	1.05e-01	-8.84	0
2022-09-12.52	30.45	1.42e+02	0.207	-1.40901	2.44e+06	5.2e-10	2.14e-01	-9.45	0
2022-09-13.13	18.37	1.30e+02	0.134	-0.89590	1.46e+06	1.7e-09	1.34e-01	-9.09	0
2023-03-11.81	5.73	1.38e+00	3.425	-0.06310	6.48e+05	2.4e-10	7.25e-02	-10.20	0
2023-03-12.82	7.13	1.25e+01	0.490	1.33948	3.36e+05	4.1e-08	3.71e-02	-8.18	0
2023-08-30.84	193.51	8.61e+01	2.237	2.01972	1.47e+05	4.1e-10	3.10e-02	-10.30	0
2023-09-06.52	148.72	9.93e+01	1.488	1.25494	2.36e+05	3.2e-09	3.81e-02	-9.30	0
2023-09-09.30	112.41	1.07e+02	1.038	0.70852	3.67e+05	5.7e-09	4.76e-02	-8.96	0
2023-09-11.57	35.09	1.42e+02	0.240	-1.22313	1.99e+06	8.1e-10	1.74e-01	-9.36	0
2023-09-10.84	83.81	1.12e+02	0.736	0.26922	4.70e+05	6.9e-09	5.95e-02	-8.80	0
2023-09-11.77	59.01	1.17e+02	0.497	-0.10453	6.77e+05	5.5e-09	7.43e-02	-8.82	0
2023-09-12.23	44.89	1.22e+02	0.359	-0.43060	7.95e+05	4.4e-09	9.25e-02	-8.85	0
2023-09-12.74	26.11	1.25e+02	0.200	-0.72105	1.18e+06	2.5e-09	1.16e-01	-9.01	0
2023-09-12.89	26.29	1.43e+02	0.177	-1.45689	2.87e+06	4.1e-10	2.25e-01	-9.57	0
2023-09-10.77	78.04	1.62e+02	0.477	-1.67720	4.38e+06	1.5e-10	2.79e-01	-9.92	0
2023-09-13.57	64.36	1.34e+02	0.471	-0.98529	1.52e+06	1.3e-09	1.45e-01	-9.21	0
2024-03-10.84	7.85	2.27e+00	3.026	-0.53073	9.31e+05	6.5e-10	9.97e-02	-9.67	0
2024-03-13.33	3.86	1.61e+00	1.776	2.33609	1.28e+05	1.1e-08	2.96e-02	-8.86	0
2024-09-04.70	158.19	9.74e+01	1.614	1.42129	2.35e+05	2.1e-09	3.61e-02	-9.52	0
2024-09-07.99	120.87	1.05e+02	1.137	0.86815	3.41e+05	4.9e-09	4.44e-02	-9.08	0
2024-09-09.70	89.25	1.10e+02	0.802	0.42638	4.51e+05	6.6e-09	5.48e-02	-8.88	0
2024-09-11.30	44.29	1.39e+02	0.311	-1.28229	2.15e+06	7.0e-10	1.86e-01	-9.43	0
2024-09-11.34	48.68	1.20e+02	0.398	-0.26972	7.44e+05	5.0e-09	8.30e-02	-8.86	0
2024-09-11.79	34.40	1.24e+02	0.270	-0.55865	9.78e+05	3.4e-09	1.02e-01	-8.95	0
2024-09-12.46	1.91	1.28e+02	0.007	-0.82191	1.27e+06	2.2e-09	1.26e-01	-9.07	0
2024-09-12.30	100.02	1.51e+02	0.654	-1.06027	6.09e+05	2.5e-09	1.54e-01	-8.95	0
2024-09-12.23	96.99	1.40e+02	0.687	-1.05957	1.93e+06	8.3e-10	1.54e-01	-9.42	0
2025-03-11.19	1.09	1.74e+01	0.005	0.24498	3.70e+05	7.5e-08	6.04e-02	-7.80	0
2025-03-11.26	0.56	1.19e+01	0.000	0.24598	2.26e+05	1.8e-07	6.04e-02	-7.42	0
2025-03-11.22	5.13	9.50e+00	0.435	0.61899	1.10e+06	3.4e-08	4.97e-02	-8.21	0
2025-03-11.47	0.03	3.28e+00	0.000	0.62578	3.10e+05	4.0e-07	4.95e-02	-7.15	0
2025-03-11.78	2.21	3.96e+00	0.305	1.08020	2.57e+05	2.3e-07	4.07e-02	-7.45	0
2025-03-10.82	18.78	1.15e+01	1.543	-0.64357	4.31e+07	2.2e-10	1.09e-01	-10.10	0
2025-03-14.18	3.88	1.98e+00	1.461	2.56501	1.06e+05	1.4e-08	2.92e-02	-8.79	0
2025-03-30.66	0.35	2.05e+01	0.000	3.87710	1.98e+04	6.7e-10	4.03e-02	-9.99	0
2025-09-03.87	166.26	9.65e+01	1.713	1.57975	1.93e+05	1.7e-09	3.44e-02	-9.64	0
2025-09-07.49	114.90	1.07e+02	1.064	1.01824	6.60e+05	2.4e-09	4.17e-02	-9.45	0
2025-09-09.46	98.12	1.09e+02	0.889	0.57605	3.91e+05	6.6e-09	5.07e-02	-8.93	0
2025-09-06.72	137.62	9.11e+01	1.500	1.02902	5.75e+06	1.8e-10	4.15e-02	-10.60	0
2025-09-10.65	73.61	1.14e+02	0.637	0.20322	5.51e+05	6.3e-09	6.18e-02	-8.88	0
2025-09-12.37	12.49	1.39e+02	0.083	-1.33383	2.61e+06	5.6e-10	1.98e-01	-9.53	0
2025-09-11.44	49.32	1.18e+02	0.410	-0.11994	7.48e+05	5.2e-09	7.51e-02	-8.90	0
2025-09-11.94	31.23	1.23e+02	0.247	-0.40790	9.66e+05	3.8e-09	9.13e-02	-8.97	0
2025-09-12.53	6.74	1.26e+02	0.046	-0.66877	1.24e+06	2.6e-09	1.11e-01	-9.07	0
2025-09-11.91	92.43	1.54e+02	0.594	-1.12229	2.03e+06	7.1e-10	1.61e-01	-9.50	0
2025-09-13.46	58.05	1.30e+02	0.440	-0.90803	1.52e+06	1.5e-09	1.37e-01	-9.23	0
2025-09-13.33	35.61	1.44e+02	0.240	-1.53602	3.57e+06	2.9e-10	2.47e-01	-9.74	0
2026-03-11.20	0.23	2.51e-01	0.000	0.05037	2.79e+07	2.7e-08	6.76e-02	-8.24	0
2026-03-11.17	2.69	7.37e+00	0.229	0.05076	6.49e+06	9.7e-09	6.76e-02	-8.68	0
2026-03-12.24	0.77	2.52e+00	0.000	1.22625	2.88e+05	3.0e-07	3.86e-02	-7.38	0
2026-09-02.59	176.99	9.20e+01	1.914	1.74442	1.74e+05	1.1e-09	3.29e-02	-9.90	0
2026-09-07.06	133.32	1.07e+02	1.236	1.16750	3.96e+05	2.7e-09	3.93e-02	-9.43	0
2026-09-09.05	108.45	1.05e+02	1.019	0.71938	4.08e+05	5.3e-09	4.74e-02	-9.08	0
2026-09-10.48	75.23	1.15e+02	0.647	0.34405	1.62e+06	2.0e-09	5.71e-02	-9.43	0
2026-09-11.29	60.91	1.15e+02	0.519	0.02146	4.33e+05	8.7e-09	6.87e-02	-8.73	0
2026-09-11.77	45.63	1.21e+02	0.370	-0.26521	7.56e+05	4.9e-09	8.25e-02	-8.92	0
2026-09-12.07	31.70	1.23e+02	0.249	-0.52483	1.08e+06	3.2e-09	9.89e-02	-9.04	0
2026-09-13.52	147.73	1.43e+02	1.026	-0.98087	1.22e+06	1.0e-09	1.45e-01	-9.40	0
2027-03-12.08	4.17	1.99e+00	1.595	0.52222	4.60e+05	5.8e-08	5.21e-02	-8.01	0
2027-03-12.74	7.43	7.42e+00	0.867	1.36363	5.40e+05	3.0e-08	3.68e-02	-8.43	0
2027-03-13.38	5.71	1.13e+01	0.416	1.96761	2.15e+06	2.6e-09	3.13e-02	-9.54	0
2027-09-01.38	183.99	8.83e+01	2.071	1.88894	1.68e+05	6.4e-10	3.18e-02	-10.20	0
2027-09-06.26	150.20	1.00e+02	1.489	1.30606	2.52e+05	2.7e-09	3.75e-02	-9.47	0
2027-09-08.84	118.14	1.06e+02	1.101	0.85072	3.57e+05	4.9e-09	4.47e-02	-9.15	0
2027-09-09.72	0.57	1.56e+02	0.000	-1.23033	2.24e+06	6.7e-10	1.70e-01	-9.55	0
2027-09-12.60	88.93	1.45e+02	0.607	-1.04468	2.16e+06	7.7e-10	1.50e-01	-9.54	0
2027-09-11.91	50.17	1.19e+02	0.415	-0.13250	8.02e+05	4.8e-09	7.57e-02	-8.98	0
2028-03-11.37	2.62	1.20e+00	1.351	0.64874	4.84e+05	8.5e-08	4.90e-02	-7.90	0
2028-08-29.72	195.39	8.31e+01	2.339	2.04596	1.60e+05	2.9e-10	3.09e-02	-10.50	0
2028-09-04.54	159.69	9.76e+01	1.626	1.43913	2.10e+05	2.3e-09	3.59e-02	-9.59	0
2028-09-09.11	91.49	1.13e+02	0.802	0.60446	3.07e+06	8.7e-10	5.00e-02	-9.89	0
2028-09-07.39	128.74	1.04e+02	1.225	0.98588	2.89e+05	4.8e-09	4.22e-02	-9.21	0
2028-09-09.51	89.13	1.06e+02	0.835	0.60031	3.94e+06	7.0e-10	5.01e-02	-9.98	0
2028-09-09.01	100.25	1.09e+02	0.911	0.61681	1.47e+06	1.7e-09	4.97e-02	-9.60	0
2028-09-09.01	100.17	1.12e+02	0.885	0.61656	1.01e+06	2.5e-09	4.97e-02	-9.44	0
2028-09-10.76	57.59	1.39e+02	0.408	-1.27890	2.23e+06	6.5e-10	1.84e-01	-9.56	0
2028-09-10.84	62.13	1.16e+02	0.525	-0.00611	7.66e+05	4.9e-09	6.98e-02	-9.02	0
2028-09-09.68	91.06	1.80e+02	0.500	-1.45148	3.28e+06	2.6e-10	2.14e-01	-9.91	0
2028-09-11.79	23.76	1.43e+02	0.159	-0.49696	1.53e+06	2.0e-09	9.69e-02	-9.30	0
2028-09-13.25	65.79	1.30e+02	0.500	-0.91712	1.79e+06	1.2e-09	1.38e-01	-9.38	0
2028-09-12.29	5.62	1.28e+02	0.036	-0.71426	1.43e+06	2.1e-09	1.15e-01	-9.21	0
2028-09-11.61	89.97	1.53e+02	0.580	-1.09951	2.44e+06	6.1e-10	1.57e-01	-9.64	0
2029-03-12.41	0.51	1.53e+00	0.000	1.62864	1.87e+05	4.2e-07	3.40e-02	-7.35	0
2029-03-13.43