364877 (2008 EM9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8524697214 ± 2.72e-08
Semi-major axis (a)1.9588357872 AU ± 8.65e-09
Inclination (i)9.43927817° ± 6.13e-06
Long. of Asc. Node (Ω)229.68324609° ± 3.04e-05
Arg. of Perihelion (ω)181.79289790° ± 3.11e-05
Mean Anomaly (M)185.09041969° ± 1.08e-05
Mean Motion (n)0.3595135235°/day ± 2.38e-09
Perihelion dist (q)0.28898759 AU ± 5.33e-08
Aphelion dist (Q)3.62868399 AU ± 5.56e-08
Orbital Period2.74155552 yr ± 1.82e-08
Physical Parameters
H (abs. magnitude)17.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.570″
Uncertainty0
Orbit TypeApollo
MOID0.134581 AU
Observations Used493
Oppositions10
Arc Total2008-2024
First Observation Used2008-03-09
Last Observation Used2024-05-18
Observations (678)
Date Type RA Dec Mag Band Observatory
2014-04-24 06:37:11 C 14 33 34.23 -17 43 24.9 L W84
2014-04-24 06:41:47 C 14 33 33.97 -17 43 23.5 L W84
2014-04-29 09:48:44 C 14 26 40.189 -17 05 21.36 L F51
2014-04-29 10:04:00 C 14 26 39.326 -17 05 16.48 L F51
2014-04-29 10:19:14 C 14 26 38.461 -17 05 11.92 L F51
2014-04-29 10:34:29 C 14 26 37.598 -17 05 06.83 L F51
2015-05-20 08:01:55 C 16 07 58.98 -17 59 17.5 L W84
2015-05-20 08:06:34 C 16 07 58.72 -17 59 16.5 L W84
2015-05-20 08:11:16 C 16 07 58.46 -17 59 15.5 L W84
2015-05-20 08:15:56 C 16 07 58.20 -17 59 14.6 L W84
2015-05-20 08:20:34 C 16 07 57.94 -17 59 13.8 L W84
2018-06-08 09:51:29 C 16 23 37.932 -16 07 13.03 U F51
2018-06-08 10:09:25 C 16 23 36.629 -16 07 09.03 U F51
2018-06-08 10:27:21 C 16 23 35.333 -16 07 04.93 U F51
2018-06-15 09:02:50 C 16 11 49.769 -15 29 14.07 U F51
2018-06-15 09:19:47 C 16 11 48.567 -15 29 10.24 U F51
2018-06-15 09:36:45 C 16 11 47.360 -15 29 06.48 U F51
2018-06-15 09:53:42 C 16 11 46.148 -15 29 02.59 U F51
2018-07-03 07:07:19 C 15 44 47.312 -14 01 21.78 U F52
2018-07-03 07:35:46 C 15 44 45.730 -14 01 16.68 U F52
2018-07-03 07:49:58 C 15 44 44.942 -14 01 14.38 U F52
2018-07-12 06:49:26 C 15 34 27.393 -13 28 48.22 U F51
2018-07-12 07:21:51 C 15 34 25.992 -13 28 44.07 U F51
2018-07-12 07:38:03 C 15 34 25.296 -13 28 41.99 U F51
2019-02-19 03:22:09 S 15 42 21.66 -33 57 27.9 L C51
2019-02-19 08:04:54 S 15 41 39.33 -33 56 18.4 L C51
2019-02-19 09:39:09 S 15 41 25.18 -33 55 54.5 L C51
2019-02-19 11:13:13 S 15 41 11.07 -33 55 30.9 L C51
2019-02-19 14:21:44 S 15 40 42.76 -33 54 43.7 L C51
2019-03-01 13:55:47 C 15 02 28.38 -32 22 36.7 V T08
2019-03-01 14:17:34 C 15 02 24.59 -32 22 25.3 V T08
2019-03-01 14:29:30 C 15 02 22.52 -32 22 18.7 V T08
2019-03-01 14:36:24 C 15 02 21.35 -32 22 15.5 V T08
2019-03-17 12:33:27 C 13 55 03.12 -27 11 06.0 V T08
2019-03-17 12:54:57 C 13 54 59.32 -27 10 42.8 V T08
2019-03-17 13:07:27 C 13 54 57.06 -27 10 29.6 V T08
2019-03-25 01:06:45 C 13 25 07.39 -23 43 42.3 V C95
2019-03-25 01:13:58 C 13 25 06.24 -23 43 33.6 V C95
2019-03-25 01:21:11 C 13 25 05.12 -23 43 24.0 V C95
2019-03-25 01:28:24 C 13 25 03.99 -23 43 16.1 V C95
2019-03-27 11:13:00 C 13 16 17.53 -22 33 17.2 V T05
2019-03-27 11:15:00 C 13 16 17.20 -22 33 15.1 V T05
2019-03-27 11:25:03 C 13 16 15.69 -22 33 03.2 V T05
2019-03-27 11:27:03 C 13 16 15.33 -22 33 01.1 V T05
2019-03-27 11:29:03 C 13 16 15.08 -22 32 58.4 V T05
2019-03-27 11:36:20 C 13 16 13.94 -22 32 49.6 V T05
2019-03-27 11:38:19 C 13 16 13.61 -22 32 47.6 V T05
2019-03-27 11:40:17 C 13 16 13.40 -22 32 44.2 V T05
2019-03-27 11:47:33 C 13 16 12.23 -22 32 35.3 V T05
2019-03-27 11:48:52 C 13 16 12.07 -22 32 33.9 V T05