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
2019-04-06 01:14:33 s 1 -204843.42 7 +202306.10 7640.0 C57
2019-04-06 02:14:33 S 12 46 37.517 -17 56 57.70 V C57
2019-04-06 02:14:33 s 1 -205228.40 2 +198663.93 480.0 C57
2019-04-06 03:14:33 S 12 46 30.593 -17 55 52.39 V C57
2019-04-06 03:14:33 s 1 -205572.11 2 +194981.18 9150.0 C57
2019-04-06 08:14:33 S 12 45 53.962 -17 50 05.78 V C57
2019-04-06 08:14:33 s 1 -206635.99 4 +175954.71 2160.0 C57
2019-04-06 09:44:33 S 12 45 43.728 -17 48 15.26 V C57
2019-04-06 09:44:33 s 1 -206729.01 6 +170046.37 590.0 C57
2019-04-06 10:29:41 C 12 45 12.47 -17 48 08.6 V T08
2019-04-06 10:41:38 C 12 45 11.10 -17 47 55.2 V T08
2019-04-06 10:43:37 C 12 45 10.89 -17 47 52.8 V T08
2019-04-06 11:00:52 C 12 45 08.89 -17 47 33.8 V T08
2019-04-06 11:44:33 S 12 45 28.814 -17 46 09.52 V C57
2019-04-06 11:44:33 s 1 -206678.84 7 +162023.86 50.0 C57
2019-04-06 12:14:33 S 12 45 25.250 -17 45 26.71 V C57
2019-04-06 12:14:33 s 1 -206634.11 9 +159992.34 5670.0 C57
2019-04-06 12:44:33 S 12 45 21.574 -17 44 57.62 V C57
2019-04-06 12:44:33 s 1 -206576.18 0 +157950.44 3170.0 C57
2019-04-06 13:44:33 S 12 45 15.002 -17 43 47.78 V C57
2019-04-06 13:44:33 s 1 -206419.96 8 +153835.53 880.0 C57
2019-04-06 14:14:33 S 12 45 11.035 -17 43 16.50 V C57
2019-04-06 14:14:33 s 1 -206321.33 6 +151762.50 9570.0 C57
2019-04-06 14:44:33 S 12 45 07.654 -17 42 43.63 V C57
2019-04-06 14:44:33 s 1 -206208.77 5 +149679.09 7130.0 C57
2019-04-06 15:44:33 S 12 44 59.954 -17 41 29.47 V C57
2019-04-06 15:44:33 s 1 -205941.11 1 +145481.13 5610.0 C57
2019-04-06 16:14:33 S 12 44 56.611 -17 40 58.58 V C57
2019-04-06 16:14:33 s 1 -205785.62 0 +143366.57 4900.0 C57
2019-04-06 16:44:33 S 12 44 53.453 -17 40 25.03 V C57
2019-04-06 16:44:33 s 1 -205615.42 6 +141241.64 9760.0 C57
2019-04-08 10:55:51 C 12 40 01.20 -16 54 04.8 V T05
2019-04-08 11:09:48 C 12 39 59.68 -16 53 49.5 V T05
2019-04-08 11:22:22 C 12 39 58.35 -16 53 35.8 V T05
2019-04-08 11:36:18 C 12 39 56.91 -16 53 20.4 V T05
2019-04-09 07:46:39 C 12 37 54.16 -16 31 24.9 V G96
2019-04-09 07:54:04 C 12 37 53.43 -16 31 16.8 V G96
2019-04-09 08:01:29 C 12 37 52.67 -16 31 08.8 V G96
2019-04-09 08:08:56 C 12 37 51.91 -16 31 00.8 V G96
2019-04-10 10:23:28 C 12 35 18.03 -16 02 57.6 V T08
2019-04-10 10:37:28 C 12 35 16.65 -16 02 42.1 V T08
2019-04-10 10:44:51 C 12 35 15.97 -16 02 34.4 V T08
2019-04-10 10:50:51 C 12 35 15.32 -16 02 28.5 V T08
2019-04-10 10:58:08 C 12 35 14.65 -16 02 20.8 V T08
2019-04-10 11:04:07 C 12 35 14.03 -16 02 13.8 V T08
2019-04-10 11:11:28 C 12 35 13.31 -16 02 05.6 V T08
2019-04-10 11:24:45 C 12 35 12.01 -16 01 52.1 V T08
2019-04-14 16:44:33 S 12 26 58.949 -14 20 12.88 V C57
2019-04-14 17:14:33 S 12 26 57.022 -14 19 45.12 V C57
2019-04-14 21:44:33 S 12 26 35.347 -14 15 22.68 V C57