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
2019-04-19 04:14:33 s 1 -195057.65 2 +249916.75 9910.0 C57
2019-04-19 09:44:33 S 12 18 33.528 -12 37 18.19 V C57
2019-04-19 09:44:33 s 1 -199606.72 3 +232310.95 4140.0 C57
2019-04-19 12:44:33 S 12 18 20.995 -12 34 42.71 V C57
2019-04-19 12:44:33 s 1 -201662.41 1 +222206.14 9990.0 C57
2019-04-19 13:44:33 S 12 18 16.807 -12 33 51.59 V C57
2019-04-19 13:44:33 s 1 -202276.23 8 +218758.28 6630.0 C57
2019-04-21 03:44:33 S 12 15 39.854 -12 02 31.34 V C57
2019-04-21 03:44:33 s 1 -187371.63 5 +57438.966 3680.0 C57
2019-04-21 04:14:33 S 12 15 38.071 -12 02 06.29 V C57
2019-04-21 04:14:33 s 1 -186461.21 8 +54937.681 1150.0 C57
2019-04-21 06:14:33 S 12 15 30.367 -12 00 34.45 V C57
2019-04-21 06:14:33 s 1 -182545.94 9 +44854.565 1390.0 C57
2019-04-25 03:47:12 C 12 10 26.47 -10 51 12.1 V G96
2019-04-25 03:55:22 C 12 10 26.06 -10 51 06.3 V G96
2019-04-25 04:03:32 C 12 10 25.63 -10 51 00.5 V G96
2019-04-25 04:11:43 C 12 10 25.25 -10 50 54.7 V G96
2019-05-01 09:09:53 C 12 04 31.263 -09 16 37.13 U F51
2019-05-01 09:27:15 C 12 04 30.670 -09 16 27.31 U F51
2019-05-01 09:44:39 C 12 04 30.082 -09 16 17.43 U F51
2019-05-01 10:02:10 C 12 04 29.489 -09 16 07.51 U F51
2019-05-08 06:44:33 C 12 00 27.341 -07 54 50.92 U F51
2019-05-08 07:01:18 C 12 00 27.014 -07 54 43.75 U F51
2019-06-05 06:22:43 C 12 02 05.411 -05 26 00.84 U F51
2019-06-05 06:39:40 C 12 02 05.684 -05 25 59.85 U F51
2019-06-05 06:56:34 C 12 02 05.966 -05 25 58.92 U F51
2019-06-05 07:13:32 C 12 02 06.244 -05 25 57.74 U F51
2021-06-11 10:58:32 C 17 53 27.36 -11 53 52.6 V T08
2021-06-11 11:03:14 C 17 53 26.86 -11 53 51.1 V T08
2021-06-11 11:13:20 C 17 53 25.74 -11 53 47.8 V T08
2021-06-11 11:28:27 C 17 53 24.13 -11 53 40.5 V T08
2021-06-17 10:27:46 C 17 37 15.31 -10 50 33.9 V T05
2021-06-17 11:18:50 C 17 37 08.91 -10 50 09.9 V T05
2021-06-17 11:23:07 C 17 37 08.39 -10 50 08.1 V T05
2021-06-17 11:32:04 C 17 37 07.27 -10 50 03.6 V T05
2021-06-30 08:47:10 C 16 54 05.925 -08 13 20.41 U F51
2021-06-30 09:03:35 C 16 54 03.358 -08 13 11.50 U F51
2021-06-30 09:20:03 C 16 54 00.791 -08 13 02.58 U F51
2021-06-30 22:01:27 C 16 52 04.35 -08 06 15.5 V 130
2021-06-30 22:04:13 C 16 52 03.92 -08 06 14.5 V 130
2021-06-30 22:06:59 C 16 52 03.45 -08 06 12.9 V 130
2021-07-05 08:53:25 C 16 35 25.90 -07 08 04.3 V T08
2021-07-05 08:58:03 C 16 35 25.15 -07 08 01.5 V T08
2021-07-05 09:06:01 C 16 35 23.88 -07 07 57.4 V T08
2021-07-05 09:56:29 C 16 35 15.78 -07 07 29.8 V T08
2021-07-07 08:45:31 C 16 27 52.91 -06 42 03.7 V T05
2021-07-07 08:51:26 C 16 27 51.97 -06 42 00.4 V T05
2021-07-07 09:02:42 C 16 27 50.14 -06 41 54.3 V T05
2021-07-07 09:45:08 C 16 27 43.31 -06 41 30.8 V T05
2021-07-08 22:07:16 C 16 21 59.59 -06 21 44.0 q Y00