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
2021-07-31 07:23:39 C 15 04 52.67 -02 15 42.0 V T05
2021-07-31 07:40:49 C 15 04 50.54 -02 15 36.6 V T05
2021-08-02 06:59:53 C 14 59 06.13 -01 58 54.6 V T08
2021-08-02 07:05:12 C 14 59 05.49 -01 58 52.3 V T08
2021-08-02 07:13:12 C 14 59 04.50 -01 58 50.2 V T08
2021-08-02 07:29:49 C 14 59 02.48 -01 58 43.8 V T08
2021-08-04 06:38:15 C 14 53 29.15 -01 42 49.8 V T05
2021-08-04 06:43:31 C 14 53 28.55 -01 42 48.2 V T05
2021-08-04 06:52:47 C 14 53 27.43 -01 42 45.1 V T05
2021-08-04 07:07:22 C 14 53 25.68 -01 42 40.1 V T05
2021-08-08 06:20:23 C 14 42 37.44 -01 12 18.9 V T05
2021-08-08 06:26:19 C 14 42 36.74 -01 12 18.1 V T05
2021-08-08 06:34:54 C 14 42 35.76 -01 12 15.2 V T05
2021-08-08 06:49:29 C 14 42 34.13 -01 12 10.3 V T05
2022-04-25 06:20:47 C 13 50 51.623 -16 05 06.18 V G96
2022-04-25 06:28:21 C 13 50 51.151 -16 05 03.01 V G96
2022-04-25 06:35:53 C 13 50 50.644 -16 04 59.30 V G96
2022-04-25 06:43:26 C 13 50 50.122 -16 04 56.35 V G96
2022-05-04 06:32:13 C 13 37 52.907 -14 33 45.79 V G96
2022-05-04 06:40:20 C 13 37 52.370 -14 33 42.98 V G96
2022-05-04 06:48:27 C 13 37 51.884 -14 33 39.53 V G96
2022-05-22 07:04:00 C 13 18 37.197 -11 58 52.46 U F52
2022-05-22 07:20:31 C 13 18 36.646 -11 58 47.47 U F52
2022-05-22 07:37:05 C 13 18 36.058 -11 58 42.78 U F52
2024-05-18 11:03:46 C 23 49 38.356 +08 16 18.16 V G96
2024-05-18 11:07:51 C 23 49 39.630 +08 16 26.40 V G96
2024-05-18 11:11:56 C 23 49 40.883 +08 16 34.39 V G96
2024-05-18 11:16:00 C 23 49 42.114 +08 16 41.70 V G96