IAA RAS IAA Minor Planet Database

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
2019-04-01 07:44:33 S 13 00 52.390 -20 11 32.06 – V C57
2019-04-01 07:44:33 s 1 -22285.228 0 +377560.17 6470.0 – C57
2019-04-01 08:14:33 S 13 00 48.576 -20 11 00.13 – V C57
2019-04-01 08:14:33 s 1 -23370.493 0 +377776.76 2560.0 – C57
2019-04-01 09:44:33 S 13 00 36.698 -20 09 12.67 – V C57
2019-04-01 09:44:33 s 1 -26623.127 0 +378372.72 1740.0 – C57
2019-04-01 10:14:33 S 13 00 33.473 -20 08 37.72 – V C57
2019-04-01 10:14:33 s 1 -27706.204 0 +378553.47 8830.0 – C57
2019-04-01 11:14:33 S 13 00 25.670 -20 07 26.26 – V C57
2019-04-01 11:14:33 s 1 -29870.514 0 +378888.19 9730.0 – C57
2019-04-01 11:44:33 S 13 00 21.158 -20 06 43.70 – V C57
2019-04-01 11:44:33 s 1 -30951.699 0 +379042.18 3780.0 – C57
2019-04-01 12:14:33 S 13 00 17.297 -20 06 09.18 – V C57
2019-04-01 12:14:33 s 1 -32032.206 0 +379187.27 3700.0 – C57
2019-04-01 12:44:33 S 13 00 13.913 -20 05 35.12 – V C57
2019-04-01 12:44:33 s 1 -33112.010 0 +379323.47 9630.0 – C57
2019-04-01 15:14:33 S 12 59 54.787 -20 02 30.73 – V C57
2019-04-01 15:14:33 s 1 -38499.673 0 +379871.57 3070.0 – C57
2019-04-01 17:44:33 S 12 59 35.707 -19 59 32.10 – V C57
2019-04-01 17:44:33 s 1 -43866.260 0 +380199.05 3070.0 – C57
2019-04-01 19:44:33 S 12 59 20.474 -19 57 16.42 – V C57
2019-04-01 19:44:33 s 1 -48142.404 0 +380302.98 4210.0 – C57
2019-04-01 20:44:33 S 12 59 12.307 -19 55 56.60 – V C57
2019-04-01 20:44:33 s 1 -50274.260 0 +380302.45 200.0 – C57
2019-04-01 21:14:33 S 12 59 08.237 -19 55 20.03 – V C57
2019-04-01 21:14:33 s 1 -51338.553 0 +380289.10 4920.0 – C57
2019-04-01 21:44:33 S 12 59 04.591 -19 54 48.13 – V C57
2019-04-01 21:44:33 s 1 -52401.726 0 +380267.02 7620.0 – C57
2019-04-01 23:14:33 S 12 58 52.918 -19 53 01.86 – V C57
2019-04-01 23:14:33 s 1 -55584.293 0 +380148.56 4540.0 – C57
2019-04-01 23:44:33 S 12 58 49.013 -19 52 21.00 – V C57
2019-04-01 23:44:33 s 1 -56642.755 0 +380091.68 150.0 – C57
2019-04-02 00:14:33 S 12 58 45.497 -19 51 51.80 – V C57
2019-04-02 00:14:33 s 1 -57699.982 0 +380026.12 4250.0 – C57
2019-04-02 00:44:33 S 12 58 41.626 -19 51 14.29 – V C57
2019-04-02 00:44:33 s 1 -58755.951 0 +379951.89 6950.0 – C57
2019-04-02 01:14:33 S 12 58 37.968 -19 50 37.93 – V C57
2019-04-02 01:14:33 s 1 -59810.640 0 +379868.98 8360.0 – C57
2019-04-02 03:14:33 S 12 58 22.145 -19 48 13.36 – V C57
2019-04-02 03:14:33 s 1 -64016.130 0 +379450.80 3150.0 – C57
2019-04-02 03:44:33 S 12 58 18.730 -19 47 36.85 – V C57
2019-04-02 03:44:33 s 1 -65064.072 0 +379324.64 9660.0 – C57
2019-04-02 04:14:33 S 12 58 15.185 -19 47 05.96 – V C57
2019-04-02 04:14:33 s 1 -66110.596 0 +379189.85 5500.0 – C57
2019-04-02 04:44:33 S 12 58 11.263 -19 46 23.74 – V C57
2019-04-02 04:44:33 s 1 -67155.679 0 +379046.44 790.0 – C57
2019-04-02 04:44:58 C 12 57 19.59 -19 46 40.0 – q X74
2019-04-02 04:59:51 C 12 57 17.63 -19 46 21.1 – q X74
2019-04-02 05:13:46 C 12 57 15.90 -19 46 06.2 – q X74
2019-04-02 05:14:33 S 12 58 07.142 -19 45 52.24 – V C57