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
2019-04-03 22:14:33 s 1 -146489.85 5 +337277.79 1730.0 C57
2019-04-04 02:14:33 S 12 52 28.404 -18 52 29.21 V C57
2019-04-04 02:14:33 s 1 -153065.35 0 +330118.21 510.0 C57
2019-04-04 02:44:33 S 12 52 24.552 -18 51 56.95 V C57
2019-04-04 02:44:33 s 1 -153869.83 9 +329183.86 7360.0 C57
2019-04-04 04:14:33 S 12 52 13.886 -18 50 12.84 V C57
2019-04-04 04:14:33 s 1 -156259.17 5 +326328.07 5350.0 C57
2019-04-04 05:14:33 S 12 52 06.360 -18 49 01.09 V C57
2019-04-04 05:14:33 s 1 -157831.58 6 +324380.17 3720.0 C57
2019-04-04 05:44:33 S 12 52 02.640 -18 48 28.69 V C57
2019-04-04 05:44:33 s 1 -158611.53 3 +323392.99 6350.0 C57
2019-04-04 06:14:33 S 12 51 58.560 -18 47 46.50 V C57
2019-04-04 06:14:33 s 1 -159387.25 8 +322396.97 7740.0 C57
2019-04-04 06:44:33 S 12 51 55.109 -18 47 20.04 V C57
2019-04-04 06:44:33 s 1 -160158.72 2 +321392.09 7730.0 C57
2019-04-04 11:00:04 C 12 50 39.48 -18 42 47.0 V T05
2019-04-04 11:03:22 C 12 50 39.10 -18 42 43.8 V T05
2019-04-04 11:07:19 C 12 50 38.63 -18 42 38.6 V T05
2019-04-04 11:16:32 C 12 50 37.47 -18 42 27.9 V T05
2019-04-04 11:44:33 S 12 51 18.106 -18 41 22.20 V C57
2019-04-04 11:44:33 s 1 -167630.14 4 +310854.58 4800.0 C57
2019-04-05 12:44:33 S 12 48 15.403 -18 12 26.78 V C57
2019-04-05 12:44:33 s 1 -196904.65 3 +244462.93 9120.0 C57
2019-04-05 13:14:33 S 12 48 11.916 -18 11 53.95 V C57
2019-04-05 13:14:33 s 1 -197323.22 0 +242894.72 7640.0 C57
2019-04-05 14:14:33 S 12 48 04.524 -18 10 36.59 V C57
2019-04-05 14:14:33 s 1 -198137.05 8 +239729.15 7920.0 C57
2019-04-05 15:14:33 S 12 47 56.875 -18 09 30.06 V C57
2019-04-05 15:14:33 s 1 -198919.28 5 +236524.62 3620.0 C57
2019-04-05 15:44:33 S 12 47 53.918 -18 09 03.42 V C57
2019-04-05 15:44:33 s 1 -199298.33 3 +234907.70 1400.0 C57
2019-04-05 16:14:33 S 12 47 50.078 -18 08 22.92 V C57
2019-04-05 16:14:33 s 1 -199669.22 3 +233280.99 1990.0 C57
2019-04-05 16:44:33 S 12 47 46.402 -18 07 50.77 V C57
2019-04-05 16:44:33 s 1 -200031.86 7 +231644.47 5050.0 C57
2019-04-05 17:14:33 S 12 47 42.694 -18 07 14.52 V C57
2019-04-05 17:14:33 s 1 -200386.17 7 +229998.13 190.0 C57
2019-04-05 17:44:33 S 12 47 38.690 -18 06 37.15 V C57
2019-04-05 17:44:33 s 1 -200732.06 1 +228341.94 7060.0 C57
2019-04-05 18:14:33 S 12 47 35.606 -18 06 08.35 V C57
2019-04-05 18:14:33 s 1 -201069.42 8 +226675.88 5290.0 C57
2019-04-05 18:44:33 S 12 47 31.517 -18 05 26.88 V C57
2019-04-05 18:44:33 s 1 -201398.18 5 +224999.95 4480.0 C57
2019-04-05 19:44:33 S 12 47 24.780 -18 04 25.93 V C57
2019-04-05 19:44:33 s 1 -202029.49 0 +221618.39 4230.0 C57
2019-04-05 23:44:33 S 12 46 55.318 -17 59 50.82 V C57
2019-04-05 23:44:33 s 1 -204190.66 6 +207693.53 1630.0 C57
2019-04-06 00:14:33 S 12 46 51.778 -17 59 08.92 V C57
2019-04-06 00:14:33 s 1 -204418.13 9 +205907.81 4560.0 C57
2019-04-06 01:14:33 S 12 46 44.189 -17 57 59.44 V C57