IAA RAS IAA Minor Planet Database

2021 ES1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5615249000
Semi-major axis (a)2.2391616000 AU
Inclination (i)1.68695000°
Long. of Asc. Node (Ω)352.80646000°
Arg. of Perihelion (ω)153.89709000°
Mean Anomaly (M)150.87337000°
Mean Motion (n)0.2941547900°/day
Perihelion dist (q)0.98181660 AU
Aphelion dist (Q)3.49650660 AU
Orbital Period3.35064300 yr
Physical Parameters
H (abs. magnitude)27.94
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.930″
Uncertainty6
Orbit TypeApollo
MOID0.006263 AU
Observations Used34
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-03-09
Observations (36)
Date Type RA Dec Mag Band Observatory
2021-03-07 01:12:31 C 12 01 37.58 +37 49 33.5 – o K88
2021-03-07 01:12:58 C 12 01 40.02 +37 48 54.3 – o K88
2021-03-07 01:13:26 C 12 01 42.53 +37 48 14.3 – o K88
2021-03-07 08:21:08 C 12 35 54.34 +28 08 53.9 – V 703
2021-03-07 08:28:38 C 12 36 20.01 +27 59 28.6 – V 703
2021-03-07 08:36:08 C 12 36 45.72 +27 49 55.6 – V 703
2021-03-07 08:43:38 C 12 37 11.01 +27 40 33.3 – V 703
2021-03-07 09:45:46 C 12 40 34.78 +26 23 13.7 – V I52
2021-03-07 09:47:10 C 12 40 39.28 +26 21 30.3 – V I52
2021-03-07 09:48:33 C 12 40 43.74 +26 19 47.1 – V I52
2021-03-07 09:49:57 C 12 40 48.14 +26 18 04.8 – V I52
2021-03-07 22:44:23 C 13 15 13.58 +13 13 07.0 – V A17
2021-03-07 22:49:16 C 13 15 22.09 +13 09 12.9 – V A17
2021-03-07 22:53:17 C 13 15 29.12 +13 06 01.8 – V A17
2021-03-07 22:56:53 C 13 15 35.33 +13 03 11.7 – V A17
2021-03-07 23:41:04 C 13 16 51.72 +12 29 38.1 – V 203
2021-03-07 23:49:13 C 13 17 05.08 +12 23 21.0 – V 203
2021-03-07 23:55:44 C 13 17 10.32 +12 17 35.3 – V 246
2021-03-07 23:56:05 C 13 17 10.88 +12 17 20.0 – V 246
2021-03-07 23:56:30 C 13 17 11.55 +12 17 01.0 – V 246
2021-03-07 23:56:44 C 13 17 11.94 +12 16 49.2 – V 246
2021-03-07 23:56:55 C 13 17 12.25 +12 16 41.2 – V 246
2021-03-07 23:57:25 C 13 17 13.06 +12 16 17.9 – V 246
2021-03-07 23:57:51 C 13 17 13.75 +12 15 57.6 – V 246
2021-03-08 00:02:20 C 13 17 20.96 +12 12 31.9 – V 246
2021-03-08 00:02:42 C 13 17 21.57 +12 12 15.4 – V 246
2021-03-08 00:03:07 C 13 17 22.21 +12 11 57.2 – V 246
2021-03-08 00:03:37 C 13 17 23.04 +12 11 34.0 – V 246
2021-03-08 00:10:33 C 13 17 39.54 +12 07 01.0 – V 203
2021-03-08 03:18:59 C 13 22 20.72 +09 50 03.9 – V 204
2021-03-08 03:26:27 C 13 22 31.27 +09 44 54.2 – V 204
2021-03-08 03:33:56 C 13 22 41.76 +09 39 45.8 – V 204
2021-03-09 02:48:23 C 13 48 11.92 -01 30 42.9 – V J95
2021-03-09 02:52:00 C 13 48 14.13 -01 31 54.9 – V J95
2021-03-09 02:55:32 C 13 48 16.31 -01 33 04.5 – V J95
2021-03-09 02:59:07 C 13 48 18.48 -01 34 15.5 – V J95