IAA RAS IAA Minor Planet Database

2021 ER

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1545366000
Semi-major axis (a)0.8853142000 AU
Inclination (i)5.51994000°
Long. of Asc. Node (Ω)162.01786000°
Arg. of Perihelion (ω)214.15318000°
Mean Anomaly (M)15.60384000°
Mean Motion (n)1.1831993300°/day
Perihelion dist (q)0.74850080 AU
Aphelion dist (Q)1.02212760 AU
Orbital Period0.83300220 yr
Physical Parameters
H (abs. magnitude)27.01
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.980″
Uncertainty0
Orbit TypeAten
MOID0.000280 AU
Observations Used87
Oppositions2
Arc Total2021-2026
First Observation Used—
Last Observation Used2026-03-09
Observations (94)
Date Type RA Dec Mag Band Observatory
2021-03-05 09:16:34 C 14 27 21.43 +38 23 44.5 – U I41
2021-03-05 09:17:04 C 14 27 19.93 +38 24 03.7 – U I41
2021-03-05 11:10:50 C 14 21 37.91 +39 38 56.3 – U I41
2021-03-05 11:11:20 C 14 21 36.38 +39 39 15.2 – U I41
2021-03-05 11:23:02 C 14 20 49.27 +39 46 48.5 – V G96
2021-03-05 11:30:28 C 14 20 26.70 +39 51 22.2 – V G96
2021-03-05 11:37:55 C 14 20 04.15 +39 55 54.7 – V G96
2021-03-05 12:27:35 C 14 17 35.86 +40 25 11.7 – V I52
2021-03-05 12:27:46 C 14 17 35.29 +40 25 18.1 – V I52
2021-03-05 12:27:57 C 14 17 34.74 +40 25 24.6 – V I52
2021-03-05 12:28:08 C 14 17 34.18 +40 25 31.0 – V I52
2021-03-05 12:50:15 C 14 16 28.93 +40 38 08.4 – V G96
2021-03-05 12:50:31 C 14 16 28.21 +40 38 16.9 – V G96
2021-03-05 12:50:47 C 14 16 27.43 +40 38 25.9 – V G96
2021-03-05 12:51:02 C 14 16 26.69 +40 38 34.4 – V G96
2021-03-05 19:18:38 C 14 02 45.76 +43 52 23.4 – V K61
2021-03-05 19:19:09 C 14 02 44.52 +43 52 40.5 – V K61
2021-03-05 19:19:34 C 14 02 43.53 +43 52 54.1 – V K61
2021-03-05 19:20:18 C 14 02 41.78 +43 53 18.4 – V K61
2021-03-05 19:21:08 C 14 02 39.82 +43 53 45.1 – V K61
2021-03-05 19:21:20 C 14 02 39.32 +43 53 52.0 – V K61
2021-03-05 19:59:08 C 14 01 07.65 +44 14 05.9 – V G34
2021-03-05 20:01:44 C 14 01 01.16 +44 15 29.8 – V G34
2021-03-05 20:04:10 C 14 00 55.39 +44 16 47.6 – V G34
2021-03-05 20:42:05 C 13 59 22.69 +44 36 54.2 – V G34
2021-03-05 20:47:18 C 13 59 09.83 +44 39 37.7 – V G34
2021-03-05 20:49:54 C 13 59 03.31 +44 41 00.0 – V G34
2021-03-05 20:52:30 C 13 58 56.82 +44 42 20.2 – V G34
2021-03-05 21:34:52 C 13 57 26.90 +45 03 16.3 – V 958
2021-03-05 21:47:02 C 13 56 56.86 +45 09 34.5 – V 958
2021-03-05 21:58:56 C 13 56 25.61 +45 15 39.2 – V I93
2021-03-05 21:59:13 C 13 56 26.58 +45 15 51.3 – V 958
2021-03-05 21:59:47 C 13 56 10.20 +45 16 35.9 – V K74
2021-03-05 22:01:26 C 13 56 19.31 +45 16 56.0 – V I93
2021-03-05 22:01:34 C 13 56 05.58 +45 17 30.4 – V K74
2021-03-05 22:03:54 C 13 55 59.66 +45 18 40.5 – V K74
2021-03-05 22:04:00 C 13 56 12.89 +45 18 14.4 – V I93
2021-03-05 22:07:03 C 13 55 51.50 +45 20 16.0 – V K74
2021-03-05 22:28:03 C 13 55 01.35 +45 28 36.9 – V Z80
2021-03-05 22:34:38 C 13 54 44.59 +45 31 53.5 – V Z80
2021-03-05 22:41:24 C 13 54 27.47 +45 35 13.9 – V Z80
2021-03-06 08:03:50 C 13 32 18.83 +49 28 50.4 – V 703
2021-03-06 08:11:32 C 13 31 58.21 +49 31 42.6 – V 703
2021-03-06 08:19:14 C 13 31 37.56 +49 34 32.4 – V 703
2021-03-06 08:26:56 C 13 31 16.98 +49 37 19.1 – V 703
2021-03-06 19:50:38 C 13 07 27.03 +52 41 56.5 – q 215
2021-03-06 19:53:55 C 13 07 20.22 +52 42 55.1 – q 215
2021-03-06 19:57:13 C 13 07 13.26 +52 43 49.4 – q 215
2021-03-06 20:00:30 C 13 07 06.36 +52 44 45.7 – q 215
2021-03-06 21:02:37 C 13 04 48.74 +53 01 41.4 – V 033