2021 ER2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1963658000
Semi-major axis (a)1.2853211000 AU
Inclination (i)22.52748000°
Long. of Asc. Node (Ω)349.59965000°
Arg. of Perihelion (ω)214.41065000°
Mean Anomaly (M)58.97863000°
Mean Motion (n)0.6763735900°/day
Perihelion dist (q)1.03292800 AU
Aphelion dist (Q)1.53771420 AU
Orbital Period1.45719430 yr
Physical Parameters
H (abs. magnitude)25.44
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.710″
Uncertainty7
Orbit TypeAmor
MOID0.067577 AU
Observations Used36
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-03-16
Observations (39)
Date Type RA Dec Mag Band Observatory
2021-03-07 09:50:15 C 12 45 41.76 +02 31 02.9 V G96
2021-03-07 09:57:40 C 12 45 39.43 +02 29 41.7 V G96
2021-03-07 10:05:04 C 12 45 37.13 +02 28 21.6 V G96
2021-03-07 10:12:29 C 12 45 34.78 +02 26 59.2 V G96
2021-03-07 12:09:32 C 12 44 58.38 +02 05 29.3 V G96
2021-03-07 12:13:34 C 12 44 57.12 +02 04 44.0 V G96
2021-03-07 12:15:19 C 12 44 56.55 +02 04 24.8 V G96
2021-03-08 01:16:37 C 12 41 08.96 -00 23 05.5 V L01
2021-03-08 01:19:36 C 12 41 08.00 -00 23 40.3 V L01
2021-03-08 01:22:36 C 12 41 07.04 -00 24 14.2 V L01
2021-03-08 01:26:11 C 12 41 05.82 -00 24 55.2 V L01
2021-03-08 08:08:57 C 12 39 02.06 -01 43 09.3 u H21
2021-03-08 08:21:06 C 12 38 57.96 -01 45 32.6 u H21
2021-03-08 13:09:50 C 12 37 30.21 -02 40 10.8 V 474
2021-03-08 13:12:30 C 12 37 29.29 -02 40 43.2 V 474
2021-03-08 13:15:10 C 12 37 28.36 -02 41 15.1 V 474
2021-03-08 13:17:51 C 12 37 27.46 -02 41 47.0 V 474
2021-03-08 22:28:46 C 12 34 31.59 -04 35 47.3 V L01
2021-03-08 22:32:16 C 12 34 30.38 -04 36 30.5 V L01
2021-03-08 22:35:43 C 12 34 29.20 -04 37 12.8 V L01
2021-03-10 08:24:38 C 12 22 40.73 -11 48 03.1 V I52
2021-03-10 08:26:46 C 12 22 39.86 -11 48 30.3 V I52
2021-03-10 08:28:54 C 12 22 39.00 -11 48 59.0 V I52
2021-03-11 13:32:05 C 12 11 22.51 -18 14 05.0 V 474
2021-03-11 13:34:15 C 12 11 21.57 -18 14 34.5 V 474
2021-03-11 13:36:25 C 12 11 20.66 -18 15 03.6 V 474
2021-03-11 13:38:36 C 12 11 19.68 -18 15 32.2 V 474
2021-03-12 12:45:10 C 12 01 33.94 -23 26 11.1 V 474
2021-03-12 12:47:50 C 12 01 32.69 -23 26 46.6 V 474
2021-03-12 12:50:30 C 12 01 31.44 -23 27 22.4 V 474
2021-03-12 12:53:11 C 12 01 30.22 -23 27 58.4 V 474
2021-03-13 13:31:43 C 11 50 13.49 -28 52 47.1 V 474
2021-03-13 13:35:12 C 11 50 11.76 -28 53 32.2 V 474
2021-03-13 13:38:51 C 11 50 09.89 -28 54 19.0 V 474
2021-03-13 13:40:37 C 11 50 08.98 -28 54 42.0 V 474
2021-03-16 11:08:24 C 11 13 53.54 -42 31 32.5 V 474
2021-03-16 11:11:01 C 11 13 51.89 -42 32 00.8 V 474
2021-03-16 11:13:38 C 11 13 50.54 -42 32 28.6 V 474
2021-03-16 11:16:15 C 11 13 49.03 -42 32 54.4 V 474