IAA RAS IAA Minor Planet Database

2021 JR2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3266760000
Semi-major axis (a)1.4111334000 AU
Inclination (i)15.89894000°
Long. of Asc. Node (Ω)55.85025000°
Arg. of Perihelion (ω)226.33387000°
Mean Anomaly (M)227.42656000°
Mean Motion (n)0.5879656400°/day
Perihelion dist (q)0.95015000 AU
Aphelion dist (Q)1.87211680 AU
Orbital Period1.67630140 yr
Physical Parameters
H (abs. magnitude)24.46
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.560″
Uncertainty8
Orbit TypeApollo
MOID0.013344 AU
Observations Used41
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-05-14
Observations (43)
Date Type RA Dec Mag Band Observatory
2021-05-07 09:53:24 C 17 33 50.95 +10 22 13.7 – V G96
2021-05-07 10:00:47 C 17 33 53.72 +10 21 36.3 – V G96
2021-05-07 10:15:30 C 17 33 59.30 +10 20 20.8 – V G96
2021-05-07 11:13:13 C 17 34 21.23 +10 15 24.9 – V I52
2021-05-07 11:14:38 C 17 34 21.82 +10 15 16.8 – V I52
2021-05-07 11:16:03 C 17 34 22.36 +10 15 09.6 – V I52
2021-05-07 23:17:24 C 17 39 39.41 +09 09 58.6 – Z B37
2021-05-07 23:35:07 C 17 39 46.86 +09 08 19.8 – Z B37
2021-05-07 23:48:34 C 17 39 51.27 +09 06 58.1 – V 595
2021-05-07 23:52:51 C 17 39 54.37 +09 06 39.7 – Z B37
2021-05-07 23:54:22 C 17 39 53.69 +09 06 25.1 – V 595
2021-05-07 23:56:30 C 17 39 54.60 +09 06 13.2 – V L01
2021-05-07 23:58:33 C 17 39 55.51 +09 06 01.8 – V L01
2021-05-08 00:00:58 C 17 39 56.48 +09 05 48.1 – V L01
2021-05-08 00:03:35 C 17 39 57.65 +09 05 33.4 – V L01
2021-05-08 08:06:12 C 17 43 39.94 +08 18 47.8 – V H01
2021-05-08 08:11:36 C 17 43 42.32 +08 18 15.2 – V H01
2021-05-08 08:26:46 C 17 43 49.00 +08 16 43.9 – V H01
2021-05-08 08:36:08 C 17 43 53.12 +08 15 47.2 – V H01
2021-05-08 08:55:22 C 17 44 02.07 +08 13 53.3 – V I52
2021-05-08 08:56:47 C 17 44 02.74 +08 13 45.0 – V I52
2021-05-08 08:58:13 C 17 44 03.36 +08 13 36.8 – V I52
2021-05-08 08:59:38 C 17 44 03.99 +08 13 28.1 – V I52
2021-05-09 00:58:37 C 17 52 01.67 +06 29 12.5 – V K88
2021-05-09 01:02:09 C 17 52 03.48 +06 28 47.7 – V K88
2021-05-09 01:05:43 C 17 52 05.29 +06 28 23.4 – V K88
2021-05-09 02:38:56 C 17 52 52.95 +06 17 41.7 – V 104
2021-05-09 02:43:14 C 17 52 55.09 +06 17 11.9 – V 104
2021-05-09 02:47:31 C 17 52 57.24 +06 16 42.2 – V 104
2021-05-09 08:21:07 C 17 56 03.80 +05 37 15.6 – V I52
2021-05-09 08:22:28 C 17 56 04.53 +05 37 05.4 – V I52
2021-05-09 08:27:21 C 17 56 07.05 +05 36 29.6 – V I52
2021-05-09 08:32:02 C 17 56 09.49 +05 35 55.1 – V I52
2021-05-10 06:14:52 C 18 09 13.20 +02 42 01.2 – V I52
2021-05-10 06:17:02 C 18 09 14.55 +02 41 42.1 – V I52
2021-05-10 06:19:11 C 18 09 15.90 +02 41 23.3 – V I52
2021-05-10 06:21:21 C 18 09 17.21 +02 41 03.9 – V I52
2021-05-14 10:11:10 C 19 44 04.05 -18 03 08.7 – V G96
2021-05-14 10:20:13 C 19 44 15.65 -18 05 31.9 – V G96
2021-05-14 10:31:26 C 19 44 29.99 -18 08 28.2 – V G96
2021-05-14 11:06:33 C 19 45 14.76 -18 17 38.0 – V I52
2021-05-14 11:07:07 C 19 45 15.45 -18 17 46.7 – V I52
2021-05-14 11:07:41 C 19 45 16.20 -18 17 55.9 – V I52