IAA RAS IAA Minor Planet Database

2013 RG21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6713379266 ± 8.82e-07
Semi-major axis (a)1.4073850051 AU ± 1.36e-08
Inclination (i)40.83123258° ± 2.89e-04
Long. of Asc. Node (Ω)343.48998717° ± 3.07e-05
Arg. of Perihelion (ω)146.37172252° ± 8.77e-05
Mean Anomaly (M)44.66071762° ± 1.32e-04
Mean Motion (n)0.5903273393°/day ± 8.56e-09
Perihelion dist (q)0.46255407 AU ± 1.24e-06
Aphelion dist (Q)2.35221594 AU ± 1.24e-06
Orbital Period1.66962669 yr ± 2.42e-08
Physical Parameters
H (abs. magnitude)20.51
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.255″
Uncertainty0
Orbit TypeApollo
MOID0.355248 AU
Observations Used47
Oppositions4
Arc Total2013-2023
First Observation Used2013-09-03
Last Observation Used2023-09-06
Observations (49)
Date Type RA Dec Mag Band Observatory
2013-09-03 10:16:31 C 23 28 23.460 +02 13 19.66 – L F51
2013-09-03 10:37:57 C 23 28 20.124 +02 13 31.34 – L F51
2013-09-03 10:59:26 C 23 28 16.778 +02 13 43.07 – L F51
2013-09-03 11:20:55 C 23 28 13.449 +02 13 54.44 – L F51
2013-09-04 07:48:21 C 23 25 04.526 +02 25 02.22 – t 568
2013-09-04 07:50:10 C 23 25 04.237 +02 25 03.32 – t 568
2013-09-04 07:51:58 C 23 25 03.939 +02 25 04.33 – t 568
2013-09-04 08:34:14 C 23 24 56.44 +02 25 23.4 – u H21
2013-09-04 08:48:59 C 23 24 54.09 +02 25 31.6 – u H21
2013-09-04 08:59:13 C 23 24 52.43 +02 25 36.9 – u H21
2013-09-04 09:08:44 C 23 24 50.90 +02 25 42.5 – u H21
2013-09-05 10:28:08 C 23 20 48.33 +02 39 40.5 – o 291
2013-09-05 10:31:08 C 23 20 47.85 +02 39 42.1 – o 291
2013-09-05 10:34:07 C 23 20 47.35 +02 39 43.9 – o 291
2013-09-09 05:01:59 C 23 05 16.57 +03 30 39.9 – u H21
2013-09-09 05:07:42 C 23 05 15.51 +03 30 43.4 – u H21
2013-09-09 05:14:55 C 23 05 14.18 +03 30 47.6 – u H21
2013-09-09 05:21:16 C 23 05 13.03 +03 30 51.2 – u H21
2013-09-09 05:27:50 C 23 05 11.82 +03 30 54.8 – u H21
2013-09-10 07:11:43 C 23 00 28.90 +03 45 40.5 – q H36
2013-09-10 07:35:52 C 23 00 24.39 +03 45 54.6 – q H36
2013-09-10 08:00:56 C 23 00 19.73 +03 46 09.9 – q H36
2013-09-15 03:29:26 C 22 37 48.06 +04 52 54.6 – u H21
2013-09-15 03:45:01 C 22 37 44.83 +04 53 03.5 – u H21
2013-09-15 03:59:48 C 22 37 41.76 +04 53 12.3 – u H21
2013-09-23 01:12:16 C 21 57 37.06 +06 38 46.9 – u H21
2013-09-23 01:24:23 C 21 57 34.40 +06 38 53.8 – u H21
2013-09-23 01:34:54 C 21 57 32.09 +06 38 59.6 – u H21
2013-10-02 01:16:54 C 21 12 15.17 +08 21 25.4 – u H21
2013-10-02 01:30:27 C 21 12 12.45 +08 21 31.0 – u H21
2013-10-12 02:57:28 C 20 29 00.97 +09 48 43.2 – o 291
2013-10-12 03:02:08 C 20 29 00.23 +09 48 44.6 – o 291
2013-10-12 03:06:49 C 20 28 59.47 +09 48 46.2 – o 291
2018-09-06 23:33:19 C 23 11 02.286 +00 32 01.26 – V J04
2018-09-06 23:40:50 C 23 11 00.995 +00 32 05.01 – V J04
2018-09-06 23:48:21 C 23 10 59.726 +00 32 08.31 – V J04
2018-09-07 23:46:07 C 23 06 58.819 +00 43 06.94 – V J04
2018-09-07 23:52:23 C 23 06 57.746 +00 43 09.71 – V J04
2018-09-07 23:58:39 C 23 06 56.665 +00 43 12.45 – V J04
2018-09-12 05:40:40 C 22 48 50.43 +01 30 57.9 – – G96
2018-09-12 05:48:48 C 22 48 48.92 +01 31 02.1 – – G96
2018-09-12 05:56:55 C 22 48 47.35 +01 31 05.7 – – G96
2018-09-12 06:05:04 C 22 48 45.80 +01 31 09.7 – – G96
2023-08-13 07:13:24 C 00 12 20.17 -04 45 49.6 – u H21
2023-08-13 07:23:24 C 00 12 19.55 -04 45 47.1 – u H21
2023-09-06 06:54:46 C 23 10 06.683 -01 50 42.07 – V G96
2023-09-06 07:02:55 C 23 10 05.351 -01 50 39.08 – V G96
2023-09-06 07:11:05 C 23 10 04.001 -01 50 36.67 – V G96
2023-09-06 07:19:14 C 23 10 02.726 -01 50 33.54 – V G96