IAA RAS IAA Minor Planet Database

2021 RF2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2314017418 ± 5.75e-05
Semi-major axis (a)0.8837041727 AU ± 2.11e-05
Inclination (i)4.18489974° ± 1.29e-03
Long. of Asc. Node (Ω)5.08003477° ± 2.34e-05
Arg. of Perihelion (ω)139.98944333° ± 1.17e-03
Mean Anomaly (M)235.37175538° ± 7.08e-02
Mean Motion (n)1.1864567669°/day ± 4.25e-05
Perihelion dist (q)0.67921349 AU ± 5.33e-05
Aphelion dist (Q)1.08819486 AU ± 5.70e-05
Orbital Period0.83073089 yr ± 2.97e-05
Physical Parameters
H (abs. magnitude)25.75
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.347″
Uncertainty2
Orbit TypeAten
MOID0.005026 AU
Observations Used42
Oppositions1
Arc Total2021-2021
First Observation Used2021-09-04
Last Observation Used2021-10-03
Observations (46)
Date Type RA Dec Mag Band Observatory
2021-09-04 14:11:31 C 02 03 34.734 -06 56 19.33 – V F51
2021-09-04 14:29:25 C 02 03 33.444 -06 56 23.51 – U F51
2021-09-04 14:47:13 C 02 03 32.184 -06 56 27.33 – U F51
2021-09-05 10:08:24 C 02 02 40.24 -07 01 30.6 – o 695
2021-09-05 10:15:29 C 02 02 39.70 -07 01 32.3 – o 695
2021-09-05 10:22:35 C 02 02 39.15 -07 01 34.4 – o 695
2021-09-05 12:11:58 C 02 02 35.618 -07 01 44.50 – V F51
2021-09-05 12:33:43 C 02 02 33.936 -07 01 50.45 – V F51
2021-09-07 07:47:40 C 02 00 04.33 -07 14 11.3 – o 691
2021-09-07 08:00:51 C 02 00 03.09 -07 14 15.6 – o 691
2021-09-07 08:14:03 C 02 00 01.90 -07 14 19.5 – o 691
2021-09-08 13:41:10 C 01 57 48.304 -07 23 26.48 – U F51
2021-09-08 13:58:54 C 01 57 46.320 -07 23 32.29 – U F51
2021-09-08 14:16:38 C 01 57 44.328 -07 23 38.02 – U F51
2021-09-15 05:00:40 C 01 37 28.86 -08 32 32.4 – u 807
2021-09-15 05:08:36 C 01 37 27.07 -08 32 37.4 – u 807
2021-09-15 05:16:28 C 01 37 25.24 -08 32 42.0 – u 807
2021-09-24 00:10:46 C 00 13 47.57 -11 39 37.2 – V 204
2021-09-24 00:19:12 C 00 13 40.72 -11 39 46.3 – V 204
2021-09-24 00:27:38 C 00 13 33.88 -11 39 55.1 – V 204
2021-09-24 03:12:07 C 00 11 41.45 -11 36 48.4 – u 807
2021-09-24 03:17:46 C 00 11 36.73 -11 36 54.2 – u 807
2021-09-24 03:23:25 C 00 11 31.97 -11 37 01.3 – u 807
2021-09-24 22:25:15 C 23 55 56.50 -12 04 29.5 – X 595
2021-09-24 22:43:37 C 23 55 39.17 -12 04 49.0 – X 595
2021-09-24 22:53:32 C 23 55 29.78 -12 05 00.2 – X 595
2021-09-25 11:26:15 C 23 44 04.02 -12 10 10.2 – V R65
2021-09-25 11:30:15 C 23 43 59.98 -12 10 14.0 – V R65
2021-09-25 11:34:16 C 23 43 55.85 -12 10 19.0 – V R65
2021-09-26 02:05:28 C 23 29 27.11 -12 25 15.2 – u 807
2021-09-26 02:07:49 C 23 29 24.46 -12 25 16.9 – u 807
2021-09-26 02:10:08 C 23 29 21.80 -12 25 19.3 – u 807
2021-09-26 09:37:26 C 23 21 05.22 -12 37 04.4 – V T08
2021-09-26 10:25:51 C 23 20 05.92 -12 37 40.0 – V T08
2021-09-26 10:30:29 C 23 20 00.36 -12 37 44.2 – V T08
2021-09-26 10:39:09 C 23 19 49.74 -12 37 49.9 – V T08
2021-09-27 01:30:19 C 23 02 42.84 -12 42 21.6 – u 807
2021-09-27 01:36:08 C 23 02 35.18 -12 42 24.9 – u 807
2021-09-27 01:41:52 C 23 02 27.54 -12 42 29.0 – u 807
2021-09-27 09:44:40 C 22 52 02.40 -12 52 01.2 – V T08
2021-09-27 09:49:58 C 22 51 55.10 -12 52 03.7 – V T08
2021-09-27 10:03:55 C 22 51 35.40 -12 52 07.4 – V T08
2021-09-27 10:23:59 C 22 51 07.22 -12 52 12.3 – V T08
2021-10-03 03:27:01 C 19 25 33.99 -08 54 30.5 – o 691
2021-10-03 03:40:42 C 19 25 14.60 -08 53 44.6 – o 691
2021-10-03 03:54:22 C 19 24 55.23 -08 52 58.1 – o 691