IAA RAS IAA Minor Planet Database

2023 RP21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4019692345 ± 7.34e-05
Semi-major axis (a)1.6474938822 AU ± 2.28e-04
Inclination (i)29.31841292° ± 3.30e-03
Long. of Asc. Node (Ω)8.41617928° ± 2.30e-04
Arg. of Perihelion (ω)67.67485618° ± 4.33e-03
Mean Anomaly (M)334.66217634° ± 6.77e-02
Mean Motion (n)0.4660972712°/day ± 9.68e-05
Perihelion dist (q)0.98525203 AU ± 1.82e-04
Aphelion dist (Q)2.30973574 AU ± 3.42e-04
Orbital Period2.11463646 yr ± 4.39e-04
Physical Parameters
H (abs. magnitude)22.65
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.286″
Uncertainty2
Orbit TypeApollo
MOID0.164004 AU
Observations Used48
Oppositions1
Arc Total2023-2023
First Observation Used2023-09-11
Last Observation Used2023-10-09
Observations (48)
Date Type RA Dec Mag Band Observatory
2023-09-11 12:57:41 C 02 00 37.792 -13 43 43.04 – V F51
2023-09-11 13:13:56 C 02 00 37.063 -13 43 18.15 – V F51
2023-09-11 13:30:12 C 02 00 36.355 -13 42 53.39 – V F51
2023-09-11 13:46:27 C 02 00 35.645 -13 42 28.36 – V F51
2023-09-15 13:04:29 C 01 56 04.006 -10 56 03.38 – X F51
2023-09-15 13:17:29 C 01 56 03.137 -10 55 37.50 – X F51
2023-09-15 13:30:28 C 01 56 02.265 -10 55 11.77 – X F51
2023-09-15 13:43:29 C 01 56 01.414 -10 54 46.07 – X F51
2023-09-16 10:22:44 C 01 54 45.490 -10 12 41.10 – V I52
2023-09-16 10:28:25 C 01 54 44.990 -10 12 28.90 – V I52
2023-09-16 10:32:53 C 01 54 44.710 -10 12 19.90 – V I52
2023-09-16 10:37:20 C 01 54 44.360 -10 12 09.50 – V I52
2023-09-17 11:43:44 C 01 53 03.470 -09 17 26.19 – V F51
2023-09-17 12:00:53 C 01 53 02.101 -09 16 47.20 – V F51
2023-09-18 08:41:35 C 01 51 30.265 -08 28 49.91 – V I52
2023-09-18 08:44:24 C 01 51 30.060 -08 28 43.36 – V I52
2023-09-18 08:47:11 C 01 51 29.797 -08 28 36.52 – V I52
2023-09-18 08:49:59 C 01 51 29.560 -08 28 30.04 – V I52
2023-09-19 02:07:40 C 01 50 06.18 -07 46 11.4 – X 033
2023-09-19 02:11:49 C 01 50 05.90 -07 46 01.4 – X 033
2023-09-19 07:12:35 C 01 49 41.37 -07 33 16.0 – u H21
2023-09-19 07:19:28 C 01 49 40.75 -07 32 58.5 – u H21
2023-09-19 10:42:56 C 01 49 22.96 -07 24 15.4 – V 673
2023-09-19 11:27:03 C 01 49 18.83 -07 22 21.1 – V 673
2023-09-20 08:06:10 C 01 47 30.131 -06 27 25.92 – V G96
2023-09-20 08:13:39 C 01 47 29.382 -06 27 05.94 – V G96
2023-09-20 08:21:09 C 01 47 28.644 -06 26 45.42 – V G96
2023-09-20 08:28:40 C 01 47 27.874 -06 26 24.86 – V G96
2023-10-02 21:17:04 C 00 58 47.12 +15 00 44.4 – V 204
2023-10-03 03:57:55 C 00 57 03.56 +15 41 28.5 – u H21
2023-10-03 04:00:42 C 00 57 02.81 +15 41 45.1 – u H21
2023-10-03 04:03:29 C 00 57 02.04 +15 42 02.6 – u H21
2023-10-03 04:06:15 C 00 57 01.31 +15 42 19.3 – u H21
2023-10-03 04:09:35 C 00 57 00.39 +15 42 40.1 – u H21
2023-10-04 02:59:03 C 00 50 50.651 +18 05 06.86 – V I52
2023-10-04 02:59:22 C 00 50 50.536 +18 05 09.06 – V I52
2023-10-04 03:03:20 C 00 50 49.427 +18 05 34.37 – V I52
2023-10-04 03:03:39 C 00 50 49.312 +18 05 36.71 – V I52
2023-10-04 08:17:41 C 00 49 19.350 +18 39 16.95 – X F51
2023-10-04 08:34:06 C 00 49 14.475 +18 41 01.82 – X F51
2023-10-04 08:48:59 C 00 49 09.992 +18 42 38.69 – X F51
2023-10-07 06:50:15 C 00 26 47.329 +26 29 36.61 – X F52
2023-10-07 07:06:58 C 00 26 41.157 +26 31 32.98 – X F52
2023-10-07 07:23:44 C 00 26 34.985 +26 33 29.03 – X F52
2023-10-09 06:47:36 C 00 08 26.848 +31 58 48.86 – V G96
2023-10-09 06:55:46 C 00 08 23.395 +31 59 44.38 – V G96
2023-10-09 07:03:55 C 00 08 19.946 +32 00 39.89 – V G96
2023-10-09 07:12:05 C 00 08 16.523 +32 01 34.10 – V G96