IAA RAS IAA Minor Planet Database

2021 RA15

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5626684511 ± 1.53e-07
Semi-major axis (a)2.5200981029 AU ± 9.03e-08
Inclination (i)18.86549981° ± 1.68e-05
Long. of Asc. Node (Ω)170.64943957° ± 2.42e-05
Arg. of Perihelion (ω)295.51174185° ± 1.25e-04
Mean Anomaly (M)308.88512517° ± 2.20e-04
Mean Motion (n)0.2463690251°/day ± 1.32e-08
Perihelion dist (q)1.10211841 AU ± 3.87e-07
Aphelion dist (Q)3.93807780 AU ± 4.10e-07
Orbital Period4.00060958 yr ± 2.15e-07
Physical Parameters
H (abs. magnitude)18.53
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.211″
Uncertainty0
Orbit TypeAmor
MOID0.257749 AU
Observations Used44
Oppositions6
Arc Total2017-2025
First Observation Used2017-07-29
Last Observation Used2025-09-25
Observations (44)
Date Type RA Dec Mag Band Observatory
2017-07-29 12:37:26 C 22 29 14.746 +02 05 31.83 – V F51
2017-07-29 12:57:20 C 22 29 14.236 +02 05 27.61 – V F51
2017-07-29 13:16:27 C 22 29 13.718 +02 05 24.05 – V F51
2017-09-11 08:44:19 C 21 49 29.635 -04 17 27.92 – V F51
2017-09-11 09:03:57 C 21 49 28.875 -04 17 36.67 – V F51
2017-10-11 06:38:56 C 21 30 22.133 -09 24 39.70 – V F51
2017-10-11 06:56:42 C 21 30 21.910 -09 24 46.21 – V F51
2017-10-11 07:14:28 C 21 30 21.696 -09 24 52.21 – V F51
2017-10-11 07:32:12 C 21 30 21.507 -09 24 58.18 – V F51
2017-11-07 05:04:57 C 21 34 09.155 -12 07 09.58 – V F51
2017-11-07 05:21:54 C 21 34 09.498 -12 07 12.11 – V F51
2017-11-07 05:55:46 C 21 34 10.210 -12 07 17.16 – V F51
2019-06-09 10:44:02 C 16 35 56.109 +04 34 39.02 – V F51
2019-06-09 11:02:15 C 16 35 55.361 +04 34 39.51 – V F51
2019-06-09 11:20:32 C 16 35 54.616 +04 34 39.14 – V F51
2019-06-10 11:35:48 C 16 34 56.891 +04 34 43.08 – V F51
2019-06-10 11:55:28 C 16 34 56.102 +04 34 43.16 – V F51
2019-06-10 12:15:03 C 16 34 55.328 +04 34 42.83 – V F51
2019-06-10 12:34:45 C 16 34 54.542 +04 34 42.91 – V F51
2021-09-08 08:18:02 C 21 50 12.134 -04 12 06.40 – U F52
2021-09-08 08:34:47 C 21 50 11.430 -04 12 13.96 – U F52
2021-09-08 08:51:32 C 21 50 10.741 -04 12 21.87 – U F52
2021-09-08 09:08:17 C 21 50 10.034 -04 12 29.36 – U F52
2021-09-09 03:33:41 C 21 49 25.96 -04 21 00.3 – u H21
2021-09-09 03:42:09 C 21 49 25.60 -04 21 03.8 – u H21
2021-09-09 03:53:29 C 21 49 25.15 -04 21 09.4 – u H21
2021-09-09 03:59:13 C 21 49 24.92 -04 21 12.2 – u H21
2021-09-11 07:33:35 C 21 47 23.33 -04 44 59.0 – o 291
2021-09-11 07:46:04 C 21 47 22.79 -04 45 05.0 – o 291
2021-09-12 08:01:18 C 21 46 26.90 -04 56 16.7 – o 291
2021-09-12 08:15:49 C 21 46 26.33 -04 56 23.4 – o 291
2021-09-12 08:30:20 C 21 46 25.78 -04 56 29.9 – o 291
2021-09-14 06:20:08 C 21 44 42.72 -05 17 37.4 – o 291
2021-09-14 06:40:56 C 21 44 41.88 -05 17 46.9 – o 291
2021-09-14 07:01:43 C 21 44 41.11 -05 17 56.5 – o 291
2021-09-26 01:17:33 C 21 35 33.52 -07 23 58.8 – V 807
2021-09-26 01:33:29 C 21 35 33.07 -07 24 05.7 – V 807
2021-09-26 01:49:27 C 21 35 32.61 -07 24 12.0 – V 807
2021-10-03 01:43:25 C 21 31 36.39 -08 33 02.4 – V 807
2021-10-03 01:59:21 C 21 31 36.07 -08 33 09.0 – V 807
2021-10-03 02:15:19 C 21 31 35.75 -08 33 15.9 – V 807
2025-09-25 01:33:54 C 21 34 40.070 -07 14 51.40 – V 807
2025-09-25 01:55:06 C 21 34 39.480 -07 15 00.40 – V 807
2025-09-25 02:16:18 C 21 34 38.860 -07 15 09.40 – V 807