2021 RD15

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4285175449 ± 8.25e-07
Semi-major axis (a)1.7219029805 AU ± 2.49e-06
Inclination (i)14.15791994° ± 2.11e-05
Long. of Asc. Node (Ω)9.66656817° ± 1.48e-05
Arg. of Perihelion (ω)82.12854527° ± 1.71e-05
Mean Anomaly (M)267.89797521° ± 1.36e-03
Mean Motion (n)0.4362136581°/day ± 9.47e-07
Perihelion dist (q)0.98403734 AU ± 2.01e-06
Aphelion dist (Q)2.45976862 AU ± 3.83e-06
Orbital Period2.25950349 yr ± 4.91e-06
Physical Parameters
H (abs. magnitude)20.93
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.253″
Uncertainty1
Orbit TypeApollo
MOID0.174421 AU
Observations Used97
Oppositions1
Arc Total2021-2022
First Observation Used2021-09-10
Last Observation Used2022-04-20
Observations (108)
Date Type RA Dec Mag Band Observatory
2021-09-10 11:34:54 C 02 33 26.662 +11 20 52.43 U F52
2021-09-10 11:52:25 C 02 33 27.706 +11 21 14.12 U F52
2021-09-10 12:09:56 C 02 33 28.689 +11 21 35.26 U F52
2021-09-11 14:58:09 C 02 35 10.058 +11 55 11.52 V 568
2021-09-11 14:59:34 C 02 35 10.140 +11 55 13.31 V 568
2021-09-11 15:00:58 C 02 35 10.224 +11 55 15.11 V 568
2021-09-12 22:18:44 C 02 37 11.24 +12 35 52.0 V L01
2021-09-12 22:24:51 C 02 37 11.58 +12 36 00.4 V L01
2021-09-12 22:32:13 C 02 37 12.03 +12 36 09.8 V L01
2021-09-13 01:49:27 C 02 37 24.04 +12 40 32.1 V 033
2021-09-13 01:54:12 C 02 37 24.32 +12 40 38.4 V 033
2021-09-13 01:58:56 C 02 37 24.61 +12 40 44.7 V 033
2021-09-14 02:43:45 C 02 38 59.63 +13 14 22.3 V L01
2021-09-14 02:48:14 C 02 38 59.96 +13 14 28.7 V L01
2021-09-14 02:56:06 C 02 39 00.46 +13 14 39.6 V L01
2021-09-14 06:56:58 C 02 39 16.59 +13 20 15.1 u H21
2021-09-14 07:19:39 C 02 39 17.98 +13 20 46.6 u H21
2021-09-14 07:41:48 C 02 39 19.30 +13 21 17.5 u H21
2021-09-16 09:59:04 C 02 42 34.63 +14 33 43.9 V G96
2021-09-16 10:08:53 C 02 42 35.22 +14 33 58.7 V G96
2021-09-16 10:17:03 C 02 42 35.72 +14 34 11.2 V G96
2021-09-16 10:25:13 C 02 42 36.19 +14 34 23.2 V G96
2021-09-29 10:12:24 C 03 04 29.953 +24 24 25.43 U F52
2021-09-29 10:30:44 C 03 04 31.260 +24 25 09.58 U F52
2021-09-29 10:48:57 C 03 04 32.553 +24 25 53.21 U F52
2021-09-29 11:07:11 C 03 04 33.868 +24 26 37.21 U F52
2021-10-07 23:25:03 C 03 22 29.71 +33 55 55.0 V A17
2021-10-07 23:46:21 C 03 22 31.73 +33 57 05.0 V A17
2021-10-08 00:10:28 C 03 22 34.02 +33 58 23.1 V A17
2021-10-08 10:02:21 C 03 23 33.72 +34 30 40.8 V V06
2021-10-08 10:02:37 C 03 23 33.75 +34 30 41.7 V V06
2021-10-08 10:04:28 C 03 23 33.90 +34 30 47.6 V V06
2021-10-08 10:06:25 C 03 23 34.06 +34 30 54.1 V V06
2021-10-10 22:08:59 C 03 30 09.92 +37 55 55.5 V A17
2021-10-10 22:33:04 C 03 30 12.58 +37 57 22.3 V A17
2021-10-10 22:54:21 C 03 30 14.96 +37 58 39.0 V A17
2021-10-19 23:38:55 C 04 04 22.66 +52 30 55.8 V A17
2021-10-19 23:56:12 C 04 04 26.28 +52 32 12.2 V A17
2021-10-20 00:12:23 C 04 04 29.55 +52 33 23.9 V A17
2021-10-24 19:01:37 C 04 36 35.08 +61 07 07.5 V A17
2021-10-24 19:12:52 C 04 36 39.20 +61 07 58.5 V A17
2021-10-24 19:24:10 C 04 36 43.30 +61 08 50.4 V A17
2021-10-28 09:42:38 C 05 15 25.69 +67 23 18.5 V I52
2021-10-28 09:45:54 C 05 15 27.51 +67 23 31.5 V I52
2021-10-28 09:48:24 C 05 15 29.01 +67 23 42.1 V I52
2021-10-28 10:11:58 C 05 15 41.59 +67 25 19.6 V I52
2021-10-29 12:11:50 C 05 31 28.48 +69 09 34.4 V T05
2021-10-29 12:14:29 C 05 31 29.96 +69 09 46.2 V T05
2021-10-29 12:19:05 C 05 31 32.95 +69 10 03.1 V T05
2021-10-29 13:00:48 C 05 31 58.61 +69 12 46.3 V T05