2021 SP3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4599208312 ± 4.32e-08
Semi-major axis (a)1.6248235842 AU ± 1.63e-08
Inclination (i)5.39625119° ± 6.27e-06
Long. of Asc. Node (Ω)209.27827713° ± 1.26e-05
Arg. of Perihelion (ω)243.55563208° ± 1.95e-05
Mean Anomaly (M)324.13110282° ± 9.12e-06
Mean Motion (n)0.4758860288°/day ± 7.15e-09
Perihelion dist (q)0.87753337 AU ± 7.07e-08
Aphelion dist (Q)2.37211380 AU ± 7.41e-08
Orbital Period2.07113936 yr ± 3.11e-08
Physical Parameters
H (abs. magnitude)23.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.303″
Uncertainty0
Orbit TypeApollo
MOID0.019401 AU
Observations Used73
Oppositions2
Arc Total2021-2024
First Observation Used2021-09-27
Last Observation Used2024-03-05
Observations (82)
Date Type RA Dec Mag Band Observatory
2021-09-27 08:47:16 C 00 27 20.783 +14 36 16.13 U F51
2021-09-27 09:03:09 C 00 27 20.204 +14 36 11.45 U F51
2021-09-27 09:19:03 C 00 27 19.612 +14 36 06.74 U F51
2021-10-02 07:20:39 C 00 23 30.441 +13 46 52.04 U F52
2021-10-02 07:37:04 C 00 23 29.682 +13 46 43.75 U F52
2021-10-02 07:53:31 C 00 23 28.910 +13 46 35.49 U F52
2021-10-02 08:09:53 C 00 23 28.140 +13 46 27.17 U F52
2021-10-02 12:16:05 C 00 23 16.217 +13 44 15.50 V F51
2021-10-02 12:17:02 C 00 23 16.175 +13 44 15.03 V F51
2021-10-03 08:12:10 C 00 22 32.421 +13 33 08.38 U F51
2021-10-03 08:26:25 C 00 22 31.705 +13 33 00.37 U F51
2021-10-03 08:40:38 C 00 22 30.988 +13 32 52.30 U F51
2021-10-03 08:54:43 C 00 22 30.276 +13 32 44.32 U F51
2021-10-07 04:45:25 C 00 18 28.97 +12 29 10.7 V G96
2021-10-07 04:52:59 C 00 18 28.54 +12 29 04.7 V G96
2021-10-07 05:00:31 C 00 18 28.11 +12 28 58.0 V G96
2021-10-07 05:08:02 C 00 18 27.65 +12 28 52.7 V G96
2021-10-13 07:36:30 C 00 10 19.342 +09 55 28.93 U F52
2021-10-13 07:51:13 C 00 10 18.182 +09 55 09.54 U F52
2021-10-13 08:05:50 C 00 10 17.028 +09 54 50.38 U F52
2021-10-13 08:20:37 C 00 10 15.857 +09 54 30.82 U F52
2021-10-16 01:11:39 C 00 05 52.02 +08 18 52.3 u 807
2021-10-16 01:15:36 C 00 05 51.68 +08 18 46.9 u 807
2021-10-16 01:19:35 C 00 05 51.36 +08 18 40.3 u 807
2021-10-21 08:44:42 C 23 55 02.431 +03 48 58.85 U F51
2021-10-21 08:59:16 C 23 55 00.670 +03 48 20.23 U F51
2021-10-21 09:13:50 C 23 54 58.921 +03 47 41.67 U F51
2021-10-23 19:29:39 C 23 48 42.31 +00 52 05.9 V 595
2021-10-23 19:51:16 C 23 48 39.30 +00 50 53.0 V 595
2021-10-23 20:12:52 C 23 48 36.37 +00 49 39.7 V 595
2021-10-24 00:45:35 C 23 48 05.20 +00 36 00.9 u 807
2021-10-24 00:50:01 C 23 48 04.55 +00 35 46.0 u 807
2021-10-24 00:54:40 C 23 48 03.91 +00 35 29.9 u 807
2021-10-24 19:53:43 C 23 45 40.45 -00 35 03.9 V A17
2021-10-24 20:10:39 C 23 45 37.93 -00 36 07.5 V A17
2021-10-24 20:27:35 C 23 45 35.44 -00 37 11.4 V A17
2021-10-26 04:29:12 C 23 41 10.08 -02 46 45.7 V 703
2021-10-26 04:37:24 C 23 41 08.75 -02 47 21.2 V 703
2021-10-26 04:53:47 C 23 41 05.91 -02 48 33.1 V 703
2021-10-27 01:09:35 C 23 38 01.00 -04 19 31.4 u 807
2021-10-27 01:14:07 C 23 38 00.11 -04 19 53.9 u 807
2021-10-27 01:18:39 C 23 37 59.29 -04 20 15.1 u 807
2021-10-27 06:15:06 C 23 37 12.687 -04 45 55.15 U F51
2021-10-27 06:32:20 C 23 37 09.351 -04 47 20.29 U F51
2021-10-27 07:06:48 C 23 37 02.633 -04 50 10.82 U F51
2021-10-28 04:02:59 C 23 33 25.78 -06 39 33.6 V 703
2021-10-28 04:10:34 C 23 33 24.19 -06 40 15.6 V 703
2021-10-28 04:18:08 C 23 33 22.56 -06 40 57.2 V 703
2021-10-28 04:25:42 C 23 33 20.93 -06 41 38.8 V 703
2021-10-29 04:16:00 C 23 28 45.89 -09 00 38.4 V 703