2025 SA21

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2321986797 ± 1.04e-04
Semi-major axis (a)1.1186978774 AU ± 1.01e-04
Inclination (i)8.78708393° ± 4.08e-03
Long. of Asc. Node (Ω)9.12057284° ± 3.06e-04
Arg. of Perihelion (ω)85.82569273° ± 3.68e-03
Mean Anomaly (M)341.87152193° ± 8.77e-03
Mean Motion (n)0.8329962668°/day ± 1.12e-04
Perihelion dist (q)0.85893771 AU ± 1.39e-04
Aphelion dist (Q)1.37845805 AU ± 1.70e-04
Orbital Period1.18323013 yr ± 1.59e-04
Physical Parameters
H (abs. magnitude)26.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.184″
Uncertainty1
Orbit TypeApollo
MOID0.022407 AU
Observations Used32
Oppositions1
Arc Total2025-2025
First Observation Used2025-09-29
Last Observation Used2025-10-06
Observations (32)
Date Type RA Dec Mag Band Observatory
2025-09-29 10:21:33 C 01 26 27.041 +00 56 38.39 X F51
2025-09-29 10:40:13 C 01 26 24.641 +00 58 28.76 X F51
2025-09-29 10:58:55 C 01 26 22.220 +01 00 19.65 X F51
2025-09-29 12:40:50 C 01 26 08.993 +01 10 26.17 V F51
2025-09-29 12:42:00 C 01 26 08.845 +01 10 33.10 V F51
2025-09-30 01:09:04 C 01 25 05.246 +02 27 07.40 X 033
2025-09-30 01:11:40 C 01 25 04.926 +02 27 24.00 X 033
2025-09-30 01:12:57 C 01 25 04.757 +02 27 32.40 X 033
2025-09-30 01:14:16 C 01 25 04.577 +02 27 41.00 X 033
2025-09-30 01:39:23 B 01 25 02.76 +02 30 40.9 V I93
2025-09-30 01:44:21 B 01 25 02.16 +02 31 12.7 V I93
2025-09-30 01:49:19 B 01 25 01.52 +02 31 45.3 V I93
2025-09-30 04:17:32 C 01 24 53.340 +02 51 47.50 V 807
2025-09-30 04:36:21 C 01 24 50.730 +02 53 54.20 V 807
2025-09-30 04:55:09 C 01 24 48.090 +02 56 00.20 V 807
2025-09-30 05:50:08 C 01 24 43.26 +02 58 39.4 V H21
2025-09-30 05:54:10 C 01 24 42.70 +02 59 06.2 V H21
2025-09-30 05:58:12 C 01 24 42.15 +02 59 33.3 V H21
2025-09-30 06:02:13 C 01 24 41.60 +03 00 01.0 V H21
2025-09-30 07:45:21 C 01 24 31.313 +03 12 00.65 V I52
2025-09-30 07:46:00 C 01 24 31.219 +03 12 05.04 V I52
2025-09-30 07:46:39 C 01 24 31.136 +03 12 09.54 V I52
2025-09-30 07:47:17 C 01 24 31.021 +03 12 13.79 V I52
2025-09-30 09:58:21 C 01 24 20.750 +03 27 55.26 V T14
2025-09-30 09:59:45 C 01 24 20.543 +03 28 04.96 V T14
2025-09-30 10:01:09 C 01 24 20.335 +03 28 14.72 V T14
2025-10-03 04:33:19 B 01 15 35.232 +13 24 44.10 Z H36
2025-10-03 05:00:49 B 01 15 29.018 +13 30 03.74 Z H36
2025-10-06 03:51:54 C 00 56 40.092 +31 35 02.80 V I52
2025-10-06 03:52:44 C 00 56 39.703 +31 35 19.57 V I52
2025-10-06 03:53:35 C 00 56 39.329 +31 35 37.03 V I52
2025-10-06 03:54:26 C 00 56 38.922 +31 35 53.74 V I52