2022 SN21

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1601201787 ± 5.50e-05
Semi-major axis (a)1.2142170087 AU ± 8.49e-05
Inclination (i)3.99170042° ± 1.17e-03
Long. of Asc. Node (Ω)2.10444890° ± 5.59e-05
Arg. of Perihelion (ω)353.96499918° ± 2.40e-03
Mean Anomaly (M)132.82280842° ± 8.78e-02
Mean Motion (n)0.7366612200°/day ± 7.73e-05
Perihelion dist (q)1.01979636 AU ± 9.77e-05
Aphelion dist (Q)1.40863765 AU ± 1.19e-04
Orbital Period1.33796412 yr ± 1.40e-04
Physical Parameters
H (abs. magnitude)26.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.265″
Uncertainty2
Orbit TypeAmor
MOID0.014917 AU
Observations Used39
Oppositions1
Arc Total2022-2022
First Observation Used2022-09-23
Last Observation Used2022-10-09
Observations (41)
Date Type RA Dec Mag Band Observatory
2022-09-23 21:34:12 C 21 40 16.056 -22 53 13.52 X L87
2022-09-23 21:39:00 C 21 40 17.436 -22 52 20.71 X L87
2022-09-23 21:43:03 C 21 40 18.648 -22 51 36.00 X L87
2022-09-23 21:43:05 C 21 40 18.646 -22 51 35.89 X L87
2022-09-23 21:51:54 C 21 40 21.372 -22 49 57.07 X L87
2022-09-28 04:30:00 C 22 21 04.680 -03 29 53.66 V G96
2022-09-28 04:37:29 C 22 21 06.696 -03 28 28.92 V G96
2022-09-28 04:39:59 C 22 21 07.420 -03 28 01.81 V 703
2022-09-28 04:44:57 C 22 21 08.723 -03 27 05.18 V G96
2022-09-28 04:47:33 C 22 21 09.439 -03 26 36.46 V 703
2022-09-28 04:52:27 C 22 21 10.775 -03 25 41.05 V G96
2022-09-28 04:55:07 C 22 21 11.538 -03 25 11.14 V 703
2022-09-28 05:02:40 C 22 21 13.558 -03 23 44.63 V 703
2022-09-28 18:49:44 C 22 26 29.299 -00 43 54.66 X L87
2022-09-28 18:57:29 C 22 26 31.373 -00 42 28.94 X L87
2022-09-28 19:05:08 C 22 26 33.430 -00 41 04.88 X L87
2022-09-28 21:16:42 C 22 27 09.61 -00 24 54.8 X 033
2022-09-28 21:17:11 C 22 27 09.75 -00 24 49.3 X 033
2022-09-28 21:17:40 C 22 27 09.89 -00 24 44.0 X 033
2022-09-29 01:52:19 C 22 29 00.28 +00 26 13.7 u H21
2022-09-29 01:55:05 C 22 29 01.05 +00 26 43.9 u H21
2022-09-29 01:57:52 C 22 29 01.83 +00 27 14.2 u H21
2022-09-29 02:00:38 C 22 29 02.61 +00 27 44.5 u H21
2022-09-29 03:07:48 C 22 29 27.92 +00 40 18.4 X 858
2022-09-29 03:15:46 C 22 29 30.13 +00 41 45.0 X 858
2022-09-29 03:23:38 C 22 29 32.28 +00 43 10.8 X 858
2022-10-05 02:23:47 C 23 15 43.38 +21 49 27.9 u H21
2022-10-05 02:26:35 C 23 15 44.06 +21 49 47.0 u H21
2022-10-05 02:29:22 C 23 15 44.67 +21 50 06.2 u H21
2022-10-05 02:32:10 C 23 15 45.27 +21 50 25.4 u H21
2022-10-05 02:34:57 C 23 15 45.86 +21 50 44.6 u H21
2022-10-05 02:37:45 C 23 15 46.46 +21 51 03.6 u H21
2022-10-05 02:40:33 C 23 15 47.06 +21 51 22.8 u H21
2022-10-05 02:43:20 C 23 15 47.65 +21 51 42.0 u H21
2022-10-05 02:46:19 C 23 15 48.27 +21 52 02.3 u H21
2022-10-07 21:30:47 C 23 33 37.15 +28 19 12.2 X B88
2022-10-07 22:06:50 C 23 33 43.80 +28 22 11.9 X B88
2022-10-07 22:42:37 C 23 33 50.48 +28 25 08.1 X B88
2022-10-09 04:56:52 C 23 41 20.047 +30 45 49.97 V I52
2022-10-09 05:04:31 C 23 41 21.282 +30 46 23.52 V I52
2022-10-09 05:18:25 C 23 41 23.528 +30 47 24.83 V I52