2022 ST21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2295043000
Semi-major axis (a)1.1937859000 AU
Inclination (i)23.24386000°
Long. of Asc. Node (Ω)183.29322000°
Arg. of Perihelion (ω)258.83608000°
Mean Anomaly (M)97.92563000°
Mean Motion (n)0.7556391000°/day
Perihelion dist (q)0.91980690 AU
Aphelion dist (Q)1.46776490 AU
Orbital Period1.30433660 yr
Physical Parameters
H (abs. magnitude)24.57
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.840″
Uncertainty8
Orbit TypeApollo
MOID0.069654 AU
Observations Used27
Oppositions1
Arc Total
First Observation Used
Last Observation Used2022-09-29
Observations (27)
Date Type RA Dec Mag Band Observatory
2022-09-27 09:11:49 C 02 33 32.677 -01 54 41.33 V G96
2022-09-27 09:20:03 C 02 33 35.507 -01 56 21.52 V G96
2022-09-27 09:28:16 C 02 33 38.326 -01 58 01.85 V G96
2022-09-27 09:36:29 C 02 33 41.155 -01 59 41.89 V G96
2022-09-27 12:11:00 C 02 34 34.550 -02 31 04.90 V I52
2022-09-27 12:12:34 C 02 34 35.130 -02 31 24.40 V I52
2022-09-28 00:38:08 C 02 39 20.35 -05 05 46.8 X 033
2022-09-28 00:40:28 C 02 39 21.22 -05 06 16.0 X 033
2022-09-28 00:41:49 C 02 39 21.69 -05 06 33.2 X 033
2022-09-28 00:43:12 C 02 39 22.17 -05 06 50.4 X 033
2022-09-28 07:34:23 C 02 41 59.97 -06 33 01.5 u H21
2022-09-28 07:42:26 C 02 42 02.86 -06 34 42.9 u H21
2022-09-28 07:46:28 C 02 42 04.34 -06 35 34.4 u H21
2022-09-28 08:26:37 C 02 42 21.280 -06 43 53.33 V I52
2022-09-28 08:27:30 C 02 42 21.622 -06 44 04.42 V I52
2022-09-28 08:28:24 C 02 42 21.881 -06 44 16.33 V I52
2022-09-28 08:29:18 C 02 42 22.201 -06 44 27.96 V I52
2022-09-28 08:33:12 C 02 42 23.656 -06 45 16.56 V G96
2022-09-28 08:40:37 C 02 42 26.309 -06 46 50.95 V G96
2022-09-28 08:55:30 C 02 42 31.705 -06 50 00.31 V G96
2022-09-29 01:25:08 C 02 49 01.11 -10 22 08.0 X 033
2022-09-29 01:26:18 C 02 49 01.57 -10 22 23.1 X 033
2022-09-29 01:27:28 C 02 49 02.00 -10 22 39.0 X 033
2022-09-29 01:28:53 C 02 49 02.53 -10 22 56.9 X 033
2022-09-29 07:17:33 C 02 51 22.76 -11 36 07.1 u 807
2022-09-29 07:24:37 C 02 51 25.44 -11 37 39.1 u 807
2022-09-29 07:31:41 C 02 51 28.07 -11 39 11.1 u 807