2021 SJ3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1320963336 ± 8.95e-05
Semi-major axis (a)1.2495391335 AU ± 1.86e-04
Inclination (i)2.41135950° ± 1.56e-03
Long. of Asc. Node (Ω)213.32051811° ± 1.86e-03
Arg. of Perihelion (ω)133.65605727° ± 5.23e-03
Mean Anomaly (M)3.00055649° ± 2.39e-01
Mean Motion (n)0.7056469733°/day ± 1.57e-04
Perihelion dist (q)1.08447960 AU ± 1.96e-04
Aphelion dist (Q)1.41459867 AU ± 2.38e-04
Orbital Period1.39676966 yr ± 3.11e-04
Physical Parameters
H (abs. magnitude)26.26
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.142″
Uncertainty3
Orbit TypeAmor
MOID0.081976 AU
Observations Used21
Oppositions1
Arc Total2021-2021
First Observation Used2021-09-29
Last Observation Used2021-10-09
Observations (21)
Date Type RA Dec Mag Band Observatory
2021-09-29 07:07:46 C 00 20 30.183 +16 22 25.21 U F51
2021-09-29 07:24:21 C 00 20 30.785 +16 22 09.34 U F51
2021-09-29 07:40:54 C 00 20 31.368 +16 21 53.47 U F51
2021-09-29 10:57:39 C 00 20 37.340 +16 18 34.74 V F51
2021-09-29 10:58:50 C 00 20 37.373 +16 18 33.40 V F51
2021-09-30 12:15:57 C 00 21 59.107 +15 52 11.64 V F51
2021-09-30 12:32:47 C 00 21 59.651 +15 51 52.84 V F51
2021-09-30 13:06:14 C 00 22 00.796 +15 51 15.72 V F51
2021-10-02 07:20:39 C 00 24 24.772 +15 06 50.10 U F52
2021-10-02 07:37:04 C 00 24 25.316 +15 06 33.76 U F52
2021-10-02 07:53:31 C 00 24 25.836 +15 06 17.22 U F52
2021-10-02 08:09:53 C 00 24 26.330 +15 06 00.96 U F52
2021-10-02 10:05:58 C 00 24 25.67 +15 03 37.8 o 291
2021-10-02 10:20:32 C 00 24 26.22 +15 03 21.2 o 291
2021-10-02 10:35:04 C 00 24 26.73 +15 03 04.7 o 291
2021-10-03 08:12:10 C 00 25 41.348 +14 40 34.27 U F51
2021-10-03 08:26:25 C 00 25 41.755 +14 40 19.64 U F51
2021-10-03 08:40:38 C 00 25 42.155 +14 40 05.26 U F51
2021-10-03 08:54:43 C 00 25 42.535 +14 39 50.75 U F51
2021-10-09 05:06:54 C 00 32 36.46 +12 12 31.7 u H21
2021-10-09 05:34:26 C 00 32 37.24 +12 12 03.2 u H21