2021 SU1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2494408919 ± 2.62e-05
Semi-major axis (a)0.8507539717 AU ± 9.87e-06
Inclination (i)1.10778694° ± 1.30e-04
Long. of Asc. Node (Ω)349.90337009° ± 1.77e-04
Arg. of Perihelion (ω)223.58444722° ± 3.78e-04
Mean Anomaly (M)236.48839572° ± 3.15e-02
Mean Motion (n)1.2560481792°/day ± 2.19e-05
Perihelion dist (q)0.63854114 AU ± 2.35e-05
Aphelion dist (Q)1.06296680 AU ± 2.55e-05
Orbital Period0.78470420 yr ± 1.37e-05
Physical Parameters
H (abs. magnitude)26.57
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.201″
Uncertainty2
Orbit TypeAten
MOID0.003171 AU
Observations Used62
Oppositions1
Arc Total2021-2021
First Observation Used2021-09-28
Last Observation Used2021-12-01
Observations (62)
Date Type RA Dec Mag Band Observatory
2021-10-14 02:49:01 C 21 51 35.71 -06 00 27.5 o 695
2021-10-14 03:15:23 C 21 51 36.26 -06 00 28.5 o 695
2021-10-14 03:41:44 C 21 51 36.84 -06 00 29.3 o 695
2021-10-20 02:39:20 C 21 58 22.99 -05 58 45.0 V 695
2021-10-20 03:20:23 C 21 58 24.07 -05 58 43.1 V 695
2021-10-20 04:01:26 C 21 58 25.15 -05 58 40.6 V 695
2021-10-29 01:36:03 C 22 08 41.995 -05 36 34.52 V 309
2021-10-29 01:40:57 C 22 08 42.167 -05 36 33.89 V 309
2021-10-29 01:46:02 C 22 08 42.329 -05 36 33.13 V 309
2021-11-11 06:21:12 C 22 25 40.357 -04 37 52.55 V T12
2021-12-01 01:25:46 C 22 54 16.142 -02 24 52.46 V 309
2021-12-01 01:53:41 C 22 54 17.685 -02 24 43.57 V 309