2021 UL17

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4520916534 ± 1.56e-04
Semi-major axis (a)2.0476314721 AU ± 6.58e-04
Inclination (i)2.75460389° ± 7.70e-04
Long. of Asc. Node (Ω)126.60571543° ± 1.76e-03
Arg. of Perihelion (ω)284.56777615° ± 2.24e-03
Mean Anomaly (M)133.69634935° ± 2.41e-01
Mean Motion (n)0.3363834203°/day ± 1.62e-04
Perihelion dist (q)1.12191437 AU ± 4.82e-04
Aphelion dist (Q)2.97334857 AU ± 1.01e-03
Orbital Period2.93006796 yr ± 1.41e-03
Physical Parameters
H (abs. magnitude)23.22
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.423″
Uncertainty3
Orbit TypeAmor
MOID0.139967 AU
Observations Used12
Oppositions1
Arc Total2021-2021
First Observation Used2021-10-26
Last Observation Used2021-12-06
Observations (12)
Date Type RA Dec Mag Band Observatory
2021-10-26 21:06:02 C 02 38 51.97 -06 24 31.5 V 119
2021-10-26 21:13:21 C 02 38 52.82 -06 24 30.4 V 119
2021-10-26 21:21:53 C 02 38 53.85 -06 24 29.9 V 119
2021-10-30 23:30:13 C 02 51 53.89 -06 01 54.3 V 119
2021-10-30 23:53:58 C 02 51 56.85 -06 01 46.1 V 119
2021-10-31 00:00:40 C 02 51 57.68 -06 01 43.0 V 119
2021-10-31 11:43:11 C 02 53 36.85 -05 56 50.4 V Q62
2021-10-31 11:44:31 C 02 53 37.02 -05 56 50.8 V Q62
2021-10-31 20:42:57 C 02 54 49.57 -05 55 03.1 X G02
2021-10-31 20:56:43 C 02 54 51.34 -05 54 58.7 X G02
2021-12-06 19:24:21 C 04 42 18.76 +07 10 33.1 X 119
2021-12-06 19:55:37 C 04 42 21.27 +07 11 08.1 X 119