285571 — IAA Minor Planet Database

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.4324411214 ± 8.16e-10
Semi-major axis (a)	1.9035657241 AU ± 5.85e-10
Inclination (i)	13.48266244° ± 1.16e-06
Long. of Asc. Node (Ω)	297.16245353° ± 7.40e-07
Arg. of Perihelion (ω)	7.05697041° ± 3.81e-06
Mean Anomaly (M)	231.96152491° ± 1.27e-06
Mean Motion (n)	0.3752843568°/day ± 1.73e-10
Perihelion dist (q)	1.08038563 AU ± 1.59e-09
Aphelion dist (Q)	2.72674582 AU ± 1.76e-09
Orbital Period	2.62634524 yr ± 1.21e-09

Physical Parameters

H (abs. magnitude)	18.65
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-05-31
RMS Residual	0.478″
Uncertainty	0
Orbit Type	Amor
MOID	0.064547 AU
Observations Used	7147
Radar Obs Used	1
Oppositions	13
Arc Total	2000-2021
First Observation Used	2000-08-09
Last Observation Used	2024-12-06

Observations (13272)

Date	Type	RA	Dec	Mag	Band	Observatory
2021-07-31 05:48:40	V	20 31 57.07	+19 37 19.9	13.1	V	247
2021-07-31 05:48:40	v	1 272.10087	+43.08037	–	–	247
2021-07-31 07:38:54	V	20 32 09.62	+19 49 14.1	13.1	V	247
2021-07-31 07:38:54	v	1 272.10087	+43.08037	–	–	247
2021-07-31 07:48:56	V	20 32 10.86	+19 50 17.5	12.9	V	247
2021-07-31 07:48:56	v	1 272.10087	+43.08037	–	–	247
2021-07-31 07:49:55	V	20 32 10.90	+19 50 23.8	12.9	V	247
2021-07-31 07:49:55	v	1 272.10087	+43.08037	–	–	247
2021-07-31 07:58:24	V	20 32 11.95	+19 51 18.6	12.9	V	247
2021-07-31 07:58:24	v	1 272.10087	+43.08037	–	–	247
2021-07-31 08:33:59	S	20 29 04.375	+19 17 04.27	–	V	C57
2021-07-31 08:33:59	s	1 -78115.497	0 +380900.35	3710.0	–	C57
2021-07-31 08:43:59	S	20 29 06.151	+19 18 05.26	–	V	C57
2021-07-31 08:43:59	s	1 -78465.847	0 +380759.52	5640.0	–	C57
2021-07-31 08:53:59	S	20 29 07.906	+19 19 06.60	–	V	C57
2021-07-31 08:53:59	s	1 -78816.014	0 +380617.76	6890.0	–	C57
2021-07-31 09:03:59	S	20 29 09.662	+19 20 07.98	–	V	C57
2021-07-31 09:03:59	s	1 -79165.998	0 +380475.07	7470.0	–	C57
2021-07-31 09:13:59	S	20 29 11.398	+19 21 08.82	–	V	C57
2021-07-31 09:13:59	s	1 -79515.798	0 +380331.46	7360.0	–	C57
2021-07-31 09:23:59	S	20 29 13.176	+19 22 10.78	–	V	C57
2021-07-31 09:23:59	s	1 -79865.412	0 +380186.91	6570.0	–	C57
2021-07-31 09:33:59	S	20 29 14.964	+19 23 11.87	–	V	C57
2021-07-31 09:33:59	s	1 -80214.840	0 +380041.44	5090.0	–	C57
2021-07-31 09:43:59	S	20 29 16.706	+19 24 12.92	–	V	C57
2021-07-31 09:43:59	s	1 -80564.080	0 +379895.05	2930.0	–	C57
2021-07-31 09:53:59	S	20 29 18.449	+19 25 14.20	–	V	C57
2021-07-31 09:53:59	s	1 -80913.133	0 +379747.72	70.0	–	C57
2021-07-31 10:03:59	S	20 29 20.203	+19 26 14.75	–	V	C57
2021-07-31 10:03:59	s	1 -81261.996	0 +379599.47	6510.0	–	C57
2021-07-31 10:13:59	S	20 29 21.965	+19 27 16.60	–	V	C57
2021-07-31 10:13:59	s	1 -81610.668	0 +379450.29	2250.0	–	C57
2021-07-31 10:23:59	S	20 29 23.710	+19 28 17.18	–	V	C57
2021-07-31 10:23:59	s	1 -81959.150	0 +379300.18	7300.0	–	C57
2021-07-31 10:33:59	S	20 29 25.498	+19 29 17.74	–	V	C57
2021-07-31 10:33:59	s	1 -82307.439	0 +379149.15	1630.0	–	C57
2021-07-31 10:43:59	S	20 29 27.276	+19 30 19.84	–	V	C57
2021-07-31 10:43:59	s	1 -82655.536	0 +378997.19	5260.0	–	C57
2021-07-31 10:53:59	S	20 29 29.040	+19 31 20.82	–	V	C57
2021-07-31 10:53:59	s	1 -83003.438	0 +378844.29	8180.0	–	C57
2021-07-31 11:03:59	S	20 29 30.775	+19 32 21.19	–	V	C57
2021-07-31 11:03:59	s	1 -83351.145	0 +378690.47	390.0	–	C57
2021-07-31 11:13:59	S	20 29 32.532	+19 33 22.72	–	V	C57
2021-07-31 11:13:59	s	1 -83698.656	0 +378535.73	1870.0	–	C57
2021-07-31 11:23:59	S	20 29 34.291	+19 34 22.44	–	V	C57
2021-07-31 11:23:59	s	1 -84045.971	0 +378380.05	2640.0	–	C57
2021-07-31 11:33:59	S	20 29 36.074	+19 35 24.90	–	V	C57
2021-07-31 11:33:59	s	1 -84393.087	0 +378223.45	2680.0	–	C57
2021-07-31 11:43:59	S	20 29 37.853	+19 36 25.02	–	V	C57
2021-07-31 11:43:59	s	1 -84740.004	0 +378065.91	2000.0	–	C57

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285571 (2000 PQ9)