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
2021-08-01 09:25:07	V	20 35 40.40	+22 29 12.7	14.7	V	247
2021-08-01 09:25:07	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:26:07	V	20 35 40.54	+22 29 19.5	14.5	V	247
2021-08-01 09:26:07	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:27:08	V	20 35 40.63	+22 29 25.3	14.6	V	247
2021-08-01 09:27:08	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:28:10	V	20 35 40.75	+22 29 31.2	14.6	V	247
2021-08-01 09:28:10	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:29:10	V	20 35 40.84	+22 29 37.8	14.8	V	247
2021-08-01 09:29:10	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:30:09	V	20 35 40.93	+22 29 43.2	14.5	V	247
2021-08-01 09:30:09	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:31:09	V	20 35 41.03	+22 29 49.3	14.4	V	247
2021-08-01 09:31:09	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:32:08	V	20 35 41.13	+22 29 54.4	14.1	V	247
2021-08-01 09:32:08	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:33:08	V	20 35 41.27	+22 30 01.4	14.1	V	247
2021-08-01 09:33:08	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:33:59	S	20 33 27.696	+21 45 06.26	–	V	C57
2021-08-01 09:33:59	s	1 -128068.71	0 +349339.43	9220.0	–	C57
2021-08-01 09:34:07	V	20 35 41.35	+22 30 06.2	14.1	V	247
2021-08-01 09:34:07	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:35:07	V	20 35 41.45	+22 30 12.3	14.4	V	247
2021-08-01 09:35:07	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:36:06	V	20 35 41.54	+22 30 19.0	15.0	V	247
2021-08-01 09:36:06	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:37:06	V	20 35 41.63	+22 30 24.5	14.9	V	247
2021-08-01 09:37:06	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:38:14	V	20 35 41.76	+22 30 31.6	14.9	V	247
2021-08-01 09:38:14	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:39:21	V	20 35 41.88	+22 30 38.3	14.8	V	247
2021-08-01 09:39:21	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:40:21	V	20 35 41.98	+22 30 43.6	14.8	V	247
2021-08-01 09:40:21	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:41:20	V	20 35 42.06	+22 30 50.1	15.2	V	247
2021-08-01 09:41:20	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:42:20	V	20 35 42.17	+22 30 55.3	15.5	V	247
2021-08-01 09:42:20	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:43:19	V	20 35 42.35	+22 31 01.2	14.7	V	247
2021-08-01 09:43:19	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:43:59	S	20 33 29.462	+21 46 03.83	–	V	C57
2021-08-01 09:43:59	s	1 -128380.06	3 +349057.76	3770.0	–	C57
2021-08-01 09:44:19	V	20 35 42.39	+22 31 07.3	14.1	V	247
2021-08-01 09:44:19	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:49:17	V	20 35 42.88	+22 31 35.9	14.4	V	247
2021-08-01 09:49:17	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:50:16	V	20 35 42.99	+22 31 42.4	15.2	V	247
2021-08-01 09:50:16	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:51:16	V	20 35 43.10	+22 31 49.2	15.2	V	247
2021-08-01 09:51:16	v	1 201.91287	+21.37114	–	–	247

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285571 (2000 PQ9)