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 11:07:00	V	20 35 50.77	+22 39 14.7	14.9	V	247
2021-08-01 11:07:00	v	1 201.91287	+21.37114	–	–	247
2021-08-01 11:08:00	V	20 35 50.87	+22 39 20.4	15.0	V	247
2021-08-01 11:08:00	v	1 201.91287	+21.37114	–	–	247
2021-08-01 11:15:56	V	20 35 51.65	+22 40 06.2	14.6	V	247
2021-08-01 11:15:56	v	1 201.91287	+21.37114	–	–	247
2021-08-01 11:21:54	V	20 35 52.33	+22 40 40.8	14.0	V	247
2021-08-01 11:21:54	v	1 201.91287	+21.37114	–	–	247
2021-08-01 11:23:59	S	20 33 46.992	+21 55 33.96	–	V	C57
2021-08-01 11:23:59	s	1 -131474.31	3 +346188.34	3370.0	–	C57
2021-08-01 11:33:59	S	20 33 48.660	+21 56 29.62	–	V	C57
2021-08-01 11:33:59	s	1 -131781.78	2 +345896.12	4660.0	–	C57
2021-08-01 11:34:24	V	20 35 53.49	+22 41 53.0	14.5	V	247
2021-08-01 11:34:24	v	1 201.91287	+21.37114	–	–	247
2021-08-01 11:35:23	V	20 35 53.58	+22 41 58.9	14.4	V	247
2021-08-01 11:35:23	v	1 201.91287	+21.37114	–	–	247
2021-08-01 11:36:23	V	20 35 53.69	+22 42 04.3	14.5	V	247
2021-08-01 11:36:23	v	1 201.91287	+21.37114	–	–	247
2021-08-01 11:37:22	V	20 35 53.74	+22 42 10.1	14.8	V	247
2021-08-01 11:37:22	v	1 201.91287	+21.37114	–	–	247
2021-08-01 11:38:22	V	20 35 53.89	+22 42 16.1	14.8	V	247
2021-08-01 11:38:22	v	1 201.91287	+21.37114	–	–	247
2021-08-01 11:43:59	S	20 33 50.458	+21 57 27.00	–	V	C57
2021-08-01 11:43:59	s	1 -132088.89	0 +345602.94	4710.0	–	C57
2021-08-01 11:45:15	V	20 36 00.10	+22 44 05.5	14.6	V	247
2021-08-01 11:45:15	v	1 151.94278	-27.45579	–	–	247
2021-08-01 11:46:15	V	20 36 00.19	+22 44 12.5	14.5	V	247
2021-08-01 11:46:15	v	1 151.94278	-27.45579	–	–	247
2021-08-01 11:47:14	V	20 36 00.31	+22 44 17.6	14.8	V	247
2021-08-01 11:47:14	v	1 151.94278	-27.45579	–	–	247
2021-08-01 11:47:18	V	20 35 54.81	+22 43 07.7	14.7	V	247
2021-08-01 11:47:18	v	1 201.91287	+21.37114	–	–	247
2021-08-01 11:48:18	V	20 35 54.90	+22 43 13.1	14.8	V	247
2021-08-01 11:48:18	v	1 201.91287	+21.37114	–	–	247
2021-08-01 11:49:17	V	20 35 55.02	+22 43 18.7	15.2	V	247
2021-08-01 11:49:17	v	1 201.91287	+21.37114	–	–	247
2021-08-01 11:50:13	V	20 36 00.65	+22 44 35.3	14.9	V	247
2021-08-01 11:50:13	v	1 151.94278	-27.45579	–	–	247
2021-08-01 11:50:17	V	20 35 55.14	+22 43 25.0	14.8	V	247
2021-08-01 11:50:17	v	1 201.91287	+21.37114	–	–	247
2021-08-01 11:51:12	V	20 36 00.74	+22 44 41.6	14.1	V	247
2021-08-01 11:51:12	v	1 151.94278	-27.45579	–	–	247
2021-08-01 11:51:16	V	20 35 55.23	+22 43 30.5	14.1	V	247
2021-08-01 11:51:16	v	1 201.91287	+21.37114	–	–	247
2021-08-01 11:52:12	V	20 36 00.82	+22 44 47.5	13.6	V	247
2021-08-01 11:52:12	v	1 151.94278	-27.45579	–	–	247
2021-08-01 11:52:16	V	20 35 55.35	+22 43 36.8	13.7	V	247
2021-08-01 11:52:16	v	1 201.91287	+21.37114	–	–	247
2021-08-01 11:53:12	V	20 36 00.92	+22 44 54.0	13.7	V	247
2021-08-01 11:53:12	v	1 151.94278	-27.45579	–	–	247

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285571 (2000 PQ9)