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 09:52:15	V	20 35 43.17	+22 31 53.6	14.4	V	247
2021-08-01 09:52:15	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:53:15	V	20 35 43.26	+22 32 00.2	13.9	V	247
2021-08-01 09:53:15	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:53:59	S	20 33 31.186	+21 47 00.38	–	V	C57
2021-08-01 09:53:59	s	1 -128691.06	9 +348775.13	7130.0	–	C57
2021-08-01 09:55:14	V	20 35 43.49	+22 32 10.1	13.9	V	247
2021-08-01 09:55:14	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:56:14	V	20 35 43.60	+22 32 17.8	13.9	V	247
2021-08-01 09:56:14	v	1 201.91287	+21.37114	–	–	247
2021-08-01 10:13:59	S	20 33 34.762	+21 48 55.44	–	V	C57
2021-08-01 10:13:59	s	1 -129312.03	7 +348207.00	280.0	–	C57
2021-08-01 10:23:59	S	20 33 36.485	+21 49 52.07	–	V	C57
2021-08-01 10:23:59	s	1 -129621.99	5 +347921.50	60.0	–	C57
2021-08-01 10:33:59	S	20 33 38.244	+21 50 49.42	–	V	C57
2021-08-01 10:33:59	s	1 -129931.60	2 +347635.04	8640.0	–	C57
2021-08-01 10:43:59	S	20 33 39.962	+21 51 46.51	–	V	C57
2021-08-01 10:43:59	s	1 -130240.85	6 +347347.62	6010.0	–	C57
2021-08-01 10:50:55	V	20 35 49.10	+22 37 40.4	14.8	V	247
2021-08-01 10:50:55	v	1 201.91287	+21.37114	–	–	247
2021-08-01 10:51:55	V	20 35 49.21	+22 37 45.5	14.6	V	247
2021-08-01 10:51:55	v	1 201.91287	+21.37114	–	–	247
2021-08-01 10:52:55	V	20 35 49.32	+22 37 51.2	14.5	V	247
2021-08-01 10:52:55	v	1 201.91287	+21.37114	–	–	247
2021-08-01 10:53:54	V	20 35 49.44	+22 37 56.9	14.5	V	247
2021-08-01 10:53:54	v	1 201.91287	+21.37114	–	–	247
2021-08-01 10:53:59	S	20 33 41.719	+21 52 42.92	–	V	C57
2021-08-01 10:53:59	s	1 -130549.75	5 +347059.24	2180.0	–	C57
2021-08-01 10:54:54	V	20 35 49.53	+22 38 03.2	14.6	V	247
2021-08-01 10:54:54	v	1 201.91287	+21.37114	–	–	247
2021-08-01 10:55:53	V	20 35 49.61	+22 38 09.0	14.5	V	247
2021-08-01 10:55:53	v	1 201.91287	+21.37114	–	–	247
2021-08-01 10:56:53	V	20 35 49.72	+22 38 14.7	14.5	V	247
2021-08-01 10:56:53	v	1 201.91287	+21.37114	–	–	247
2021-08-01 10:57:58	V	20 35 49.82	+22 38 20.9	14.5	V	247
2021-08-01 10:57:58	v	1 201.91287	+21.37114	–	–	247
2021-08-01 10:59:04	V	20 35 49.92	+22 38 27.7	14.6	V	247
2021-08-01 10:59:04	v	1 201.91287	+21.37114	–	–	247
2021-08-01 11:00:03	V	20 35 50.05	+22 38 33.6	14.6	V	247
2021-08-01 11:00:03	v	1 201.91287	+21.37114	–	–	247
2021-08-01 11:01:03	V	20 35 50.14	+22 38 39.4	14.5	V	247
2021-08-01 11:01:03	v	1 201.91287	+21.37114	–	–	247
2021-08-01 11:02:03	V	20 35 50.25	+22 38 45.2	14.6	V	247
2021-08-01 11:02:03	v	1 201.91287	+21.37114	–	–	247
2021-08-01 11:03:02	V	20 35 50.33	+22 38 50.7	14.8	V	247
2021-08-01 11:03:02	v	1 201.91287	+21.37114	–	–	247
2021-08-01 11:03:59	S	20 33 43.452	+21 53 40.13	–	V	C57
2021-08-01 11:03:59	s	1 -130858.29	9 +346769.90	7130.0	–	C57
2021-08-01 11:04:02	V	20 35 50.48	+22 38 56.9	15.2	V	247
2021-08-01 11:04:02	v	1 201.91287	+21.37114	–	–	247

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285571 (2000 PQ9)