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 08:53:11	V	20 35 37.13	+22 26 03.4	14.3	V	247
2021-08-01 08:53:11	v	1 201.91287	+21.37114	–	–	247
2021-08-01 08:53:59	S	20 33 20.750	+21 41 18.10	–	V	C57
2021-08-01 08:53:59	s	1 -126819.85	7 +350456.55	9250.0	–	C57
2021-08-01 08:54:11	V	20 35 37.22	+22 26 08.4	14.5	V	247
2021-08-01 08:54:11	v	1 201.91287	+21.37114	–	–	247
2021-08-01 08:55:10	V	20 35 37.34	+22 26 15.0	14.7	V	247
2021-08-01 08:55:10	v	1 201.91287	+21.37114	–	–	247
2021-08-01 08:56:10	V	20 35 37.43	+22 26 21.1	15.0	V	247
2021-08-01 08:56:10	v	1 201.91287	+21.37114	–	–	247
2021-08-01 08:57:10	V	20 35 37.52	+22 26 26.3	14.6	V	247
2021-08-01 08:57:10	v	1 201.91287	+21.37114	–	–	247
2021-08-01 08:58:09	V	20 35 37.65	+22 26 33.0	14.4	V	247
2021-08-01 08:58:09	v	1 201.91287	+21.37114	–	–	247
2021-08-01 08:59:09	V	20 35 37.74	+22 26 38.2	14.3	V	247
2021-08-01 08:59:09	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:00:08	V	20 35 37.82	+22 26 45.0	14.2	V	247
2021-08-01 09:00:08	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:01:08	V	20 35 37.95	+22 26 51.0	14.2	V	247
2021-08-01 09:01:08	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:02:07	V	20 35 38.05	+22 26 56.0	14.2	V	247
2021-08-01 09:02:07	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:03:07	V	20 35 38.15	+22 27 02.5	14.4	V	247
2021-08-01 09:03:07	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:03:59	S	20 33 22.510	+21 42 15.52	–	V	C57
2021-08-01 09:03:59	s	1 -127132.58	4 +350178.70	8500.0	–	C57
2021-08-01 09:04:07	V	20 35 38.25	+22 27 07.6	14.5	V	247
2021-08-01 09:04:07	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:05:06	V	20 35 38.37	+22 27 13.6	14.6	V	247
2021-08-01 09:05:06	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:06:06	V	20 35 38.46	+22 27 20.0	14.5	V	247
2021-08-01 09:06:06	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:07:05	V	20 35 38.57	+22 27 26.4	14.9	V	247
2021-08-01 09:07:05	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:13:59	S	20 33 24.226	+21 43 12.65	–	V	C57
2021-08-01 09:13:59	s	1 -127444.96	9 +349899.90	6580.0	–	C57
2021-08-01 09:18:10	V	20 35 39.73	+22 28 31.5	14.4	V	247
2021-08-01 09:18:10	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:19:10	V	20 35 39.79	+22 28 37.6	14.5	V	247
2021-08-01 09:19:10	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:20:09	V	20 35 39.93	+22 28 44.4	14.9	V	247
2021-08-01 09:20:09	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:22:09	V	20 35 40.11	+22 28 55.4	15.3	V	247
2021-08-01 09:22:09	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:23:08	V	20 35 40.23	+22 29 02.4	14.9	V	247
2021-08-01 09:23:08	v	1 201.91287	+21.37114	–	–	247
2021-08-01 09:23:59	S	20 33 25.978	+21 44 08.92	–	V	C57
2021-08-01 09:23:59	s	1 -127757.01	1 +349620.14	3490.0	–	C57
2021-08-01 09:24:08	V	20 35 40.32	+22 29 08.1	14.8	V	247
2021-08-01 09:24:08	v	1 201.91287	+21.37114	–	–	247

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285571 (2000 PQ9)