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
2021-08-04 14:14:42	V	20 45 01.63	+29 02 19.0	15.0	V	247
2021-08-04 14:14:42	v	1 134.17920	+34.51211	–	–	247
2021-08-04 14:15:41	V	20 45 01.72	+29 02 22.9	14.8	V	247
2021-08-04 14:15:41	v	1 134.17920	+34.51211	–	–	247
2021-08-04 14:20:39	V	20 45 02.14	+29 02 45.7	14.5	V	247
2021-08-04 14:20:39	v	1 134.17920	+34.51211	–	–	247
2021-08-04 14:21:38	V	20 45 02.26	+29 02 49.3	14.8	V	247
2021-08-04 14:21:38	v	1 134.17920	+34.51211	–	–	247
2021-08-04 14:22:38	V	20 45 02.36	+29 02 54.3	15.2	V	247
2021-08-04 14:22:38	v	1 134.17920	+34.51211	–	–	247
2021-08-04 14:23:38	V	20 45 02.41	+29 02 58.4	15.5	V	247
2021-08-04 14:23:38	v	1 134.17920	+34.51211	–	–	247
2021-08-04 14:23:59	S	20 46 24.242	+28 26 14.78	–	V	C57
2021-08-04 14:23:59	s	1 -201868.48	4 +109691.18	9490.0	–	C57
2021-08-04 14:25:37	V	20 45 02.60	+29 03 07.1	15.9	V	247
2021-08-04 14:25:37	v	1 134.17920	+34.51211	–	–	247
2021-08-04 14:26:36	V	20 45 02.69	+29 03 11.0	15.2	V	247
2021-08-04 14:26:36	v	1 134.17920	+34.51211	–	–	247
2021-08-04 14:28:35	V	20 45 02.89	+29 03 19.8	15.3	V	247
2021-08-04 14:28:35	v	1 134.17920	+34.51211	–	–	247
2021-08-04 14:33:59	S	20 46 25.774	+28 27 03.64	–	V	C57
2021-08-04 14:33:59	s	1 -201753.72	9 +108911.97	9410.0	–	C57
2021-08-04 14:43:59	S	20 46 27.362	+28 27 52.34	–	V	C57
2021-08-04 14:43:59	s	1 -201636.82	9 +108131.61	2450.0	–	C57
2021-08-04 14:53:59	S	20 46 28.867	+28 28 41.81	–	V	C57
2021-08-04 14:53:59	s	1 -201517.77	2 +107350.11	8610.0	–	C57
2021-08-04 15:03:59	S	20 46 30.458	+28 29 30.70	–	V	C57
2021-08-04 15:03:59	s	1 -201396.54	7 +106567.45	7820.0	–	C57
2021-08-04 15:09:55	V	20 45 06.62	+29 06 23.5	15.0	V	247
2021-08-04 15:09:55	v	1 134.17920	+34.51211	–	–	247
2021-08-04 15:10:54	V	20 45 06.70	+29 06 27.4	15.2	V	247
2021-08-04 15:10:54	v	1 134.17920	+34.51211	–	–	247
2021-08-04 15:11:54	V	20 45 06.79	+29 06 31.6	14.9	V	247
2021-08-04 15:11:54	v	1 134.17920	+34.51211	–	–	247
2021-08-04 15:12:54	V	20 45 06.89	+29 06 36.2	14.9	V	247
2021-08-04 15:12:54	v	1 134.17920	+34.51211	–	–	247
2021-08-04 15:13:53	V	20 45 06.99	+29 06 40.4	15.0	V	247
2021-08-04 15:13:53	v	1 134.17920	+34.51211	–	–	247
2021-08-04 15:13:59	S	20 46 32.006	+28 30 19.12	–	V	C57
2021-08-04 15:13:59	s	1 -201273.14	3 +105783.66	60.0	–	C57
2021-08-04 15:17:51	V	20 45 07.33	+29 06 57.2	14.8	V	247
2021-08-04 15:17:51	v	1 134.17920	+34.51211	–	–	247
2021-08-04 15:23:59	S	20 46 33.576	+28 31 07.86	–	V	C57
2021-08-04 15:23:59	s	1 -201147.54	8 +104998.71	5300.0	–	C57
2021-08-04 15:33:59	S	20 46 35.117	+28 31 57.22	–	V	C57
2021-08-04 15:33:59	s	1 -201019.74	9 +104212.63	3490.0	–	C57
2021-08-04 15:43:59	S	20 46 36.667	+28 32 46.07	–	V	C57
2021-08-04 15:43:59	s	1 -200889.73	7 +103425.40	4590.0	–	C57
2021-08-04 15:53:59	S	20 46 38.177	+28 33 34.45	–	V	C57
2021-08-04 15:53:59	s	1 -200757.49	7 +102637.03	8580.0	–	C57

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285571 (2000 PQ9)