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 13:54:47	V	20 36 14.58	+22 55 05.6	14.7	V	247
2021-08-01 13:54:47	v	1 140.20199	+36.17829	–	–	247
2021-08-01 13:55:46	V	20 36 14.72	+22 55 11.2	14.6	V	247
2021-08-01 13:55:46	v	1 140.20199	+36.17829	–	–	247
2021-08-01 13:56:46	V	20 36 14.83	+22 55 16.7	14.7	V	247
2021-08-01 13:56:46	v	1 140.20199	+36.17829	–	–	247
2021-08-01 13:57:45	V	20 36 14.94	+22 55 22.8	14.8	V	247
2021-08-01 13:57:45	v	1 140.20199	+36.17829	–	–	247
2021-08-01 13:58:45	V	20 36 15.04	+22 55 28.9	14.7	V	247
2021-08-01 13:58:45	v	1 140.20199	+36.17829	–	–	247
2021-08-01 13:59:45	V	20 36 15.15	+22 55 34.7	14.8	V	247
2021-08-01 13:59:45	v	1 140.20199	+36.17829	–	–	247
2021-08-01 14:00:44	V	20 36 15.26	+22 55 40.1	14.9	V	247
2021-08-01 14:00:44	v	1 140.20199	+36.17829	–	–	247
2021-08-01 14:01:44	V	20 36 15.36	+22 55 45.9	15.2	V	247
2021-08-01 14:01:44	v	1 140.20199	+36.17829	–	–	247
2021-08-01 14:02:43	V	20 36 15.48	+22 55 51.5	15.1	V	247
2021-08-01 14:02:43	v	1 140.20199	+36.17829	–	–	247
2021-08-01 14:03:43	V	20 36 15.57	+22 55 56.5	15.2	V	247
2021-08-01 14:03:43	v	1 140.20199	+36.17829	–	–	247
2021-08-01 14:03:59	S	20 34 14.911	+22 10 39.18	–	V	C57
2021-08-01 14:03:59	s	1 -136349.74	5 +341397.29	3980.0	–	C57
2021-08-01 14:04:42	V	20 36 15.65	+22 56 02.7	14.8	V	247
2021-08-01 14:04:42	v	1 140.20199	+36.17829	–	–	247
2021-08-01 14:05:42	V	20 36 15.76	+22 56 07.9	14.8	V	247
2021-08-01 14:05:42	v	1 140.20199	+36.17829	–	–	247
2021-08-01 14:06:41	V	20 36 15.87	+22 56 14.0	15.5	V	247
2021-08-01 14:06:41	v	1 140.20199	+36.17829	–	–	247
2021-08-01 14:07:41	V	20 36 15.97	+22 56 19.9	15.0	V	247
2021-08-01 14:07:41	v	1 140.20199	+36.17829	–	–	247
2021-08-01 14:22:36	V	20 36 17.51	+22 57 47.2	14.7	V	247
2021-08-01 14:22:36	v	1 140.20199	+36.17829	–	–	247
2021-08-01 14:23:36	V	20 36 17.61	+22 57 52.5	14.8	V	247
2021-08-01 14:23:36	v	1 140.20199	+36.17829	–	–	247
2021-08-01 14:23:59	S	20 34 18.331	+22 12 32.36	–	V	C57
2021-08-01 14:23:59	s	1 -136952.42	6 +340781.05	4890.0	–	C57
2021-08-01 14:24:35	V	20 36 17.72	+22 57 58.7	14.7	V	247
2021-08-01 14:24:35	v	1 140.20199	+36.17829	–	–	247
2021-08-01 14:25:35	V	20 36 17.83	+22 58 04.0	14.9	V	247
2021-08-01 14:25:35	v	1 140.20199	+36.17829	–	–	247
2021-08-01 14:26:34	V	20 36 17.95	+22 58 10.7	15.1	V	247
2021-08-01 14:26:34	v	1 140.20199	+36.17829	–	–	247
2021-08-01 14:27:34	V	20 36 18.02	+22 58 15.3	15.0	V	247
2021-08-01 14:27:34	v	1 140.20199	+36.17829	–	–	247
2021-08-01 14:28:33	V	20 36 18.13	+22 58 21.2	14.9	V	247
2021-08-01 14:28:33	v	1 140.20199	+36.17829	–	–	247
2021-08-01 14:29:33	V	20 36 18.25	+22 58 27.2	14.7	V	247
2021-08-01 14:29:33	v	1 140.20199	+36.17829	–	–	247
2021-08-01 14:30:33	V	20 36 18.36	+22 58 32.1	14.5	V	247
2021-08-01 14:30:33	v	1 140.20199	+36.17829	–	–	247

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285571 (2000 PQ9)