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
2021-08-02 16:47:09	V	20 39 34.68	+25 23 23.6	14.3	V	247
2021-08-02 16:47:09	v	1 134.17916	+34.51205	–	–	247
2021-08-02 16:48:08	V	20 39 34.73	+25 23 28.9	14.4	V	247
2021-08-02 16:48:08	v	1 134.17916	+34.51205	–	–	247
2021-08-02 16:49:08	V	20 39 34.85	+25 23 33.7	14.3	V	247
2021-08-02 16:49:08	v	1 134.17916	+34.51205	–	–	247
2021-08-02 16:50:07	V	20 39 34.99	+25 23 39.2	14.4	V	247
2021-08-02 16:50:07	v	1 134.17916	+34.51205	–	–	247
2021-08-02 16:51:07	V	20 39 35.08	+25 23 44.2	14.7	V	247
2021-08-02 16:51:07	v	1 134.17916	+34.51205	–	–	247
2021-08-02 16:52:06	V	20 39 35.16	+25 23 48.7	14.9	V	247
2021-08-02 16:52:06	v	1 134.17916	+34.51205	–	–	247
2021-08-02 16:53:06	V	20 39 35.28	+25 23 54.3	15.1	V	247
2021-08-02 16:53:06	v	1 134.17916	+34.51205	–	–	247
2021-08-02 16:53:59	S	20 38 53.222	+24 36 47.56	–	V	C57
2021-08-02 16:53:59	s	1 -178895.72	2 +279107.11	220.0	–	C57
2021-08-02 16:54:06	V	20 39 35.36	+25 23 59.3	14.8	V	247
2021-08-02 16:54:06	v	1 134.17916	+34.51205	–	–	247
2021-08-02 16:55:05	V	20 39 35.49	+25 24 04.3	14.5	V	247
2021-08-02 16:55:05	v	1 134.17916	+34.51205	–	–	247
2021-08-02 16:56:05	V	20 39 35.59	+25 24 10.0	14.5	V	247
2021-08-02 16:56:05	v	1 134.17916	+34.51205	–	–	247
2021-08-02 16:57:04	V	20 39 35.69	+25 24 14.7	14.5	V	247
2021-08-02 16:57:04	v	1 134.17916	+34.51205	–	–	247
2021-08-02 16:58:04	V	20 39 35.78	+25 24 19.6	14.6	V	247
2021-08-02 16:58:04	v	1 134.17916	+34.51205	–	–	247
2021-08-02 16:59:03	V	20 39 35.88	+25 24 25.0	14.8	V	247
2021-08-02 16:59:03	v	1 134.17916	+34.51205	–	–	247
2021-08-02 17:03:59	S	20 38 54.886	+24 37 39.47	–	V	C57
2021-08-02 17:03:59	s	1 -179114.42	2 +278637.73	6000.0	–	C57
2021-08-02 17:09:44	V	20 39 36.98	+25 25 20.3	14.6	V	247
2021-08-02 17:09:44	v	1 134.17916	+34.51205	–	–	247
2021-08-02 17:13:59	S	20 38 56.642	+24 38 32.39	–	V	C57
2021-08-02 17:13:59	s	1 -179332.44	6 +278167.30	9560.0	–	C57
2021-08-02 17:16:41	V	20 39 37.68	+25 25 56.0	14.5	V	247
2021-08-02 17:16:41	v	1 134.17916	+34.51205	–	–	247
2021-08-02 17:18:40	V	20 39 37.89	+25 26 06.7	15.8	V	247
2021-08-02 17:18:40	v	1 134.17916	+34.51205	–	–	247
2021-08-02 17:19:39	V	20 39 37.99	+25 26 11.9	15.1	V	247
2021-08-02 17:19:39	v	1 134.17916	+34.51205	–	–	247
2021-08-02 17:20:39	V	20 39 38.09	+25 26 16.8	15.0	V	247
2021-08-02 17:20:39	v	1 134.17916	+34.51205	–	–	247
2021-08-02 17:21:38	V	20 39 38.19	+25 26 21.9	14.9	V	247
2021-08-02 17:21:38	v	1 134.17916	+34.51205	–	–	247
2021-08-02 17:22:38	V	20 39 38.29	+25 26 27.2	15.2	V	247
2021-08-02 17:22:38	v	1 134.17916	+34.51205	–	–	247
2021-08-02 17:23:38	V	20 39 38.39	+25 26 32.2	15.3	V	247
2021-08-02 17:23:38	v	1 134.17916	+34.51205	–	–	247
2021-08-02 17:23:59	S	20 38 58.358	+24 39 24.88	–	V	C57
2021-08-02 17:23:59	s	1 -179549.79	3 +277695.82	900.0	–	C57

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285571 (2000 PQ9)