250577 — IAA Minor Planet Database

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.5177899759 ± 4.66e-08
Semi-major axis (a)	1.0498878886 AU ± 1.40e-09
Inclination (i)	46.88188522° ± 2.24e-05
Long. of Asc. Node (Ω)	315.75700687° ± 1.15e-05
Arg. of Perihelion (ω)	285.59238587° ± 1.04e-05
Mean Anomaly (M)	89.72869737° ± 1.12e-05
Mean Motion (n)	0.9162160334°/day ± 1.83e-09
Perihelion dist (q)	0.50626646 AU ± 4.90e-08
Aphelion dist (Q)	1.59350931 AU ± 4.90e-08
Orbital Period	1.07575752 yr ± 2.15e-09

Physical Parameters

H (abs. magnitude)	18.37
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-06-01
RMS Residual	0.541″
Uncertainty	0
Orbit Type	Apollo
MOID	0.073964 AU
Observations Used	255
Radar Obs Used	1
Oppositions	1
Arc Total	2004-2020
First Observation Used	2004-12-15
Last Observation Used	2025-10-09

Observations (400)

Date	Type	RA	Dec	Mag	Band	Observatory
2020-01-22 09:14:23	S	15 01 19.464	+63 57 09.54	–	V	C57
2020-01-22 09:14:23	s	1 +145947.38	5 +114146.68	4880.0	–	C57
2020-01-22 11:44:23	S	15 02 43.226	+64 01 33.71	–	V	C57
2020-01-22 11:44:23	s	1 +146504.00	2 +128444.60	7770.0	–	C57
2020-01-22 14:14:23	S	15 04 07.198	+64 06 02.56	–	V	C57
2020-01-22 14:14:23	s	1 +146437.20	2 +142199.34	8330.0	–	C57
2020-01-22 14:36:42	C	15 04 27.34	+64 26 45.2	–	V	T08
2020-01-22 14:41:29	C	15 04 29.69	+64 26 56.1	–	V	T08
2020-01-22 14:44:23	S	15 04 19.937	+64 06 40.86	–	V	C57
2020-01-22 14:44:23	s	1 +146356.37	1 +144886.79	3020.0	–	C57
2020-01-22 14:50:54	C	15 04 34.39	+64 27 17.6	–	V	T08
2020-01-22 15:07:57	C	15 04 42.85	+64 27 56.4	–	V	T08
2020-01-22 16:14:23	S	15 05 12.828	+64 09 27.68	–	V	C57
2020-01-22 16:14:23	s	1 +145989.46	8 +152825.01	9740.0	–	C57
2020-01-22 16:44:23	S	15 05 31.322	+64 10 27.52	–	V	C57
2020-01-22 16:44:23	s	1 +145827.47	9 +155430.25	9180.0	–	C57
2020-01-22 17:14:23	S	15 05 47.544	+64 11 19.57	–	V	C57
2020-01-22 17:14:23	s	1 +145646.49	1 +158015.34	1970.0	–	C57
2020-01-22 17:44:23	S	15 06 06.161	+64 12 15.55	–	V	C57
2020-01-22 17:44:23	s	1 +145446.98	4 +160580.44	8910.0	–	C57
2020-01-22 18:14:23	S	15 06 23.441	+64 13 11.71	–	V	C57
2020-01-22 18:14:23	s	1 +145229.42	4 +163125.71	800.0	–	C57
2020-01-22 18:44:23	S	15 06 39.881	+64 14 04.13	–	V	C57
2020-01-22 18:44:23	s	1 +144994.25	9 +165651.32	8400.0	–	C57
2020-01-22 19:14:23	S	15 06 57.142	+64 14 56.36	–	V	C57
2020-01-22 19:14:23	s	1 +144741.92	5 +168157.42	2440.0	–	C57
2020-01-22 19:44:23	S	15 07 15.876	+64 15 57.20	–	V	C57
2020-01-22 19:44:23	s	1 +144472.84	2 +170644.18	3640.0	–	C57
2020-01-22 20:14:23	S	15 07 32.801	+64 16 50.16	–	V	C57
2020-01-22 20:14:23	s	1 +144187.41	5 +173111.75	2690.0	–	C57
2020-01-22 20:44:23	S	15 07 52.147	+64 17 47.00	–	V	C57
2020-01-22 20:44:23	s	1 +143886.03	9 +175560.28	260.0	–	C57
2020-01-22 21:14:23	S	15 08 08.383	+64 18 42.37	–	V	C57
2020-01-22 21:14:23	s	1 +143569.09	4 +177989.94	7010.0	–	C57
2020-01-22 23:14:23	S	15 09 21.391	+64 22 32.48	–	V	C57
2020-01-22 23:14:23	s	1 +142152.83	9 +187522.87	8190.0	–	C57
2020-01-22 23:44:23	S	15 09 37.918	+64 23 22.52	–	V	C57
2020-01-22 23:44:23	s	1 +141763.36	2 +189860.43	9980.0	–	C57
2020-01-23 00:14:23	S	15 09 56.054	+64 24 20.38	–	V	C57
2020-01-23 00:14:23	s	1 +141360.36	7 +192180.02	4480.0	–	C57
2020-01-23 00:44:23	S	15 10 14.083	+64 25 16.50	–	V	C57
2020-01-23 00:44:23	s	1 +140944.15	9 +194481.78	2230.0	–	C57
2020-01-23 01:44:23	S	15 10 52.166	+64 27 17.82	–	V	C57
2020-01-23 01:44:23	s	1 +140073.28	7 +199032.39	9550.0	–	C57
2020-01-23 02:14:23	S	15 11 11.642	+64 28 14.45	–	V	C57
2020-01-23 02:14:23	s	1 +139619.19	1 +201281.53	100.0	–	C57
2020-01-23 04:14:23	S	15 12 24.730	+64 32 03.70	–	V	C57
2020-01-23 04:14:23	s	1 +137684.67	1 +210106.82	9310.0	–	C57
2020-01-23 05:14:23	S	15 13 03.636	+64 34 03.83	–	V	C57
2020-01-23 05:14:23	s	1 +136650.05	1 +214418.59	9330.0	–	C57

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250577 (2005 AC)