159402 — IAA Minor Planet Database

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.5718875683 ± 2.00e+00
Semi-major axis (a)	2.3795249535 AU ± 3.00e+00
Inclination (i)	7.57251847° ± 4.00e+00
Long. of Asc. Node (Ω)	356.82026746° ± 5.00e+00
Arg. of Perihelion (ω)	47.64325814° ± 6.00e+00
Mean Anomaly (M)	134.48005294° ± 3.87e-06
Mean Motion (n)	0.2685201499°/day ± 5.08e-01
Perihelion dist (q)	1.01870421 AU ± 4.93e+00
Aphelion dist (Q)	3.74034569 AU ± 6.70e+00
Orbital Period	3.67058593 yr ± 6.94e+00
NGA Model	r2
A2	-2.57489810e-06 AU/d²

Physical Parameters

H (abs. magnitude)	16.61
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-04-26
RMS Residual	0.312″
Uncertainty	0
Orbit Type	Amor
MOID	0.075364 AU
Observations Used	4898
Gaia Obs Used	83
Oppositions	12
Arc Total	1999-2016
First Observation Used	1999-01-14
Last Observation Used	2025-05-02

Observations (5945)

Date	Type	RA	Dec	Mag	Band	Observatory
2020-10-06 17:43:34	C	22 30 46.01	+12 38 34.3	–	V	C40
2020-10-06 17:44:45	C	22 30 45.92	+12 38 40.8	–	V	C40
2020-10-06 17:45:57	C	22 30 45.83	+12 38 47.3	–	V	C40
2020-10-06 17:47:11	C	22 30 45.74	+12 38 53.8	–	V	C40
2020-10-06 17:48:22	C	22 30 45.66	+12 39 00.2	–	V	C40
2020-10-06 17:49:36	C	22 30 45.57	+12 39 06.6	–	V	C40
2020-10-06 17:50:47	C	22 30 45.48	+12 39 13.1	–	V	C40
2020-10-06 17:52:01	C	22 30 45.39	+12 39 19.6	–	V	C40
2020-10-06 17:53:13	C	22 30 45.30	+12 39 26.1	–	V	C40
2020-10-06 17:54:25	C	22 30 45.21	+12 39 32.5	–	V	C40
2020-10-06 17:56:22	C	22 30 45.06	+12 39 43.0	–	V	C40
2020-10-06 17:57:34	C	22 30 44.98	+12 39 49.6	–	V	C40
2020-10-06 17:58:47	C	22 30 44.89	+12 39 56.0	–	V	C40
2020-10-06 18:00:00	C	22 30 44.80	+12 40 02.4	–	V	C40
2020-10-06 18:01:11	C	22 30 44.71	+12 40 09.0	–	V	C40
2020-10-06 18:02:24	C	22 30 44.62	+12 40 15.4	–	V	C40
2020-10-06 18:03:36	C	22 30 44.53	+12 40 21.8	–	V	C40
2020-10-06 18:04:48	C	22 30 44.44	+12 40 28.4	–	V	C40
2020-10-06 18:06:02	C	22 30 44.35	+12 40 34.9	–	V	C40
2020-10-06 18:07:13	C	22 30 44.26	+12 40 41.2	–	V	C40
2020-10-06 18:08:27	C	22 30 44.17	+12 40 47.8	–	V	C40
2020-10-06 18:09:38	C	22 30 44.09	+12 40 54.3	–	V	C40
2020-10-06 18:10:52	C	22 30 44.00	+12 41 00.7	–	V	C40
2020-10-06 18:12:04	C	22 30 43.91	+12 41 07.1	–	V	C40
2020-10-06 18:13:15	C	22 30 43.82	+12 41 13.7	–	V	C40
2020-10-06 18:14:29	C	22 30 43.73	+12 41 20.3	–	V	C40
2020-10-06 18:15:40	C	22 30 43.64	+12 41 26.6	–	V	C40
2020-10-06 18:16:54	C	22 30 43.55	+12 41 33.1	–	V	C40
2020-10-06 18:18:06	C	22 30 43.47	+12 41 39.7	–	V	C40
2020-10-06 18:19:18	C	22 30 43.37	+12 41 46.2	–	V	C40
2020-10-06 18:20:31	C	22 30 43.28	+12 41 52.5	–	V	C40
2020-10-06 18:21:43	C	22 30 43.20	+12 41 59.2	–	V	C40
2020-10-06 18:22:56	C	22 30 43.11	+12 42 05.6	–	V	C40
2020-10-06 18:24:08	C	22 30 43.02	+12 42 12.0	–	V	C40
2020-10-06 18:25:20	C	22 30 42.93	+12 42 18.4	–	V	C40
2020-10-06 18:26:33	C	22 30 42.84	+12 42 25.0	–	V	C40
2020-10-06 18:27:45	C	22 30 42.75	+12 42 31.3	–	V	C40
2020-10-06 18:28:58	C	22 30 42.66	+12 42 37.8	–	V	C40
2020-10-06 18:30:10	C	22 30 42.57	+12 42 44.4	–	V	C40
2020-10-06 18:31:22	C	22 30 42.48	+12 42 50.8	–	V	C40
2020-10-06 18:32:36	C	22 30 42.39	+12 42 57.3	–	V	C40
2020-10-06 18:33:47	C	22 30 42.30	+12 43 03.7	–	V	C40
2020-10-06 18:35:01	C	22 30 42.21	+12 43 10.3	–	V	C40
2020-10-06 18:36:12	C	22 30 42.13	+12 43 16.7	–	V	C40
2020-10-06 18:37:26	C	22 30 42.03	+12 43 23.3	–	V	C40
2020-10-06 18:38:38	C	22 30 41.95	+12 43 29.7	–	V	C40
2020-10-06 18:39:50	C	22 30 41.85	+12 43 36.1	–	V	C40
2020-10-06 18:41:03	C	22 30 41.77	+12 43 42.6	–	V	C40
2020-10-06 18:42:14	C	22 30 41.68	+12 43 49.1	–	V	C40
2020-10-07 00:31:53	V	22 30 24.48	+13 15 23.7	13.3	V	247

« Prev 1 2 … 43 44 45 … 118 119 Next » 5945 observations

Epoch (UTC)	Value	Sigma	Units	Freq (MHz)	Receiver	Transmitter
2009-10-11 01:31:00	87906655.26	8	us	2380	-1	-1
2009-10-12 00:08:00	85713954.267	4	us	2380	-1	-1
2009-10-12 23:58:00	83619759.401	4	us	2380	-1	-1
2009-10-13 23:53:00	81754691.25	4	us	2380	-1	-1
2020-10-24 05:10:00	83056497.8	1	us	8560	-14	-14

159402 (1999 AP10)