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
2020-11-19 01:22:57	v	1 016.33608	+48.20431	–	–	247
2020-11-19 01:37:53	V	10 23 42.46	+70 10 59.0	15.2	V	247
2020-11-19 01:37:53	v	1 016.33608	+48.20431	–	–	247
2020-11-19 01:48:29	V	10 23 41.30	+70 10 38.7	15.1	V	247
2020-11-19 01:48:29	v	1 016.33608	+48.20431	–	–	247
2020-11-20 21:43:01	C	10 19 35.33	+68 43 20.8	–	V	K85
2020-11-20 22:14:32	C	10 19 32.92	+68 42 24.9	–	V	K85
2020-11-21 09:56:21	C	10 18 31.40	+68 21 14.0	–	V	703
2020-11-21 10:03:37	C	10 18 30.61	+68 21 01.7	–	V	703
2020-11-21 10:21:15	C	10 18 28.63	+68 20 31.8	–	V	703
2020-11-21 10:28:31	C	10 18 27.80	+68 20 19.2	–	V	703
2020-11-21 19:05:01	V	10 17 38.49	+68 03 24.8	15.0	V	247
2020-11-21 19:05:01	v	1 006.25504	+46.54827	–	–	247
2020-11-21 19:51:22	V	10 17 35.51	+68 02 04.3	15.0	V	247
2020-11-21 19:51:22	v	1 006.25504	+46.54827	–	–	247
2020-11-21 20:03:16	V	10 17 34.79	+68 01 43.1	15.0	V	247
2020-11-21 20:03:16	v	1 006.25504	+46.54827	–	–	247
2020-11-21 20:13:52	V	10 17 34.11	+68 01 25.0	15.1	V	247
2020-11-21 20:13:52	v	1 006.25504	+46.54827	–	–	247
2020-11-21 20:24:27	V	10 17 33.47	+68 01 06.4	15.2	V	247
2020-11-21 20:24:27	v	1 006.25504	+46.54827	–	–	247
2020-11-21 20:35:03	V	10 17 32.80	+68 00 48.5	15.1	V	247
2020-11-21 20:35:03	v	1 006.25504	+46.54827	–	–	247
2020-11-21 20:46:58	V	10 17 31.81	+68 00 28.5	15.1	V	247
2020-11-21 20:46:58	v	1 006.25504	+46.54827	–	–	247
2020-11-21 20:57:33	V	10 17 31.21	+68 00 09.7	15.1	V	247
2020-11-21 20:57:33	v	1 006.25504	+46.54827	–	–	247
2020-11-21 21:08:09	V	10 17 30.44	+67 59 52.2	15.3	V	247
2020-11-21 21:08:09	v	1 006.25504	+46.54827	–	–	247
2020-11-21 21:20:04	V	10 17 29.37	+67 59 32.8	15.0	V	247
2020-11-21 21:20:04	v	1 006.25504	+46.54827	–	–	247
2020-11-21 21:30:39	V	10 17 28.86	+67 59 14.1	15.2	V	247
2020-11-21 21:30:39	v	1 006.25504	+46.54827	–	–	247
2020-11-21 21:41:15	V	10 17 28.13	+67 58 56.2	15.1	V	247
2020-11-21 21:41:15	v	1 006.25504	+46.54827	–	–	247
2020-11-21 21:51:50	V	10 17 27.35	+67 58 38.2	15.2	V	247
2020-11-21 21:51:50	v	1 006.25504	+46.54827	–	–	247
2020-11-21 22:02:26	V	10 17 26.57	+67 58 20.8	15.0	V	247
2020-11-21 22:02:26	v	1 006.25504	+46.54827	–	–	247
2020-11-21 22:23:06	V	10 17 24.95	+67 57 46.2	15.0	V	247
2020-11-21 22:23:06	v	1 006.25504	+46.54827	–	–	247
2020-11-21 22:35:01	V	10 17 24.03	+67 57 26.4	14.8	V	247
2020-11-21 22:35:01	v	1 006.25504	+46.54827	–	–	247
2020-11-21 22:46:56	V	10 17 23.04	+67 57 08.0	14.8	V	247
2020-11-21 22:46:56	v	1 006.25504	+46.54827	–	–	247
2020-11-21 22:57:31	V	10 17 22.32	+67 56 49.2	14.8	V	247
2020-11-21 22:57:31	v	1 006.25504	+46.54827	–	–	247
2020-11-21 23:08:07	V	10 17 21.43	+67 56 31.4	14.8	V	247
2020-11-21 23:08:07	v	1 006.25504	+46.54827	–	–	247
2020-11-21 23:18:42	V	10 17 20.53	+67 56 13.9	14.7	V	247

« Prev 1 2 … 83 84 85 … 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)