1862 Apollo (1932 HA)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.5599179897 ± 2.85e-09
Semi-major axis (a)	1.4709238044 AU ± 1.09e-10
Inclination (i)	6.35139761° ± 4.53e-07
Long. of Asc. Node (Ω)	35.54167131° ± 4.58e-06
Arg. of Perihelion (ω)	286.05084587° ± 4.67e-06
Mean Anomaly (M)	113.88452883° ± 7.53e-07
Mean Motion (n)	0.5524932947°/day ± 6.14e-11
Perihelion dist (q)	0.64732710 AU ± 4.19e-09
Aphelion dist (Q)	2.29452050 AU ± 4.19e-09
Orbital Period	1.78396062 yr ± 1.98e-10
NGA Model	r2
A2	-3.65552045e-15 AU/d²

Physical Parameters

H (abs. magnitude)	16.09
G (slope)	0.09

Orbit Solution

Source	IAA
Solution Date	2026-05-31
RMS Residual	0.157″
Uncertainty	0
Orbit Type	Apollo
MOID	0.026219 AU
Observations Used	3111
Radar Obs Used	17
Gaia Obs Used	151
Oppositions	38
Arc Total	1930-2026
First Observation Used	1932-05-08
Last Observation Used	2026-03-20

Observations (3481)

Date	Type	RA	Dec	Mag	Band	Observatory
2023-04-20 08:17:33	C	13 01 50.380	-02 04 32.38	–	V	703
2023-04-20 08:25:08	C	13 01 49.127	-02 04 28.60	–	V	703
2023-04-20 20:50:24	C	12 59 50.683	-01 58 17.56	–	V	L92
2023-04-20 21:00:17	C	12 59 48.994	-01 58 12.46	–	V	L92
2023-04-20 21:10:40	C	12 59 47.387	-01 58 07.11	–	V	L92
2023-04-20 21:21:02	C	12 59 45.543	-01 58 02.29	–	V	L92
2023-04-21 07:21:13	C	12 58 06.956	-01 52 55.60	–	V	703
2023-04-21 07:29:09	C	12 58 05.603	-01 52 51.49	–	V	703
2023-04-21 07:37:05	C	12 58 04.249	-01 52 47.57	–	V	703
2023-04-21 07:45:02	C	12 58 02.896	-01 52 43.46	–	V	703
2023-04-21 08:53:01	C	12 57 51.548	-01 52 10.68	–	V	U74
2023-04-21 08:57:49	C	12 57 50.689	-01 52 08.57	–	V	U74
2023-04-21 09:27:50	C	12 57 45.632	-01 51 52.70	–	V	U74
2023-04-21 09:32:38	C	12 57 44.809	-01 51 50.28	–	V	U74
2023-04-21 19:12:59	C	12 56 09.86	-01 47 00.5	–	c	M31
2023-04-21 19:18:09	C	12 56 08.97	-01 46 57.4	–	c	M31
2023-04-21 20:28:43	C	12 55 57.10	-01 46 18.8	–	X	G02
2023-04-21 20:36:23	C	12 55 55.78	-01 46 14.9	–	X	G02
2023-04-21 20:43:47	C	12 55 54.51	-01 46 11.2	–	X	G02
2023-04-22 21:02:14	C	12 51 46.414	-01 33 33.98	–	V	160
2023-04-22 21:07:43	C	12 51 45.432	-01 33 31.14	–	V	160
2023-04-22 21:12:55	C	12 51 44.501	-01 33 28.48	–	V	160
2023-04-23 03:50:53	C	12 50 34.865	-01 29 26.77	–	V	W68
2023-04-23 03:56:07	C	12 50 33.929	-01 29 24.00	–	V	W68
2023-04-23 04:04:38	C	12 50 32.374	-01 29 19.54	–	V	W68
2023-04-23 04:18:59	C	12 50 29.774	-01 29 11.90	–	V	W68
2023-04-23 19:27:57	C	12 47 50.625	-01 21 43.66	–	V	L92
2023-04-23 19:32:37	C	12 47 49.743	-01 21 40.91	–	V	L92
2023-04-23 19:37:49	C	12 47 48.836	-01 21 38.47	–	V	L92
2023-04-23 19:43:00	C	12 47 47.834	-01 21 35.33	–	V	L92
2023-04-23 19:53:26	C	12 47 45.993	-01 21 30.47	–	V	L92
2023-04-23 19:58:37	C	12 47 44.924	-01 21 27.74	–	V	L92
2023-04-24 06:45:04	C	12 45 48.118	-01 15 40.90	–	V	703
2023-04-24 06:52:47	C	12 45 46.674	-01 15 36.58	–	V	703
2023-04-24 07:00:31	C	12 45 45.216	-01 15 32.54	–	V	703
2023-04-24 07:08:15	C	12 45 43.772	-01 15 28.26	–	V	703
2023-04-25 20:38:09	C	12 38 48.02	-00 55 19.9	–	V	C40
2023-04-25 20:45:35	C	12 38 46.57	-00 55 15.9	–	V	C40
2023-04-25 20:53:02	C	12 38 45.11	-00 55 11.8	–	V	C40
2023-04-25 21:05:10	C	12 38 42.76	-00 55 05.2	–	V	C40
2023-04-25 21:12:36	C	12 38 41.31	-00 55 01.1	–	V	C40
2023-04-25 21:20:02	C	12 38 39.85	-00 54 57.0	–	V	C40
2023-04-26 01:09:33	C	12 37 57.70	-00 52 50.4	–	X	W62
2023-04-26 01:16:42	C	12 37 56.31	-00 52 46.6	–	X	W62
2023-04-26 01:23:38	C	12 37 54.96	-00 52 42.9	–	X	W62
2023-04-26 06:25:30	C	12 36 56.358	-00 49 54.88	–	V	703
2023-04-26 06:27:00	C	12 36 56.063	-00 49 53.94	–	V	703
2023-04-26 06:28:29	C	12 36 55.760	-00 49 53.29	–	V	703
2023-04-26 06:29:59	C	12 36 55.465	-00 49 52.21	–	V	703
2023-04-27 07:12:13	C	12 32 07.732	-00 36 18.61	–	V	703

« Prev 1 2 … 51 52 53 … 69 70 Next » 3481 observations

Radar Observations (34)

Epoch (UTC)	Value	Sigma	Units	Freq (MHz)	Receiver	Transmitter
1980-11-13 21:51:00	-11441	4	Hz	2380	-1	-1
1980-11-13.910417	-1144100	200	Hz	2380	251	251
1980-11-14 22:19:00	-68200	4	Hz	2380	-1	-1
1980-11-14.929861	-6820000	200	Hz	2380	251	251
1980-11-15 22:13:00	-116132	4	Hz	2380	-1	-1
1980-11-15 23:48:00	60502961	20	us	2380	-1	-1
1980-11-15.925694	-11613200	200	Hz	2380	251	251
1980-11-15.991667	6050296100	20000	us	2380	251	251
1980-11-16 22:07:00	-155158	4	Hz	2380	-1	-1
1980-11-16 22:59:00	65410020	20	us	2380	-1	-1
1980-11-16 23:52:00	65622708	20	us	2380	-1	-1
1980-11-16.921528	-15515800	400	Hz	2380	251	251
1980-11-16.957639	6541002000	20000	us	2380	251	251
1980-11-16.994444	6562270800	20000	us	2380	251	251
1980-11-18 00:02:00	-190851	2	Hz	2380	-1	-1
1980-11-18 00:25:00	72158416	20	us	2380	-1	-1
1980-11-18 23:54:00	-213090	2	Hz	2380	-1	-1
1980-11-18.001389	-19085100	200	Hz	2380	251	251
1980-11-18.017361	7215841600	20000	us	2380	251	251
1980-11-18.995833	-21309000	200	Hz	2380	251	251
1980-11-20 00:31:00	-231568	2	Hz	2380	-1	-1
1980-11-20.021528	-23156800	200	Hz	2380	251	251
1980-11-21 00:42:00	-244953	2	Hz	2380	-1	-1
1980-11-21.029167	-24495300	200	Hz	2380	251	251
2005-10-29 14:00:00	173284.4426	3	Hz	2380	-1	-1
2005-10-29.583333	17328444	300	Hz	2380	251	251
2005-10-30 13:42:00	98324079.05	2	us	2380	-1	-1
2005-10-30.570833	9832407905	2000	us	2380	251	251
2005-11-01 13:00:00	88027594.991	2.5	us	2380	-1	-1
2005-11-01.541667	8802759499	2500	us	2380	251	251
2005-11-02 12:14:00	83885961.44	3	us	2380	-1	-1
2005-11-02.509722	8388596144	3000	us	2380	251	251
2005-11-13 16:50:00	96127871	2	us	8560	-14	-14
2005-11-13.701389	9612787100	2000	us	8560	253	253

Station codes

-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)