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
2021-11-28 02:58:32	C	22 32 46.50	+00 29 16.0	–	V	703
2021-11-28 07:00:34	C	22 34 42.15	+00 45 03.5	–	V	T05
2021-11-28 07:06:32	C	22 34 44.95	+00 45 26.6	–	V	T05
2021-11-28 07:15:48	C	22 34 49.31	+00 46 02.4	–	V	T05
2021-11-28 07:30:19	C	22 34 56.15	+00 46 58.5	–	V	T05
2021-12-01 00:54:46	C	23 04 39.69	+04 44 58.1	–	q	H45
2021-12-01 00:55:54	C	23 04 40.16	+04 45 01.9	–	q	H45
2021-12-01 00:56:56	C	23 04 40.61	+04 45 05.5	–	q	H45
2021-12-01 00:58:02	C	23 04 41.07	+04 45 09.2	–	q	H45
2021-12-01 00:59:54	C	23 04 41.85	+04 45 15.4	–	q	H45
2021-12-01 01:00:55	C	23 04 42.28	+04 45 18.9	–	q	H45
2021-12-01 03:35:23	C	23 05 47.68	+04 54 02.7	–	V	703
2021-12-01 03:43:41	C	23 05 51.13	+04 54 31.6	–	V	703
2021-12-01 03:52:00	C	23 05 54.65	+04 54 58.7	–	V	703
2021-12-01 04:00:18	C	23 05 58.12	+04 55 26.7	–	V	703
2021-12-02 19:40:00	C	23 22 18.36	+07 02 53.3	–	q	006
2021-12-02 19:41:28	C	23 22 18.91	+07 02 57.5	–	q	006
2021-12-02 19:42:56	C	23 22 19.48	+07 03 02.1	–	q	006
2021-12-02 19:44:23	C	23 22 20.08	+07 03 06.6	–	q	006
2021-12-02 19:45:52	C	23 22 20.63	+07 03 11.5	–	q	006
2021-12-02 19:47:20	C	23 22 21.21	+07 03 16.1	–	q	006
2021-12-02 19:48:48	C	23 22 21.81	+07 03 20.5	–	q	006
2021-12-02 19:50:16	C	23 22 22.35	+07 03 25.0	–	q	006
2021-12-03 03:29:13	C	23 25 23.38	+07 26 30.3	–	q	U55
2021-12-03 03:37:54	C	23 25 26.70	+07 26 56.3	–	q	U55
2021-12-03 03:47:36	C	23 25 30.42	+07 27 25.3	–	q	U55
2021-12-03 06:11:06	C	23 26 26.10	+07 34 48.4	–	V	T05
2021-12-03 06:15:23	C	23 26 27.73	+07 35 01.1	–	V	T05
2021-12-03 06:51:01	C	23 26 41.27	+07 36 46.8	–	V	T05
2021-12-03 07:13:39	C	23 26 49.86	+07 37 53.7	–	V	T05
2021-12-04 04:35:39	C	23 34 57.21	+08 39 23.0	–	V	703
2021-12-04 04:43:49	C	23 35 00.19	+08 39 45.6	–	V	703
2021-12-04 04:51:57	C	23 35 03.14	+08 40 07.2	–	V	703
2021-12-04 05:00:06	C	23 35 06.12	+08 40 30.1	–	V	703
2021-12-09 05:55:28	C	00 15 10.29	+13 26 41.5	–	V	T08
2021-12-09 06:05:32	C	00 15 13.17	+13 27 00.9	–	V	T08
2021-12-09 06:09:31	C	00 15 14.31	+13 27 09.1	–	V	T08
2021-12-09 06:30:33	C	00 15 20.32	+13 27 50.3	–	V	T08
2021-12-10 16:26:53	S	00 24 58.502	+14 31 25.18	–	L	C51
2021-12-10 19:35:01	S	00 25 50.038	+14 36 58.90	–	L	C51
2021-12-10 22:43:20	S	00 26 41.314	+14 42 29.38	–	L	C51
2021-12-11 00:17:24	S	00 27 06.81	+14 45 13.7	–	L	C51
2021-12-11 01:51:29	S	00 27 32.23	+14 47 57.1	–	L	C51
2021-12-11 03:24:48	S	00 27 57.37	+14 50 39.9	–	L	C51
2021-12-11 04:59:36	S	00 28 22.86	+14 53 21.7	–	L	C51
2021-12-11 06:33:40	S	00 28 48.05	+14 56 02.8	–	L	C51
2021-12-11 08:07:44	S	00 29 13.19	+14 58 43.4	–	L	C51
2021-12-11 09:41:49	S	00 29 38.23	+15 01 23.1	–	L	C51
2021-12-11 11:16:03	S	00 30 03.26	+15 04 01.9	–	L	C51
2021-12-11 12:50:07	S	00 30 28.17	+15 06 40.3	–	L	C51

« Prev 1 2 … 40 41 42 … 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)