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
2021-03-06 07:12:07	C	11 14 39.07	+15 05 27.7	–	V	G96
2021-03-06 07:19:30	C	11 14 38.50	+15 05 30.8	–	V	G96
2021-03-06 07:26:53	C	11 14 37.91	+15 05 33.9	–	V	G96
2021-03-06 07:34:15	C	11 14 37.33	+15 05 37.1	–	V	G96
2021-03-07 01:59:03	C	11 13 12.92	+15 13 29.4	–	V	W46
2021-03-07 02:29:46	C	11 13 10.51	+15 13 43.2	–	V	W46
2021-03-07 02:59:21	C	11 13 08.16	+15 13 55.0	–	V	W46
2021-03-07 07:49:37	C	11 12 45.46	+15 16 00.9	–	V	703
2021-03-07 07:57:09	C	11 12 44.88	+15 16 03.6	–	V	703
2021-03-07 08:04:41	C	11 12 44.26	+15 16 07.0	–	V	703
2021-03-07 08:12:12	C	11 12 43.68	+15 16 10.2	–	V	703
2021-03-08 22:34:46	C	11 09 45.12	+15 32 16.8	–	V	130
2021-03-08 22:37:27	C	11 09 44.90	+15 32 18.0	–	V	130
2021-03-08 22:39:44	C	11 09 44.73	+15 32 18.5	–	V	130
2021-03-09 05:00:17	C	11 09 15.20	+15 34 57.9	–	V	G96
2021-03-09 05:07:59	C	11 09 14.58	+15 35 01.2	–	V	G96
2021-03-09 05:14:10	C	11 09 14.09	+15 35 03.7	–	V	G96
2021-03-09 05:20:20	C	11 09 13.60	+15 35 06.3	–	V	G96
2021-03-10 07:55:39	C	11 07 08.27	+15 45 59.5	–	V	703
2021-03-10 08:03:11	C	11 07 07.65	+15 46 02.7	–	V	703
2021-03-10 08:10:44	C	11 07 07.07	+15 46 05.5	–	V	703
2021-03-10 08:18:16	C	11 07 06.40	+15 46 08.4	–	V	703
2021-03-12 00:07:27	C	11 03 58.20	+16 02 06.6	–	V	221
2021-03-12 00:17:26	C	11 03 57.38	+16 02 10.4	–	V	221
2021-03-12 00:28:29	C	11 03 56.48	+16 02 14.8	–	V	221
2021-03-12 00:39:44	C	11 03 55.56	+16 02 19.2	–	V	221
2021-03-12 00:51:06	C	11 03 54.63	+16 02 23.4	–	V	221
2021-03-12 01:02:23	C	11 03 53.74	+16 02 28.0	–	V	221
2021-03-18 07:10:24	C	10 52 05.56	+16 56 15.1	–	V	703
2021-03-18 07:17:58	C	10 52 04.92	+16 56 18.0	–	V	703
2021-03-18 07:25:33	C	10 52 04.34	+16 56 19.9	–	V	703
2021-03-18 07:33:07	C	10 52 03.75	+16 56 22.6	–	V	703
2021-03-18 10:05:11	C	10 51 51.96	+16 57 13.7	–	V	T05
2021-03-18 10:09:54	C	10 51 51.58	+16 57 15.9	–	V	T05
2021-03-18 10:19:57	C	10 51 50.78	+16 57 18.5	–	V	T05
2021-03-18 10:47:23	C	10 51 48.63	+16 57 27.2	–	V	T05
2021-03-19 07:12:30	C	10 50 13.94	+17 03 54.4	–	V	G96
2021-03-19 07:20:00	C	10 50 13.34	+17 03 56.7	–	V	G96
2021-03-19 07:27:31	C	10 50 12.75	+17 03 59.0	–	V	G96
2021-03-19 07:35:02	C	10 50 12.16	+17 04 01.3	–	V	G96
2021-03-20 08:30:39	C	10 48 17.30	+17 11 38.2	–	o	691
2021-03-20 09:04:14	C	10 48 14.66	+17 11 47.9	–	o	691
2021-03-20 09:36:14	C	10 48 12.21	+17 11 57.4	–	o	691
2021-03-20 09:41:23	C	10 48 12.09	+17 12 00.8	–	V	T08
2021-03-20 09:46:02	C	10 48 11.74	+17 12 02.1	–	V	T08
2021-03-20 09:56:09	C	10 48 10.94	+17 12 05.4	–	V	T08
2021-03-20 10:29:48	C	10 48 08.28	+17 12 15.0	–	V	T08
2021-03-21 14:14:55	C	10 46 02.21	+17 20 17.1	–	q	D29
2021-03-21 14:35:17	C	10 46 00.54	+17 20 22.2	–	q	D29
2021-03-21 14:55:39	C	10 45 59.05	+17 20 28.6	–	q	D29

« Prev 1 2 … 36 37 38 … 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)