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
2021-03-22 04:08:51	C	10 44 59.54	+17 24 13.1	–	V	703
2021-03-22 04:31:40	C	10 44 57.94	+17 24 16.7	–	V	703
2021-03-24 10:05:12	C	10 41 00.51	+17 38 14.0	–	V	T08
2021-03-24 10:09:14	C	10 41 00.21	+17 38 15.1	–	V	T08
2021-03-24 10:44:01	C	10 40 57.57	+17 38 23.3	–	V	T08
2021-03-24 10:55:26	C	10 40 56.77	+17 38 26.1	–	V	T08
2021-03-30 08:50:34	C	10 31 10.11	+18 07 23.7	–	V	T05
2021-03-30 09:01:47	C	10 31 09.40	+18 07 23.9	–	V	T05
2021-03-30 09:06:26	C	10 31 09.11	+18 07 24.6	–	V	T05
2021-03-30 09:20:47	C	10 31 08.09	+18 07 26.9	–	V	T05
2021-04-03 05:51:22	C	10 25 25.34	+18 20 00.7	–	V	703
2021-04-03 05:58:56	C	10 25 24.92	+18 20 00.3	–	V	703
2021-04-03 06:06:30	C	10 25 24.45	+18 20 00.4	–	V	703
2021-04-03 06:14:04	C	10 25 23.91	+18 20 00.7	–	V	703
2021-04-05 03:55:28	C	10 22 48.31	+18 24 27.4	–	V	G96
2021-04-05 04:02:24	C	10 22 47.92	+18 24 28.2	–	V	G96
2021-04-05 04:09:20	C	10 22 47.51	+18 24 28.6	–	V	G96
2021-04-05 04:16:15	C	10 22 47.13	+18 24 29.3	–	V	G96
2021-04-05 07:36:33	C	10 22 35.70	+18 24 45.8	–	o	691
2021-04-05 08:09:29	C	10 22 34.14	+18 24 50.1	–	V	T08
2021-04-05 08:13:54	C	10 22 33.60	+18 24 48.6	–	o	691
2021-04-05 08:26:34	C	10 22 33.19	+18 24 51.8	–	V	T08
2021-04-05 08:37:05	C	10 22 32.56	+18 24 52.2	–	V	T08
2021-04-05 08:45:14	C	10 22 32.15	+18 24 52.9	–	V	T08
2021-04-05 08:51:16	C	10 22 31.50	+18 24 51.2	–	o	691
2021-04-09 05:40:23	C	10 17 46.31	+18 30 00.9	–	V	703
2021-04-09 05:56:38	C	10 17 45.48	+18 30 02.3	–	V	703
2021-04-09 06:04:45	C	10 17 45.12	+18 30 02.2	–	V	703
2021-04-09 08:17:41	C	10 17 38.87	+18 30 08.6	–	V	T08
2021-04-09 08:31:47	C	10 17 38.16	+18 30 09.3	–	V	T08
2021-04-09 08:36:26	C	10 17 37.93	+18 30 09.2	–	V	T08
2021-04-09 08:58:50	C	10 17 36.83	+18 30 09.5	–	V	T08
2021-04-09 13:03:54	C	10 17 25.46	+18 30 14.9	–	q	D29
2021-04-09 13:24:16	C	10 17 24.48	+18 30 15.3	–	q	D29
2021-04-09 13:44:37	C	10 17 23.47	+18 30 15.8	–	q	D29
2021-04-13 05:31:27	C	10 13 34.91	+18 30 36.6	–	V	703
2021-04-13 05:39:02	C	10 13 34.62	+18 30 35.9	–	V	703
2021-04-13 05:46:36	C	10 13 34.32	+18 30 35.5	–	V	703
2021-04-13 05:54:12	C	10 13 33.99	+18 30 36.0	–	V	703
2021-04-18 04:38:14	C	10 09 26.18	+18 25 03.3	–	V	703
2021-04-18 04:46:28	C	10 09 25.93	+18 25 02.3	–	V	703
2021-04-18 04:54:42	C	10 09 25.61	+18 25 02.6	–	V	703
2021-04-18 05:02:55	C	10 09 25.35	+18 25 01.9	–	V	703
2021-04-19 04:41:39	C	10 08 44.44	+18 23 09.1	–	V	G96
2021-04-19 04:50:02	C	10 08 44.19	+18 23 08.2	–	V	G96
2021-04-19 04:58:24	C	10 08 43.95	+18 23 07.6	–	V	G96
2021-04-19 05:06:47	C	10 08 43.70	+18 23 06.8	–	V	G96
2021-05-01 06:52:53	C	10 04 00.76	+17 41 58.7	–	V	T05
2021-05-01 06:58:09	C	10 04 00.75	+17 41 57.8	–	V	T05
2021-05-01 06:58:49	C	10 04 00.69	+17 41 56.5	–	V	T05

« Prev 1 2 … 37 38 39 … 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)