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 Period1.78396062 yr ± 1.98e-10
NGA Modelr2
A2-3.65552045e-15 AU/d²
Physical Parameters
H (abs. magnitude)16.09
G (slope)0.09
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.157″
Uncertainty0
Orbit TypeApollo
MOID0.026219 AU
Observations Used3111
Radar Obs Used17
Gaia Obs Used151
Oppositions38
Arc Total1930-2026
First Observation Used1932-05-08
Last Observation Used2026-03-20
Observations (3481)
Date Type RA Dec Mag Band Observatory
1999-01-16 04:50:26 C 06 52 21.70 +35 12 48.6 18.4 a 704
1999-01-16 05:22:04 C 06 52 18.80 +35 12 47.1 18.4 a 704
1999-01-16 05:53:51 C 06 52 15.79 +35 12 46.3 18.3 a 704
1999-01-16 06:25:27 C 06 52 12.89 +35 12 46.4 18.6 a 704
1999-01-19 04:31:54 C 06 46 08.99 +35 08 32.3 17.7 a 704
1999-01-19 05:03:59 C 06 46 06.36 +35 08 28.8 18.8 a 704
1999-01-19 05:36:04 C 06 46 03.50 +35 08 28.7 18.4 a 704
1999-01-19 06:40:00 C 06 45 57.89 +35 08 23.2 19.1 a 704
1999-01-21 21:26:01 C 06 41 00.08 +35 02 22.1 z 108
1999-01-21 21:35:36 C 06 40 59.47 +35 02 20.8 z 108
1999-01-21 21:44:24 C 06 40 58.68 +35 02 17.0 z 108
2000-12-28 05:45:29 C 09 51 48.02 +23 44 42.5 715
2000-12-28 05:54:38 C 09 51 47.72 +23 44 46.4 715
2000-12-28 06:10:22 C 09 51 47.22 +23 44 51.6 715
2000-12-29 07:05:00 C 09 50 49.31 +23 54 08.6 715
2000-12-29 07:10:07 C 09 50 49.08 +23 54 09.9 715
2000-12-29 07:15:21 C 09 50 49.04 +23 54 10.4 715
2000-12-29 07:20:16 C 09 50 48.85 +23 54 11.9 715
2001-01-18 07:32:33 C 09 22 59.76 +27 07 40.5 18.9 c 704
2001-01-18 07:54:46 C 09 22 58.01 +27 07 49.0 19.2 c 704
2001-01-18 08:17:02 C 09 22 56.39 +27 07 57.0 18.8 c 704
2001-01-18 08:39:25 C 09 22 54.64 +27 08 05.8 19.5 c 704
2001-01-18 09:01:41 C 09 22 53.04 +27 08 15.2 19.2 c 704
2001-02-16 05:47:55 C 08 29 26.78 +30 02 14.7 c 704
2001-02-16 06:07:59 C 08 29 25.39 +30 02 15.8 c 704
2001-02-16 06:28:02 C 08 29 24.01 +30 02 18.0 c 704
2001-02-16 06:48:05 C 08 29 22.61 +30 02 18.9 c 704
2001-02-17 05:28:52 C 08 27 52.62 +30 03 57.9 18.8 c 704
2001-02-17 05:48:59 C 08 27 51.38 +30 03 58.9 19.5 c 704
2001-02-17 06:09:06 C 08 27 49.97 +30 04 00.0 19.1 c 704
2001-02-17 06:29:05 C 08 27 48.68 +30 04 01.4 18.9 c 704
2001-02-17 06:49:07 C 08 27 47.30 +30 04 03.0 19.2 c 704
2001-02-21 06:42:30 C 08 21 50.05 +30 08 14.0 19.4 c 704
2001-02-21 07:03:06 C 08 21 48.82 +30 08 14.3 18.7 c 704
2001-02-21 07:25:40 C 08 21 47.50 +30 08 14.4 19.2 c 704
2003-01-27 07:42:20 C 10 48 45.29 +18 19 43.7 c 704
2003-01-27 08:04:25 C 10 48 44.14 +18 19 53.3 c 704
2003-01-27 08:26:38 C 10 48 43.03 +18 20 01.7 c 704
2003-01-27 08:48:50 C 10 48 41.93 +18 20 10.9 c 704
2003-01-27 09:11:25 C 10 48 40.79 +18 20 20.0 c 704
2003-01-28 09:16:56 C 10 47 29.53 +18 29 59.2 c 704
2003-01-28 09:38:57 C 10 47 28.36 +18 30 07.5 c 704
2003-01-28 10:01:12 C 10 47 27.23 +18 30 17.4 c 704
2003-01-28 10:23:19 C 10 47 26.07 +18 30 25.5 c 704
2003-01-30 09:40:11 C 10 44 59.24 +18 49 40.6 c 704
2003-01-30 10:02:27 C 10 44 58.03 +18 49 50.4 c 704
2003-01-30 10:24:25 C 10 44 56.83 +18 49 58.7 c 704
2003-01-30 10:46:25 C 10 44 55.55 +18 50 08.0 c 704
2003-02-06 06:48:41 C 10 35 19.40 +19 58 37.5 o 704
2003-02-06 07:10:52 C 10 35 18.29 +19 58 45.4 o 704
Radar Observations (34)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
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)