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
1980-11-19 02:28:00 A 23 37 32.34 +26 22 57.9 688
1980-11-24 09:54:30 A 00 59 57.58 +29 26 56.9 14.0 372
1980-11-26 12:23:30 A 01 18 12.78 +29 40 31.5 13.5 372
1980-11-26 12:31:00 A 01 18 15.08 +29 40 33.1 372
1980-11-27 21:02:00 A 01 27 43.14 +29 43 17.2 494
1980-11-29 03:09:00 A 01 35 17.24 +29 43 57.4 688
1980-11-29 03:15:59 A 01 35 18.77 +29 43 58.3 688
1980-11-29 03:22:59 A 01 35 20.35 +29 43 58.3 688
1980-12-01 11:27:19 A 01 47 02.75 +29 41 21.6 14.0 386
1980-12-01 11:37:30 A 01 47 04.36 +29 41 20.6 386
1980-12-06 22:14:59 A 02 06 55.80 +29 27 53.2 552
1980-12-06 22:38:00 A 02 06 58.53 +29 27 48.9 552
1980-12-15 01:24:29 A 02 27 08.07 +29 06 52.3 A 801
1981-01-11 01:42:02 A 03 13 45.72 +28 38 55.0 A 801
1982-03-25 09:05:28 A 14 48 43.74 -10 39 50.0 A 801
1982-04-16 00:58:00 A 14 39 08.10 -11 58 08.7 15.5 026
1982-04-18 08:32:59 A 14 35 23.92 -12 11 37.1 688
1982-04-18 09:22:59 A 14 35 19.87 -12 11 51.7 688
1982-04-19 00:15:00 A 14 34 11.02 -12 15 50.9 15.2 026
1982-04-19 06:04:38 A 14 33 42.22 -12 17 25.5 A 801
1982-04-22 23:54:35 A 14 24 49.91 -12 46 05.8 519
1982-04-23 00:18:08 A 14 24 47.00 -12 46 13.4 519
1982-04-23 00:25:56 A 14 24 46.05 -12 46 17.6 519
1982-04-23 00:33:40 A 14 24 45.03 -12 46 19.2 519
1982-04-23 00:50:15 A 14 24 43.02 -12 46 24.7 519
1982-04-26 22:14:07 A 14 11 12.69 -13 26 36.0 542
1982-04-26 22:21:57 A 14 11 11.28 -13 26 39.0 542
1982-04-26 22:30:14 A 14 11 09.60 -13 26 40.5 542
1982-04-27 06:34:26 A 14 09 43.00 -13 30 39.9 z 704
1982-04-27 06:41:17 A 14 09 41.70 -13 30 48.3 z 704
1982-04-27 06:54:04 A 14 09 39.42 -13 30 54.7 z 704
1982-04-27 07:11:13 A 14 09 35.69 -13 31 01.6 z 704
1982-04-27 07:34:20 A 14 09 31.49 -13 31 09.2 z 704
1982-04-27 07:57:07 A 14 09 26.67 -13 31 25.2 z 704
1982-04-27 08:00:23 A 14 09 26.19 -13 31 27.2 z 704
1982-04-27 08:27:29 A 14 09 20.66 -13 31 38.9 z 704
1982-04-27 08:42:56 A 14 09 17.89 -13 31 50.0 z 704
1982-04-27 22:04:55 A 14 06 47.24 -13 39 09.2 13.0 046
1982-04-27 22:25:20 A 14 06 43.08 -13 39 20.0 046
1982-04-27 23:40:16 A 14 06 27.56 -13 40 01.3 13.0 046
1982-04-27 23:46:40 A 14 06 26.24 -13 40 06.3 046
1982-04-28 03:45:40 A 14 05 41.64 -13 42 11.0 z 704
1982-04-28 05:34:07 A 14 05 18.60 -13 43 11.1 z 704
1982-04-28 06:32:48 A 14 05 05.92 -13 43 42.3 z 704
1982-04-29 03:38:11 A 14 00 37.14 -13 56 00.8 z 704
1989-04-07 05:10:00 11 20 03.73 +12 21 06.6 261
1989-04-07 06:04:59 11 19 58.86 +12 21 24.1 261
1989-11-09 11:35:59 08 18 38.89 +28 44 11.9 261
1989-11-09 12:51:00 08 18 33.38 +28 45 09.9 261
1989-11-27 08:34:05 A 07 35 54.92 +34 06 25.5 801
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)