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
1998-04-19 07:31:56 C 12 04 37.90 +05 23 52.8 a 704
1998-04-20 03:18:01 C 12 02 04.47 +05 32 46.8 18.1 a 704
1998-04-20 03:47:02 C 12 02 00.57 +05 32 59.6 a 704
1998-04-20 04:16:15 C 12 01 56.64 +05 33 13.9 18.5 a 704
1998-04-20 04:45:15 C 12 01 52.71 +05 33 25.9 a 704
1998-04-20 05:03:29 C 12 01 50.47 +05 33 34.2 z 670
1998-04-20 05:15:21 C 12 01 48.55 +05 33 38.1 19.3 a 704
1998-04-20 05:34:29 C 12 01 46.28 +05 33 48.6 z 670
1998-04-20 06:03:29 C 12 01 42.37 +05 34 01.5 z 670
1998-04-20 19:56:52 C 11 59 54.00 +05 40 03.8 557
1998-04-20 20:31:05 C 11 59 49.43 +05 40 18.7 557
1998-04-20 22:26:05 C 11 59 34.05 +05 41 08.5 557
1998-04-20 22:45:41 C 11 59 31.43 +05 41 17.2 557
1998-04-20 23:12:33 C 11 59 27.85 +05 41 29.4 046
1998-04-20 23:13:51 C 11 59 27.67 +05 41 29.9 046
1998-04-20 23:14:33 C 11 59 27.58 +05 41 29.6 557
1998-04-20 23:15:30 C 11 59 27.46 +05 41 30.7 046
1998-04-21 04:32:24 C 11 58 46.78 +05 43 51.1 z 700
1998-04-21 04:42:16 C 11 58 45.47 +05 43 55.2 z 700
1998-04-21 04:50:06 C 11 58 44.41 +05 43 58.5 z 700
1998-04-22 21:13:28 C 11 53 28.68 +06 00 52.4 z 127
1998-04-22 21:18:35 C 11 53 27.98 +06 00 54.6 z 127
1998-04-27 20:57:12 C 11 38 06.09 +06 44 49.8 557
1998-04-27 21:02:52 C 11 38 05.36 +06 44 51.7 557
1998-04-27 21:11:26 C 11 38 04.24 +06 44 54.3 557
1998-04-27 21:17:08 C 11 38 03.52 +06 44 56.2 557
1998-04-27 21:22:00 C 11 38 02.85 +06 44 58.3 a 561
1998-04-27 21:27:59 C 11 38 02.05 +06 45 00.4 a 561
1998-04-27 21:31:59 C 11 38 01.53 +06 45 02.2 a 561
1998-04-28 09:52:08 C 11 36 29.22 +06 49 22.2 422
1998-04-28 09:56:04 C 11 36 28.71 +06 49 22.9 422
1998-05-01 02:35:51 C 11 28 29.87 +07 07 41.0 z 727
1998-05-01 02:56:56 C 11 28 27.21 +07 07 45.7 z 727
1998-05-01 03:17:45 C 11 28 24.64 +07 07 51.5 z 727
1998-05-02 07:29:40 C 11 25 01.07 +07 15 01.0 c 566
1998-05-02 08:00:18 C 11 24 57.24 +07 15 08.1 c 566
1998-05-02 08:29:17 C 11 24 53.66 +07 15 15.1 c 566
1998-05-09 20:30:33 C 11 04 47.33 +07 44 56.2 046
1998-05-09 20:49:11 C 11 04 45.30 +07 44 57.8 046
1998-05-09 20:52:35 C 11 04 44.96 +07 44 58.3 046
1998-05-12 20:39:23 C 10 57 32.28 +07 49 47.3 046
1998-05-12 20:41:23 C 10 57 32.05 +07 49 47.4 046
1998-05-12 20:42:57 C 10 57 31.89 +07 49 47.3 046
1998-06-04 20:10:38 C 10 14 30.39 +06 46 12.4 118
1998-06-04 20:28:53 C 10 14 29.11 +06 46 08.8 118
1998-11-25 07:26:35 C 08 41 26.98 +28 15 55.1 18.3 a 704
1998-11-25 07:41:46 C 08 41 26.39 +28 15 59.7 18.6 a 704
1998-11-25 07:57:01 C 08 41 26.01 +28 16 08.8 18.6 a 704
1998-12-19 01:24:29 C 08 03 28.22 +32 50 13.3 c 561
1998-12-19 01:39:30 C 08 03 26.71 +32 50 20.0 c 561
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)