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
2014-12-29 17:18:48 C 06 31 46.29 +36 33 41.8 u 557
2014-12-29 17:54:55 C 06 31 41.94 +36 33 42.4 u 557
2014-12-29 18:22:20 C 06 31 38.64 +36 33 42.8 u 557
2014-12-29 19:56:35 C 06 31 27.24 +36 33 44.0 u 557
2014-12-29 20:36:55 C 06 31 22.34 +36 33 44.3 u 557
2014-12-30 00:16:29 C 06 30 55.59 +36 33 44.3 q 160
2014-12-30 00:18:23 C 06 30 55.36 +36 33 44.2 q 160
2014-12-30 00:20:19 C 06 30 55.13 +36 33 44.2 q 160
2014-12-30 02:35:38 C 06 30 38.71 +36 33 39.7 u 557
2014-12-30 03:05:47 C 06 30 35.10 +36 33 38.8 u 557
2014-12-30 03:33:10 C 06 30 31.82 +36 33 37.9 u 557
2014-12-31 03:48:45 C 06 27 41.71 +36 33 08.0 q I15
2014-12-31 03:55:09 C 06 27 40.94 +36 33 07.9 q I15
2014-12-31 04:01:28 C 06 27 40.19 +36 33 07.7 q I15
2014-12-31 23:04:47 C 06 25 28.48 +36 32 17.5 q 160
2014-12-31 23:06:44 C 06 25 28.33 +36 32 17.3 q 160
2014-12-31 23:08:42 C 06 25 28.17 +36 32 17.0 q 160
2015-01-02 00:23:15 C 06 22 37.52 +36 30 45.4 q 160
2015-01-02 00:25:10 C 06 22 37.31 +36 30 45.5 q 160
2015-01-02 00:27:06 C 06 22 37.05 +36 30 45.0 q 160
2015-01-04 22:04:00 C 06 15 11.93 +36 24 01.9 q 160
2015-01-04 22:06:04 C 06 15 11.58 +36 24 01.8 q 160
2015-01-04 22:08:06 C 06 15 11.43 +36 24 01.7 q 160
2015-01-05 22:41:32 C 06 12 42.94 +36 20 51.6 q 160
2015-01-05 22:43:36 C 06 12 42.72 +36 20 51.4 q 160
2015-01-05 22:45:40 C 06 12 42.49 +36 20 51.1 q 160
2015-01-06 21:08:32 C 06 10 31.85 +36 17 38.3 c A24
2015-01-06 21:09:34 C 06 10 31.75 +36 17 38.4 c A24
2015-01-06 21:43:22 C 06 10 28.40 +36 17 33.8 c A24
2015-01-06 21:44:25 C 06 10 28.29 +36 17 33.3 c A24
2015-01-06 22:11:43 C 06 10 25.57 +36 17 29.6 c A24
2015-01-06 22:12:45 C 06 10 25.48 +36 17 29.6 c A24
2015-01-08 05:52:06 C 06 07 27.35 +36 12 28.8 u H21
2015-01-08 05:55:02 C 06 07 27.08 +36 12 28.5 u H21
2015-01-08 05:56:56 C 06 07 26.89 +36 12 28.2 u H21
2015-01-08 05:58:40 C 06 07 26.70 +36 12 27.6 u H21
2015-01-08 06:00:24 C 06 07 26.55 +36 12 27.4 u H21
2015-01-08 06:02:14 C 06 07 26.37 +36 12 26.9 u H21
2015-01-08 06:04:42 C 06 07 26.12 +36 12 26.5 u H21
2015-01-12 21:13:43 C 05 58 08.36 +35 51 08.4 q 160
2015-01-12 21:15:46 C 05 58 08.19 +35 51 08.3 q 160
2015-01-12 21:17:47 C 05 58 08.03 +35 51 07.8 q 160
2015-01-17 18:08:18 C 05 50 14.76 +35 24 29.8 q K14
2015-01-17 19:13:03 C 05 50 10.93 +35 24 16.9 q K14
2015-01-17 19:53:19 C 05 50 08.36 +35 24 08.0 q K14
2015-01-25 23:01:41 C 05 41 07.83 +34 35 50.9 q 160
2015-01-25 23:02:39 C 05 41 07.78 +34 35 50.6 q 160
2015-01-25 23:03:37 C 05 41 07.73 +34 35 50.4 q 160
2015-01-26 21:40:25 C 05 40 24.16 +34 30 13.8 q 160
2015-01-26 21:43:24 C 05 40 24.10 +34 30 13.0 q 160
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)