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
2005-11-28 05:35:50 C 04 18 57.30 +40 42 41.0 c 704
2005-11-28 05:55:39 C 04 18 53.06 +40 42 17.8 c 704
2005-11-28 06:14:27 C 04 18 49.19 +40 41 56.3 c 704
2005-11-28 06:34:27 C 04 18 45.07 +40 41 33.1 c 704
2005-11-28 06:54:19 C 04 18 40.99 +40 41 09.9 c 704
2005-12-01 19:49:35 C 04 04 57.53 +39 08 00.3 r 113
2005-12-01 19:50:26 C 04 04 57.42 +39 07 59.3 r 113
2005-12-01 19:51:15 C 04 04 57.29 +39 07 58.7 r 113
2005-12-01 19:52:05 C 04 04 57.18 +39 07 58.0 r 113
2005-12-01 19:52:54 C 04 04 57.07 +39 07 57.1 r 113
2005-12-01 20:40:36 C 04 04 49.83 +39 07 05.4 o A32
2005-12-01 20:51:53 C 04 04 48.21 +39 06 54.2 o A32
2005-12-01 20:59:59 C 04 04 47.07 +39 06 46.0 o A32
2005-12-01 21:06:27 C 04 04 46.14 +39 06 39.7 o A32
2005-12-01 21:15:00 C 04 04 45.13 +39 06 35.7 r 143
2005-12-01 21:30:47 C 04 04 42.86 +39 06 20.0 r 143
2005-12-03 22:13:48 C 03 58 44.59 +38 18 45.4 r 084
2005-12-03 22:16:27 C 03 58 44.27 +38 18 42.7 r 084
2005-12-03 22:35:24 C 03 58 42.84 +38 18 35.9 r 170
2005-12-03 22:39:49 C 03 58 42.32 +38 18 31.9 r 170
2005-12-03 22:41:51 C 03 58 42.08 +38 18 29.9 r 170
2005-12-03 22:46:50 C 03 58 41.47 +38 18 25.5 r 170
2005-12-04 01:41:59 C 03 58 20.69 +38 15 35.2 r 204
2005-12-04 01:56:43 C 03 58 19.00 +38 15 20.9 r 204
2005-12-04 06:06:46 C 03 57 53.71 +38 11 42.7 r 703
2005-12-04 06:16:30 C 03 57 52.59 +38 11 33.7 r 703
2005-12-04 06:26:13 C 03 57 51.44 +38 11 24.8 r 703
2005-12-05 06:19:11 C 03 55 25.11 +37 49 53.9 m H07
2005-12-05 06:33:39 C 03 55 23.65 +37 49 40.5 m H07
2005-12-05 06:48:36 C 03 55 22.03 +37 49 27.1 m H07
2005-12-05 07:03:17 C 03 55 20.48 +37 49 14.0 m H07
2005-12-05 07:12:11 C 03 55 19.50 +37 49 05.6 m H07
2005-12-05 07:26:44 C 03 55 17.97 +37 48 52.6 m H07
2005-12-05 07:41:21 C 03 55 16.44 +37 48 39.4 m H07
2005-12-05 07:56:04 C 03 55 14.84 +37 48 25.9 m H07
2005-12-06 23:54:54 C 03 51 41.96 +37 14 16.2 o A32
2005-12-06 23:58:07 C 03 51 41.68 +37 14 13.6 o A32
2005-12-07 00:01:22 C 03 51 41.38 +37 14 10.7 o A32
2005-12-07 00:15:55 C 03 51 40.12 +37 13 58.6 o A32
2005-12-09 19:18:29 C 03 46 55.71 +36 22 06.7 o A32
2005-12-09 19:23:20 C 03 46 55.39 +36 22 03.3 o A32
2005-12-09 19:26:36 C 03 46 55.17 +36 22 01.1 o A32
2005-12-09 19:31:27 C 03 46 54.86 +36 21 57.7 o A32
2005-12-09 19:36:18 C 03 46 54.54 +36 21 54.1 o A32
2005-12-10 21:52:37 C 03 45 22.41 +36 03 10.7 r 084
2005-12-10 21:55:16 C 03 45 22.27 +36 03 08.6 r 084
2005-12-13 17:34:15 C 03 42 14.76 +35 18 42.7 r 084
2005-12-13 17:36:59 C 03 42 14.64 +35 18 41.0 r 084
2005-12-13 21:46:19 C 03 42 03.99 +35 16 08.2 r 084
2005-12-13 21:49:02 C 03 42 03.87 +35 16 06.4 r 084
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)