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
2015-01-26 21:46:22 C 05 40 23.97 +34 30 11.6 q 160
2015-03-16 02:47:14 C 05 59 15.51 +30 57 19.2 R G45
2015-03-16 03:29:53 C 05 59 17.49 +30 57 12.8 R G45
2015-03-16 03:42:59 C 05 59 17.97 +30 57 11.4 R G45
2015-03-16 03:53:02 C 05 59 18.49 +30 57 09.8 R G45
2015-12-16 12:20:23 C 13 32 28.05 -05 52 52.6 q G96
2015-12-16 12:26:19 C 13 32 28.52 -05 52 55.3 q G96
2015-12-16 12:32:11 C 13 32 28.98 -05 52 58.4 q G96
2015-12-16 12:38:07 C 13 32 29.46 -05 53 01.5 q G96
2016-02-10 11:50:09 C 15 38 57.37 -16 45 45.8 R G45
2016-02-10 11:56:44 C 15 38 58.15 -16 45 49.0 R G45
2016-02-10 11:57:27 C 15 38 58.21 -16 45 49.1 R G45
2016-02-10 12:09:38 C 15 38 59.70 -16 45 55.8 R G45
2016-02-10 12:17:39 C 15 39 00.65 -16 45 59.5 R G45
2016-02-10 12:25:38 C 15 39 01.59 -16 46 03.6 R G45
2016-02-10 12:33:36 C 15 39 02.55 -16 46 07.7 R G45
2016-02-10 12:50:09 C 15 39 04.51 -16 46 16.0 R G45
2016-02-10 12:58:20 C 15 39 05.49 -16 46 20.2 R G45
2016-02-13 11:27:15 C 15 47 45.60 -17 21 32.7 R G45
2016-02-13 11:33:48 C 15 47 46.45 -17 21 35.8 R G45
2016-02-13 11:40:26 C 15 47 47.28 -17 21 39.2 R G45
2016-02-13 11:47:02 C 15 47 48.07 -17 21 42.5 R G45
2016-02-13 12:00:23 C 15 47 49.73 -17 21 49.3 R G45
2016-02-13 12:20:22 C 15 47 52.23 -17 21 59.3 R G45
2016-02-13 12:35:59 C 15 47 54.13 -17 22 07.1 R G45
2016-02-13 12:43:44 C 15 47 55.11 -17 22 11.4 R G45
2016-02-13 12:51:08 C 15 47 56.08 -17 22 14.0 R G45
2016-02-17 12:13:36 C 16 00 16.58 -18 10 00.7 R G45
2016-02-17 12:30:14 C 16 00 18.76 -18 10 09.0 R G45
2016-02-17 12:38:14 C 16 00 19.84 -18 10 13.0 R G45
2016-02-17 12:45:49 C 16 00 20.81 -18 10 16.6 R G45
2016-02-28 10:14:22 S 16 38 41.846 -20 20 05.46 L C51
2016-02-28 12:07:24 C 16 39 00.66 -20 21 08.5 R G45
2016-02-28 12:13:40 C 16 39 01.65 -20 21 11.9 R G45
2016-02-28 12:19:47 C 16 39 02.64 -20 21 15.3 R G45
2016-02-28 12:26:14 C 16 39 03.67 -20 21 18.2 R G45
2016-02-28 12:37:20 C 16 39 05.45 -20 21 25.4 R G45
2016-02-28 12:43:30 C 16 39 06.44 -20 21 26.5 R G45
2016-02-29 11:24:35 S 16 42 49.178 -20 32 19.43 L C51
2016-02-29 11:58:50 C 16 42 55.04 -20 32 44.2 R G45
2016-02-29 12:02:06 C 16 42 55.61 -20 32 45.4 R G45
2016-02-29 12:05:21 C 16 42 56.10 -20 32 47.2 R G45
2016-02-29 12:18:09 C 16 42 58.22 -20 32 53.2 R G45
2016-02-29 12:21:21 C 16 42 58.75 -20 32 55.0 R G45
2016-02-29 12:24:42 C 16 42 59.32 -20 32 56.4 R G45
2016-02-29 12:30:42 C 16 43 00.28 -20 32 59.3 R G45
2016-02-29 12:33:40 C 16 43 00.73 -20 33 00.8 R G45
2016-02-29 12:36:32 C 16 43 01.22 -20 33 02.4 R G45
2016-04-03 14:19:22 C 20 02 00.52 -22 59 29.3 L T05
2016-04-03 14:25:37 C 20 02 02.56 -22 59 26.7 L T05
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)