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
2003-02-06 07:33:11 C 10 35 16.68 +19 58 55.5 o 704
2003-02-06 07:55:41 C 10 35 15.18 +19 59 04.8 o 704
2003-02-06 08:18:10 C 10 35 13.83 +19 59 13.3 o 704
2003-02-25 13:06:13 C 10 02 30.39 +22 52 25.4 20.2 c 608
2003-02-25 13:21:06 C 10 02 29.30 +22 52 29.6 20.4 c 608
2003-02-25 13:35:58 C 10 02 28.12 +22 52 34.0 19.9 c 608
2003-02-25 23:56:56 C 10 01 42.68 +22 55 36.8 c 240
2003-02-26 00:03:10 C 10 01 42.24 +22 55 38.5 c 240
2003-02-26 00:15:38 C 10 01 41.32 +22 55 42.1 c 240
2003-02-26 00:21:51 C 10 01 40.83 +22 55 43.9 c 240
2003-03-05 05:47:22 C 09 49 16.54 +23 39 39.3 c 704
2003-03-05 06:06:30 C 09 49 15.22 +23 39 43.3 c 704
2003-03-05 06:44:36 C 09 49 12.52 +23 39 51.3 c 704
2003-03-05 07:03:40 C 09 49 11.15 +23 39 55.3 c 704
2003-03-06 07:12:35 C 09 47 32.23 +23 44 49.6 c 704
2003-03-06 07:31:52 C 09 47 30.78 +23 44 52.2 c 704
2003-03-06 07:51:10 C 09 47 29.56 +23 44 56.5 c 704
2003-03-06 08:10:39 C 09 47 28.18 +23 45 00.5 c 704
2003-03-06 08:30:02 C 09 47 26.81 +23 45 04.6 c 704
2003-03-07 09:41:45 C 09 45 45.32 +23 49 51.2 19.1 c 644
2003-03-07 09:56:36 C 09 45 44.28 +23 49 53.4 18.8 c 644
2003-03-07 10:11:51 C 09 45 43.23 +23 49 56.9 19.0 c 644
2003-03-13 04:32:01 C 09 37 01.23 +24 10 22.0 19.1 c 644
2003-03-13 05:01:10 C 09 36 59.47 +24 10 25.5 19.2 c 644
2003-03-13 05:31:00 C 09 36 57.63 +24 10 29.1 19.3 c 644
2003-03-21 20:40:11 C 09 26 08.72 +24 23 25.5 c 198
2003-03-21 20:58:10 C 09 26 07.88 +24 23 25.5 c 198
2003-03-21 21:12:16 C 09 26 07.21 +24 23 25.5 c 198
2003-03-26 04:25:35 C 09 21 51.67 +24 22 48.2 o 704
2003-03-26 04:59:07 C 09 21 50.37 +24 22 47.0 o 704
2003-03-26 05:15:56 C 09 21 49.68 +24 22 47.1 o 704
2004-01-30 02:07:30 C 00 09 02.62 +02 44 45.0 d 703
2004-01-30 02:13:03 C 00 09 03.62 +02 44 53.7 d 703
2004-01-30 02:18:36 C 00 09 04.69 +02 45 00.7 d 703
2004-01-30 02:24:10 C 00 09 05.83 +02 45 09.8 d 703
2004-02-02 02:17:10 C 00 22 49.10 +04 30 29.4 o 699
2004-02-02 02:31:32 C 00 22 51.79 +04 30 50.0 o 699
2004-02-02 02:45:52 C 00 22 54.54 +04 31 10.1 o 699
2004-02-02 03:00:14 C 00 22 57.18 +04 31 31.4 o 699
2004-02-11 02:10:40 C 01 01 43.89 +09 19 07.3 c 699
2004-02-11 02:25:09 C 01 01 46.43 +09 19 24.8 c 699
2004-02-11 02:39:46 C 01 01 48.93 +09 19 41.7 c 699
2004-02-11 02:54:15 C 01 01 51.36 +09 19 59.6 c 699
2004-02-19 02:10:09 C 01 33 45.36 +12 59 22.1 d 703
2004-02-19 02:24:48 C 01 33 47.86 +12 59 37.7 d 703
2004-02-19 02:39:29 C 01 33 50.09 +12 59 51.8 d 703
2004-02-19 02:54:16 C 01 33 52.45 +13 00 07.4 d 703
2005-02-03 10:16:52 C 12 17 00.80 +07 10 37.3 c 704
2005-02-03 10:34:36 C 12 17 00.45 +07 10 41.3 c 704
2005-02-03 10:52:18 C 12 17 00.13 +07 10 45.4 c 704
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)