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
2012-03-15 23:13:07 C 10 10 24.84 +21 08 01.4 c A24
2012-03-16 04:02:27 C 10 10 05.77 +21 08 58.9 r G96
2012-03-16 04:12:26 C 10 10 05.12 +21 09 01.1 r G96
2012-03-16 04:22:22 C 10 10 04.44 +21 09 03.0 r G96
2012-03-16 04:32:25 C 10 10 03.75 +21 09 05.1 r G96
2012-03-21 23:12:01 C 10 01 19.77 +21 30 53.0 c A24
2012-03-21 23:14:09 C 10 01 19.60 +21 30 53.5 c A24
2012-03-21 23:14:41 C 10 01 19.58 +21 30 53.6 c A24
2012-03-22 04:49:29 C 10 01 00.15 +21 31 34.7 r G96
2012-03-22 05:00:23 C 10 00 59.47 +21 31 35.9 r G96
2012-03-22 05:11:17 C 10 00 58.82 +21 31 37.3 r G96
2012-03-22 05:22:12 C 10 00 58.17 +21 31 38.7 r G96
2012-03-26 19:25:50 C 09 54 56.59 +21 41 22.1 u B88
2012-03-26 19:57:00 C 09 54 54.96 +21 41 23.9 u B88
2012-03-26 20:27:36 C 09 54 53.34 +21 41 26.2 u B88
2012-03-26 20:48:22 C 09 54 52.32 +21 41 27.6 c A24
2012-03-26 20:50:27 C 09 54 52.22 +21 41 28.4 c A24
2012-03-26 21:11:33 C 09 54 51.12 +21 41 29.4 c A24
2012-03-26 21:54:19 C 09 54 48.81 +21 41 31.5 c A24
2012-03-26 21:56:23 C 09 54 48.72 +21 41 31.6 c A24
2012-03-28 05:08:17 C 09 53 15.90 +21 43 09.3 r 703
2012-03-28 05:19:07 C 09 53 15.36 +21 43 10.2 r 703
2012-03-28 05:30:00 C 09 53 14.82 +21 43 10.6 r 703
2013-01-03 00:13:38 C 23 39 32.63 +01 14 17.6 q G25
2013-01-03 00:33:35 C 23 39 37.07 +01 14 51.4 q G25
2013-01-09 02:28:07 C 00 10 51.49 +05 20 02.7 r 703
2013-01-09 02:32:58 C 00 10 52.50 +05 20 11.5 r 703
2013-01-09 02:37:52 C 00 10 53.54 +05 20 18.1 r 703
2013-01-09 02:42:45 C 00 10 54.44 +05 20 26.3 r 703
2013-01-10 01:47:09 C 00 15 36.14 +05 56 31.9 r 703
2013-01-10 01:54:21 C 00 15 37.58 +05 56 44.1 r 703
2013-01-10 02:02:37 C 00 15 39.20 +05 56 56.6 r 703
2013-01-10 02:09:54 C 00 15 40.64 +05 57 07.7 r 703
2013-01-22 02:35:24 C 01 09 13.89 +12 26 40.9 r 703
2013-01-22 02:47:24 C 01 09 16.05 +12 26 54.6 r 703
2013-01-22 02:59:40 C 01 09 17.96 +12 27 08.6 r 703
2013-01-24 00:10:25 C 01 16 55.53 +13 18 16.8 q G25
2013-01-24 01:04:44 C 01 17 04.62 +13 19 16.4 q G25
2013-02-02 02:14:36 C 01 51 19.69 +16 53 02.0 r 703
2013-02-02 02:21:58 C 01 51 20.77 +16 53 08.5 r 703
2013-02-02 02:29:32 C 01 51 21.96 +16 53 14.8 r 703
2013-02-02 02:36:44 C 01 51 22.93 +16 53 21.6 r 703
2013-03-12 05:46:21 C 03 48 00.436 +25 20 24.91 L F51
2013-03-12 05:53:02 C 03 48 01.177 +25 20 26.98 L F51
2013-03-12 05:59:41 C 03 48 01.909 +25 20 29.14 L F51
2013-04-04 03:31:51 C 04 46 39.36 +27 26 50.5 o 691
2013-04-04 03:35:40 C 04 46 39.78 +27 26 51.5 o 691
2013-04-04 03:40:10 C 04 46 40.20 +27 26 52.2 o 691
2014-01-07 09:48:26 C 12 45 27.48 +01 48 08.5 R G45
2014-01-07 10:07:28 C 12 45 28.17 +01 48 04.8 R G45
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)