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
2007-10-23 11:01:44 C 08 53 29.14 +23 33 51.9 c 704
2007-10-23 11:18:30 C 08 53 30.02 +23 33 52.0 c 704
2007-10-23 11:35:19 C 08 53 30.86 +23 33 51.2 c 704
2007-11-06 10:46:38 C 09 07 42.02 +23 46 42.3 r 703
2007-11-06 10:53:37 C 09 07 42.31 +23 46 42.8 r 703
2007-11-06 11:00:37 C 09 07 42.56 +23 46 44.2 r 703
2007-11-06 11:07:39 C 09 07 42.70 +23 46 43.1 r 703
2007-11-17 10:35:43 C 09 13 51.39 +24 21 26.6 o 704
2007-11-17 10:53:42 C 09 13 51.61 +24 21 29.5 o 704
2007-11-17 11:11:43 C 09 13 51.86 +24 21 33.7 o 704
2007-11-17 11:29:38 C 09 13 52.03 +24 21 37.5 o 704
2007-11-17 11:47:36 C 09 13 52.22 +24 21 40.5 o 704
2007-11-20 09:13:44 C 09 14 38.67 +24 35 09.1 c 704
2007-11-20 09:31:52 C 09 14 38.88 +24 35 12.9 c 704
2007-11-20 09:49:58 C 09 14 38.99 +24 35 16.4 c 704
2007-11-20 10:08:05 C 09 14 39.07 +24 35 20.6 c 704
2007-11-20 10:26:13 C 09 14 39.22 +24 35 25.4 c 704
2007-12-06 08:49:18 C 09 11 32.13 +26 24 25.7 r 703
2007-12-06 08:57:59 C 09 11 31.84 +26 24 28.5 r 703
2007-12-06 09:06:40 C 09 11 31.59 +26 24 31.3 r 703
2007-12-06 09:15:21 C 09 11 31.38 +26 24 34.4 r 703
2007-12-15 10:02:59 C 09 03 31.21 +27 50 10.0 r 703
2007-12-15 10:13:22 C 09 03 30.70 +27 50 14.4 r 703
2007-12-15 10:23:44 C 09 03 30.16 +27 50 19.1 r 703
2007-12-15 10:34:07 C 09 03 29.59 +27 50 22.9 r 703
2007-12-16 11:44:09 C 09 02 15.04 +28 01 06.0 w 699
2007-12-16 12:10:41 C 09 02 13.67 +28 01 16.6 w 699
2007-12-16 12:37:14 C 09 02 12.23 +28 01 28.2 w 699
2007-12-16 13:03:47 C 09 02 10.81 +28 01 39.2 w 699
2007-12-18 04:01:57 C 09 00 07.85 +28 18 29.2 c A24
2007-12-18 04:18:22 C 09 00 06.88 +28 18 36.4 c A24
2007-12-18 04:34:47 C 09 00 05.91 +28 18 43.4 c A24
2007-12-18 04:51:11 C 09 00 04.98 +28 18 50.2 c A24
2007-12-18 07:53:12 C 08 59 55.60 +28 20 10.6 c 704
2007-12-18 08:11:47 C 08 59 54.60 +28 20 18.4 c 704
2007-12-18 08:30:18 C 08 59 53.47 +28 20 27.2 c 704
2007-12-18 08:48:49 C 08 59 52.45 +28 20 35.7 c 704
2007-12-18 09:07:19 C 08 59 51.38 +28 20 43.7 c 704
2007-12-19 08:06:25 C 08 58 33.85 +28 30 46.4 r G96
2007-12-19 08:16:28 C 08 58 33.27 +28 30 50.8 r G96
2007-12-19 08:26:27 C 08 58 32.70 +28 30 55.1 r G96
2007-12-19 08:36:23 C 08 58 32.08 +28 30 59.6 r G96
2007-12-29 09:57:09 C 08 41 54.65 +30 17 02.2 r H45
2007-12-29 09:59:01 C 08 41 54.51 +30 17 03.0 r H45
2007-12-29 10:00:44 C 08 41 54.40 +30 17 03.5 r H45
2007-12-29 10:06:28 C 08 41 53.91 +30 17 05.8 r H45
2007-12-29 10:08:07 C 08 41 53.77 +30 17 06.6 r H45
2008-01-03 01:42:14 C 08 32 35.64 +31 03 10.0 r J51
2008-01-03 01:58:58 C 08 32 34.14 +31 03 16.6 r J51
2008-01-03 02:15:43 C 08 32 32.64 +31 03 23.3 r J51
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)