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
2010-02-06 07:03:12 C 09 30 37.76 +26 16 02.0 c 704
2010-02-06 07:21:19 C 09 30 36.36 +26 16 08.6 c 704
2010-02-06 07:39:25 C 09 30 34.98 +26 16 13.4 c 704
2010-02-07 20:21:32 C 09 27 45.98 +26 27 49.1 r J75
2010-02-07 20:40:07 C 09 27 44.55 +26 27 54.5 r J75
2010-02-07 20:58:42 C 09 27 43.15 +26 28 01.2 r J75
2010-02-09 07:30:26 C 09 25 03.35 +26 38 28.4 c 704
2010-02-09 08:06:06 C 09 25 00.58 +26 38 38.2 c 704
2010-02-09 08:24:01 C 09 24 59.15 +26 38 44.2 c 704
2010-02-15 04:07:31 C 09 14 21.98 +27 15 06.8 r 703
2010-02-15 04:18:09 C 09 14 21.22 +27 15 09.2 r 703
2010-02-15 04:28:55 C 09 14 20.40 +27 15 12.5 r 703
2010-02-15 04:39:38 C 09 14 19.68 +27 15 14.9 r 703
2010-03-05 06:21:37 C 08 46 21.32 +28 06 04.1 r 703
2010-03-05 06:29:00 C 08 46 20.92 +28 06 03.2 r 703
2010-03-05 06:36:26 C 08 46 20.60 +28 06 02.1 r 703
2010-03-05 06:43:55 C 08 46 20.17 +28 06 03.2 r 703
2010-03-07 20:47:08 C 08 43 18.59 +28 06 13.7 u 240
2010-03-07 20:53:19 C 08 43 18.30 +28 06 13.5 u 240
2010-03-07 21:00:31 C 08 43 18.01 +28 06 13.4 u 240
2010-03-14 02:50:07 C 08 37 11.06 +28 00 48.7 r 703
2010-03-14 02:59:53 C 08 37 10.74 +28 00 45.8 r 703
2010-03-14 03:09:39 C 08 37 10.41 +28 00 46.2 r 703
2010-03-14 03:19:32 C 08 37 10.02 +28 00 44.8 r 703
2012-02-02 08:50:23 C 11 18 13.64 +14 50 56.7 r 703
2012-02-02 08:59:48 C 11 18 13.21 +14 51 00.6 r 703
2012-02-02 09:09:25 C 11 18 12.74 +14 51 05.9 r 703
2012-02-02 09:19:05 C 11 18 12.38 +14 51 09.3 r 703
2012-02-18 09:53:52 C 10 56 34.36 +17 32 05.8 r 703
2012-02-18 10:03:31 C 10 56 33.68 +17 32 08.7 r 703
2012-02-18 10:13:20 C 10 56 33.00 +17 32 13.2 r 703
2012-02-18 10:23:06 C 10 56 32.38 +17 32 18.6 r 703
2012-02-23 01:25:37 C 10 48 47.26 +18 19 19.8 c A24
2012-02-23 01:26:39 C 10 48 47.19 +18 19 20.4 c A24
2012-02-23 01:27:41 C 10 48 47.06 +18 19 20.7 c A24
2012-02-23 01:28:43 C 10 48 47.06 +18 19 21.2 c A24
2012-02-23 02:33:44 C 10 48 42.23 +18 19 48.7 d B66
2012-02-23 03:05:53 C 10 48 39.89 +18 20 02.2 d B66
2012-02-23 09:57:48 C 10 48 10.33 +18 22 53.6 r 703
2012-02-23 10:17:17 C 10 48 08.89 +18 23 00.8 r 703
2012-02-23 10:26:56 C 10 48 08.17 +18 23 05.1 r 703
2012-02-24 23:45:07 C 10 45 25.68 +18 38 19.5 d B66
2012-02-25 00:16:30 C 10 45 23.40 +18 38 32.6 d B66
2012-02-25 01:06:05 C 10 45 19.73 +18 38 51.7 c A24
2012-02-25 01:07:08 C 10 45 19.60 +18 38 52.3 c A24
2012-02-25 01:08:11 C 10 45 19.52 +18 38 52.7 c A24
2012-02-25 01:09:13 C 10 45 19.46 +18 38 53.1 c A24
2012-02-25 02:00:18 C 10 45 15.63 +18 39 14.0 c A24
2012-02-25 02:01:20 C 10 45 15.56 +18 39 14.5 c A24
2012-02-25 02:02:23 C 10 45 15.47 +18 39 14.4 c A24
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)