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
2012-02-25 02:03:25 C 10 45 15.38 +18 39 14.4 c A24
2012-02-26 01:40:25 C 10 43 31.24 +18 48 42.7 c A24
2012-02-26 01:42:29 C 10 43 31.10 +18 48 43.9 c A24
2012-02-26 02:08:34 C 10 43 29.12 +18 48 54.3 c A24
2012-02-26 02:35:09 C 10 43 27.11 +18 49 04.9 c A24
2012-02-26 03:01:14 C 10 43 25.14 +18 49 14.6 c A24
2012-02-26 03:03:18 C 10 43 25.00 +18 49 16.2 c A24
2012-02-26 22:44:06 C 10 41 58.01 +18 57 02.8 c A24
2012-02-26 22:46:11 C 10 41 57.84 +18 57 02.9 c A24
2012-02-26 23:13:42 C 10 41 55.76 +18 57 13.7 c A24
2012-02-27 00:09:14 C 10 41 51.57 +18 57 35.9 c A24
2012-02-27 00:11:20 C 10 41 51.45 +18 57 36.2 c A24
2012-02-28 00:18:44 C 10 40 03.87 +19 06 58.4 18.4 c J43
2012-02-28 00:35:28 C 10 40 02.57 +19 07 04.8 18.4 c J43
2012-02-28 00:52:14 C 10 40 01.28 +19 07 11.5 18.4 c J43
2012-02-28 01:08:58 C 10 40 00.01 +19 07 17.7 18.3 c J43
2012-02-29 07:12:19 C 10 37 45.22 +19 18 40.1 r 703
2012-02-29 07:20:33 C 10 37 44.58 +19 18 42.5 r 703
2012-02-29 07:28:43 C 10 37 43.89 +19 18 45.9 r 703
2012-02-29 07:36:50 C 10 37 43.32 +19 18 48.9 r 703
2012-03-01 05:19:53 C 10 36 05.70 +19 26 49.1 u H45
2012-03-01 05:21:42 C 10 36 05.59 +19 26 49.4 u H45
2012-03-01 05:23:30 C 10 36 05.46 +19 26 50.3 u H45
2012-03-01 05:25:01 C 10 36 05.32 +19 26 50.5 u H45
2012-03-01 05:26:44 C 10 36 05.23 +19 26 51.6 u H45
2012-03-02 03:49:58 C 10 34 24.66 +19 34 57.5 c 704
2012-03-02 04:06:35 C 10 34 23.32 +19 35 03.1 c 704
2012-03-02 04:23:13 C 10 34 22.08 +19 35 08.3 c 704
2012-03-02 04:39:52 C 10 34 20.81 +19 35 14.9 c 704
2012-03-02 04:56:38 C 10 34 19.57 +19 35 20.7 c 704
2012-03-13 04:20:11 C 10 14 59.85 +20 53 39.0 r 703
2012-03-13 04:27:33 C 10 14 59.31 +20 53 41.2 r 703
2012-03-13 04:34:52 C 10 14 58.84 +20 53 42.7 r 703
2012-03-13 04:42:16 C 10 14 58.30 +20 53 44.6 r 703
2012-03-13 23:07:52 C 10 13 41.22 +20 57 55.1 c A24
2012-03-13 23:09:56 C 10 13 41.03 +20 57 56.4 c A24
2012-03-13 23:31:26 C 10 13 39.59 +20 58 00.8 c A24
2012-03-14 00:17:01 C 10 13 36.32 +20 58 10.3 c A24
2012-03-14 22:44:34 C 10 12 04.11 +21 03 02.7 c A24
2012-03-14 22:46:38 C 10 12 03.93 +21 03 02.5 c A24
2012-03-14 23:09:02 C 10 12 02.36 +21 03 07.3 c A24
2012-03-14 23:31:57 C 10 12 00.76 +21 03 11.8 c A24
2012-03-14 23:54:21 C 10 11 59.18 +21 03 16.6 c A24
2012-03-14 23:56:25 C 10 11 59.06 +21 03 16.7 c A24
2012-03-15 05:26:07 C 10 11 36.87 +21 04 26.9 c 704
2012-03-15 05:42:07 C 10 11 35.76 +21 04 30.0 c 704
2012-03-15 05:58:05 C 10 11 34.73 +21 04 32.8 c 704
2012-03-15 06:14:03 C 10 11 33.54 +21 04 37.0 c 704
2012-03-15 06:30:00 C 10 11 32.45 +21 04 40.0 c 704
2012-03-15 23:11:03 C 10 10 24.93 +21 08 01.1 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)