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
2023-04-27 07:13:42 C 12 32 07.433 -00 36 17.75 V 703
2023-04-27 07:15:12 C 12 32 07.130 -00 36 16.70 V 703
2023-04-27 07:16:41 C 12 32 06.821 -00 36 15.95 V 703
2023-04-27 20:16:36 C 12 29 33.607 -00 29 10.10 V 160
2023-04-27 20:22:52 C 12 29 32.350 -00 29 06.86 V 160
2023-04-27 20:29:04 C 12 29 31.073 -00 29 03.23 V 160
2023-04-27 20:33:57 C 12 29 29.89 -00 29 02.1 Y 557
2023-04-27 21:09:57 C 12 29 22.50 -00 28 42.1 Y 557
2023-04-27 21:51:07 C 12 29 14.05 -00 28 19.5 Y 557
2023-04-27 22:30:32 C 12 29 05.97 -00 27 57.6 Y 557
2023-04-27 23:10:00 C 12 28 57.88 -00 27 35.6 Y 557
2023-04-27 23:51:10 C 12 28 49.46 -00 27 12.8 Y 557
2023-04-28 01:43:14 C 12 28 28.09 -00 25 46.1 q X33
2023-04-28 01:45:46 C 12 28 27.55 -00 25 44.9 q X33
2023-04-28 01:48:18 C 12 28 27.04 -00 25 43.4 q X33
2023-04-28 06:07:59 C 12 27 34.344 -00 23 36.92 V 703
2023-04-28 06:09:30 C 12 27 34.020 -00 23 36.13 V 703
2023-04-28 06:11:01 C 12 27 33.714 -00 23 35.02 V 703
2023-04-28 06:12:32 C 12 27 33.390 -00 23 34.48 V 703
2023-04-28 22:52:52 C 12 24 10.70 -00 14 15.9 V Z17
2023-04-28 22:55:37 C 12 24 09.98 -00 14 14.5 V Z17
2023-04-28 22:58:22 C 12 24 09.34 -00 14 13.1 V Z17
2023-04-29 02:35:18 C 12 23 24.833 -00 11 41.78 V W68
2023-04-29 02:39:53 C 12 23 23.854 -00 11 39.23 V W68
2023-04-29 03:26:19 C 12 23 13.932 -00 11 13.34 V W68
2023-04-29 03:36:51 C 12 23 11.688 -00 11 07.44 V W68
2023-04-29 03:48:11 C 12 23 10.468 -00 11 33.29 V G96
2023-04-29 03:55:40 C 12 23 08.869 -00 11 29.15 V G96
2023-04-29 04:03:07 C 12 23 07.282 -00 11 24.94 V G96
2023-04-29 04:10:34 C 12 23 05.687 -00 11 20.80 V G96
2023-04-29 12:12:46 C 12 21 26.21 -00 06 51.7 V D29
2023-04-29 12:34:53 C 12 21 21.46 -00 06 39.4 V D29
2023-04-29 12:57:01 C 12 21 16.70 -00 06 27.0 V D29
2023-04-29 20:10:35 B 12 19 46.16 -00 02 32.6 V L65
2023-04-29 20:17:24 B 12 19 44.70 -00 02 28.8 V L65
2023-04-29 20:23:48 B 12 19 43.32 -00 02 25.3 V L65
2023-04-30 20:00:16 C 12 14 43.32 +00 10 49.2 X G02
2023-04-30 20:04:53 C 12 14 42.30 +00 10 51.6 X G02
2023-04-30 20:09:16 C 12 14 41.33 +00 10 54.1 X G02
2023-04-30 20:16:07 B 12 14 40.05 +00 10 56.7 V L65
2023-04-30 20:23:12 B 12 14 38.42 +00 10 59.5 V L65
2023-04-30 20:31:51 B 12 14 36.57 +00 11 05.4 V L65
2023-04-30 21:00:54 B 12 14 30.207 +00 11 22.37 X B72
2023-04-30 21:02:44 B 12 14 29.802 +00 11 23.52 X B72
2023-04-30 21:04:34 B 12 14 29.399 +00 11 24.75 X B72
2023-05-03 17:43:08 C 11 59 20.18 +00 49 51.1 V C40
2023-05-03 18:03:42 C 11 59 15.38 +00 50 02.7 V C40
2023-05-03 18:24:01 C 11 59 10.63 +00 50 14.2 V C40
2023-05-03 20:20:21 B 11 58 44.165 +00 51 15.48 V L65
2023-05-03 20:27:00 B 11 58 42.562 +00 51 18.14 V L65
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)