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
2021-11-19 13:14:51 C 20 42 46.49 -13 35 42.5 Y N42
2021-11-19 13:15:43 C 20 42 46.97 -13 35 39.2 Y N42
2021-11-19 14:23:26 C 20 43 24.21 -13 31 19.3 Y N42
2021-11-19 14:24:17 C 20 43 24.75 -13 31 15.9 Y N42
2021-11-19 14:25:07 C 20 43 25.16 -13 31 13.3 Y N42
2021-11-19 14:25:59 C 20 43 25.63 -13 31 09.4 Y N42
2021-11-19 14:26:51 C 20 43 26.13 -13 31 06.6 Y N42
2021-11-19 14:27:41 C 20 43 26.57 -13 31 03.3 Y N42
2021-11-19 14:28:33 C 20 43 27.04 -13 30 59.8 Y N42
2021-11-19 14:30:14 C 20 43 27.68 -13 30 55.6 Y N42
2021-11-20 17:00:29 C 20 58 17.84 -11 47 07.1 V L18
2021-11-20 17:01:29 C 20 58 18.41 -11 47 02.8 V L18
2021-11-20 17:02:29 C 20 58 18.96 -11 46 58.5 V L18
2021-11-22 17:08:18 C 21 25 05.32 -08 28 55.1 V K87
2021-11-22 17:09:55 C 21 25 06.26 -08 28 48.3 V K87
2021-11-22 17:11:17 C 21 25 07.08 -08 28 43.4 V G33
2021-11-22 17:11:32 C 21 25 07.11 -08 28 41.1 V K87
2021-11-22 17:12:58 C 21 25 08.01 -08 28 36.1 V G33
2021-11-22 17:13:11 C 21 25 07.99 -08 28 34.4 V K87
2021-11-22 17:14:39 C 21 25 08.92 -08 28 29.0 V G33
2021-11-22 17:14:48 C 21 25 08.90 -08 28 27.6 V K87
2021-11-22 17:16:21 C 21 25 09.85 -08 28 22.0 V G33
2021-11-22 17:18:01 C 21 25 10.75 -08 28 14.9 V G33
2021-11-22 17:19:42 C 21 25 11.65 -08 28 07.7 V G33
2021-11-24 05:20:12 C 21 44 49.27 -05 55 34.9 V T05
2021-11-24 05:22:11 C 21 44 50.32 -05 55 26.3 V T05
2021-11-24 05:24:49 C 21 44 51.70 -05 55 15.3 V T05
2021-11-24 05:26:47 C 21 44 52.75 -05 55 06.7 V T05
2021-11-24 05:32:47 C 21 44 55.86 -05 54 41.7 V T05
2021-11-24 05:36:49 C 21 44 58.05 -05 54 24.2 V T05
2021-11-24 05:48:44 C 21 45 04.33 -05 53 33.9 V T05
2021-11-24 05:52:42 C 21 45 06.43 -05 53 16.7 V T05
2021-11-25 18:30:18 C 22 04 28.84 -03 19 21.3 V L18
2021-11-25 18:30:57 C 22 04 29.21 -03 19 18.3 V L18
2021-11-25 18:31:36 C 22 04 29.55 -03 19 15.5 V L18
2021-11-25 18:32:15 C 22 04 29.88 -03 19 13.0 V L18
2021-11-25 18:32:54 C 22 04 30.24 -03 19 10.1 V L18
2021-11-26 06:46:35 C 22 10 47.77 -02 28 12.3 V T08
2021-11-26 06:51:13 C 22 10 50.10 -02 27 53.2 V T08
2021-11-26 06:59:15 C 22 10 54.13 -02 27 20.1 V T08
2021-11-26 07:14:31 C 22 11 01.81 -02 26 16.9 V T08
2021-11-27 16:57:06 C 22 27 55.74 -00 10 15.4 V G33
2021-11-27 16:58:33 C 22 27 56.42 -00 10 09.7 V G33
2021-11-27 16:59:59 C 22 27 57.12 -00 10 03.9 V G33
2021-11-27 17:01:46 C 22 27 57.99 -00 09 57.1 V G33
2021-11-27 17:03:47 C 22 27 58.94 -00 09 49.0 V G33
2021-11-27 17:04:36 C 22 27 59.33 -00 09 45.6 V G33
2021-11-28 02:33:49 C 22 32 34.83 +00 27 39.8 V 703
2021-11-28 02:42:03 C 22 32 38.72 +00 28 11.9 V 703
2021-11-28 02:50:17 C 22 32 42.63 +00 28 43.9 V 703
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)