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
2023-12-06 13:19:18 C 08 49 36.838 +28 31 30.04 V T08
2023-12-06 15:28:27 S 08 49 24.826 +28 31 09.84 V C57
2023-12-06 15:28:27 s 1 -101609.24 7 +22087.069 0.272 C57
2023-12-06 17:08:27 S 08 49 19.358 +28 31 47.46 V C57
2023-12-06 17:08:27 s 1 -101930.41 3 +11039.728 0.896 C57
2023-12-06 17:28:27 S 08 49 18.533 +28 31 56.21 V C57
2023-12-06 17:28:27 s 1 -101938.57 1 + 8822.578 0.942 C57
2023-12-06 18:48:27 S 08 49 13.553 +28 32 30.62 V C57
2023-12-06 18:48:27 s 1 -101774.93 0 - 58.694 5250.0 C57
2023-12-06 20:28:27 S 08 49 08.575 +28 33 21.82 V C57
2023-12-06 20:28:27 s 1 -101108.93 9 -11156.181 890.0 C57
2023-12-06 20:48:27 S 08 49 06.890 +28 33 29.02 V C57
2023-12-06 20:48:27 s 1 -100911.82 5 -13370.470 1230.0 C57
2023-12-06 22:08:27 S 08 49 03.166 +28 34 04.62 V C57
2023-12-06 22:08:27 s 1 -99901.315 0 -22193.151 7910.0 C57
2023-12-07 12:03:13 C 08 48 34.783 +28 41 33.22 V T08
2023-12-07 12:10:51 C 08 48 34.421 +28 41 36.49 V T08
2023-12-07 12:20:40 C 08 48 33.953 +28 41 40.81 V T08
2023-12-07 12:37:12 C 08 48 33.120 +28 41 48.62 V T08
2023-12-07 12:47:09 C 08 48 32.630 +28 41 53.02 V T05
2023-12-07 12:50:24 C 08 48 32.467 +28 41 54.24 V T05
2023-12-07 12:54:34 C 08 48 32.287 +28 41 56.40 V T05
2023-12-07 13:01:56 C 08 48 31.882 +28 41 59.64 V T05
2023-12-09 12:11:44 C 08 46 11.232 +29 03 14.18 V T05
2023-12-09 12:15:44 C 08 46 11.038 +29 03 16.38 V T05
2023-12-09 12:37:57 C 08 46 09.790 +29 03 25.99 V T05
2023-12-09 12:42:31 C 08 46 09.550 +29 03 28.19 V T05
2023-12-09 13:09:18 C 08 46 08.052 +29 03 40.75 V T08
2023-12-09 13:15:03 C 08 46 07.711 +29 03 43.63 V T08
2023-12-09 13:25:22 C 08 46 07.178 +29 03 48.60 V T08
2023-12-09 14:09:07 C 08 46 04.726 +29 04 08.54 V T08
2023-12-10 13:30:10 C 08 44 49.174 +29 14 49.63 V T08
2023-12-10 13:32:57 C 08 44 49.015 +29 14 50.93 V T08
2023-12-10 13:37:26 C 08 44 48.744 +29 14 52.58 V T08
2023-12-10 13:45:35 C 08 44 48.264 +29 14 56.69 V T08
2023-12-12 12:24:44 C 08 42 06.113 +29 36 31.97 V T05
2023-12-12 12:27:20 C 08 42 05.964 +29 36 34.24 V T05
2023-12-12 12:31:27 C 08 42 05.674 +29 36 35.64 V T05
2023-12-12 12:39:20 C 08 42 05.189 +29 36 38.70 V T05
2023-12-13 13:17:49 C 08 40 33.262 +29 48 09.97 V T08
2023-12-13 13:19:49 C 08 40 33.139 +29 48 11.16 V T08
2023-12-13 14:00:28 C 08 40 30.475 +29 48 30.17 V T08
2023-12-13 14:08:13 C 08 40 29.952 +29 48 33.52 V T08
2023-12-14 09:39:02 C 08 39 14.526 +29 57 40.00 V G96
2023-12-14 09:46:36 C 08 39 14.015 +29 57 43.60 V G96
2023-12-14 09:54:10 C 08 39 13.496 +29 57 47.16 V G96
2023-12-14 10:01:43 C 08 39 12.978 +29 57 50.72 V G96
2023-12-14 13:01:39 C 08 39 01.126 +29 59 17.20 V T08
2023-12-14 13:07:31 C 08 39 00.730 +29 59 19.75 V T08
2023-12-14 13:51:05 C 08 38 57.734 +29 59 40.52 V T08
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)