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
2023-11-21 13:49:15 C 08 58 29.806 +26 15 10.66 V T05
2023-11-21 13:57:12 C 08 58 29.789 +26 15 13.61 V T05
2023-11-21 14:09:13 C 08 58 29.678 +26 15 17.53 V T05
2023-11-23 09:54:55 C 08 58 07.943 +26 29 13.16 V G96
2023-11-23 10:02:23 C 08 58 07.856 +26 29 15.72 V G96
2023-11-23 10:09:50 C 08 58 07.756 +26 29 18.17 V G96
2023-11-23 10:17:18 C 08 58 07.662 +26 29 20.54 V G96
2023-11-25 13:32:53 C 08 57 27.466 +26 46 44.40 V T05
2023-11-25 13:37:27 C 08 57 27.425 +26 46 45.77 V T05
2023-11-25 13:42:00 C 08 57 27.312 +26 46 47.53 V T05
2023-11-25 13:49:15 C 08 57 27.175 +26 46 49.40 V T05
2023-12-01 08:48:27 S 08 54 49.699 +27 41 34.15 V C57
2023-12-01 08:48:27 s 1 +183100.18 2 +278980.09 9820.0 C57
2023-12-01 16:08:27 S 08 54 36.266 +27 44 17.88 V C57
2023-12-01 16:08:27 s 1 +170955.68 1 +287655.16 8590.0 C57
2023-12-01 19:08:27 S 08 54 30.293 +27 45 26.10 V C57
2023-12-01 19:08:27 s 1 +165639.68 1 +290629.64 860.0 C57
2023-12-01 19:28:27 S 08 54 29.100 +27 45 41.29 V C57
2023-12-01 19:28:27 s 1 +165036.85 6 +290939.04 7520.0 C57
2023-12-01 20:48:27 S 08 54 26.806 +27 46 06.89 V C57
2023-12-01 20:48:27 s 1 +162601.47 6 +292133.94 4340.0 C57
2023-12-01 22:48:27 S 08 54 22.742 +27 46 58.73 V C57
2023-12-01 22:48:27 s 1 +158876.81 3 +293797.05 140.0 C57
2023-12-01 23:48:27 S 08 54 20.834 +27 47 20.22 V C57
2023-12-01 23:48:27 s 1 +156982.60 8 +294569.85 1630.0 C57
2023-12-02 04:48:27 S 08 54 10.541 +27 49 11.24 V C57
2023-12-02 04:48:27 s 1 +147199.04 4 +297834.55 5080.0 C57
2023-12-02 06:48:27 S 08 54 06.883 +27 50 01.50 V C57
2023-12-02 06:48:27 s 1 +143142.71 2 +298855.07 7100.0 C57
2023-12-02 13:28:27 S 08 53 52.802 +27 52 38.46 V C57
2023-12-02 13:28:27 s 1 +129053.17 6 +301036.67 9840.0 C57
2023-12-02 15:08:27 S 08 53 49.054 +27 53 09.13 V C57
2023-12-02 15:08:27 s 1 +125398.18 5 +301280.59 5130.0 C57
2023-12-02 15:28:27 S 08 53 47.930 +27 53 22.99 V C57
2023-12-02 15:28:27 s 1 +124660.99 6 +301314.57 6020.0 C57
2023-12-02 16:48:27 S 08 53 45.470 +27 53 54.85 V C57
2023-12-02 16:48:27 s 1 +121691.79 5 +301400.63 9400.0 C57
2023-12-02 22:48:27 S 08 53 32.378 +27 56 11.18 V C57
2023-12-02 22:48:27 s 1 +107936.28 8 +300779.16 8950.0 C57
2023-12-03 03:08:27 S 08 53 21.888 +27 57 49.07 V C57
2023-12-03 03:08:27 s 1 +97617.970 0 +299268.34 0.0 C57
2023-12-03 04:48:27 S 08 53 17.849 +27 58 28.70 V C57
2023-12-03 04:48:27 s 1 +93567.939 0 +298441.53 3540.0 C57
2023-12-03 07:48:27 S 08 53 11.064 +27 59 36.82 V C57
2023-12-03 07:48:27 s 1 +86168.645 0 +296599.42 1640.0 C57
2023-12-03 11:28:27 S 08 53 02.203 +28 01 07.64 V C57
2023-12-03 11:28:27 s 1 +76942.841 0 +293713.66 7450.0 C57
2023-12-03 12:08:27 S 08 53 00.314 +28 01 18.05 V C57
2023-12-03 12:08:27 s 1 +75244.821 0 +293112.22 4060.0 C57
2023-12-03 13:48:27 S 08 52 56.311 +28 01 53.87 V C57
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)