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
1930-12-13 04:36:59 02 45 33.68 +30 58 37.7 690
1930-12-14 04:48:59 02 46 51.03 +30 51 19.6 16.0 690
1930-12-16 04:39:59 02 49 20.83 +30 38 11.0 690
1932-04-24 21:22:23 A 14 00 30.02 -10 52 22.9 024
1932-04-24 22:38:11 X 14 00.4 -10 51 12.5 024
1932-04-24 23:54:23 A 14 00 02.28 -10 52 44.0 024
1932-04-27 20:51:30 A 13 46 04.28 -11 02 07.0 024
1932-04-27 22:13:29 A 13 45 44.53 -11 02 17.4 024
1932-04-27 22:51:29 A 13 45 35.13 -11 02 20.0 024
1932-04-29 05:32:25 A 13 37 57.14 -11 06 46.2 A 801
1932-04-30 03:36:08 A 13 31 52.24 -11 10 01.3 A 801
1932-04-30 21:42:41 A 13 26 23.52 -11 12 37.4 024
1932-04-30 22:05:12 A 13 26 17.45 -11 12 41.1 024
1932-04-30 22:27:41 A 13 26 11.02 -11 12 43.3 024
1932-04-30 22:29:01 A 13 26 10.05 -11 12 46.0 11.5 012
1932-04-30 22:46:28 A 13 26 04.59 -11 12 48.8 11.5 012
1932-05-01 00:04:47 A 13 25 38.57 -11 12 56.2 024
1932-05-02 04:47:02 A 13 15 58.80 -11 16 43.6 11.0 754
1932-05-02 22:13:10 A 13 09 28.07 -11 18 51.3 11.0 012
1932-05-02 22:33:37 A 13 09 20.04 -11 18 53.5 11.0 012
1932-05-03 01:17:16 A 13 08 17.69 -11 19 06.0 A 801
1932-05-03 03:06:54 A 13 07 34.25 -11 19 13.4 11.0 754
1932-05-03 22:37:48 A 12 59 23.77 -11 21 09.6 024
1932-05-03 22:47:47 A 12 59 19.57 -11 21 10.0 024
1932-05-03 22:57:47 A 12 59 15.70 -11 21 11.5 024
1932-05-03 23:08:47 A 12 59 11.27 -11 21 13.6 024
1932-05-03 23:18:48 A 12 59 07.18 -11 21 13.5 024
1932-05-03 23:28:47 A 12 59 03.19 -11 21 13.0 024
1932-05-04 00:30:36 A 12 58 34.89 -11 21 14.0 024
1932-05-05 20:51:50 A 12 37 01.14 -11 22 35.9 012
1932-05-05 20:53:46 A 12 37 00.17 -11 22 31.1 024
1932-05-05 21:42:24 A 12 36 33.06 -11 22 32.4 012
1932-05-05 22:10:56 A 12 36 16.98 -11 22 30.9 012
1932-05-06 04:22:07 A 12 32 51.14 -11 22 03.1 A 801
1932-05-06 22:07:25 A 12 22 30.52 -11 20 28.1 012
1932-05-07 18:00:14 A 12 09 52.59 -11 15 02.6 078
1932-05-07 18:24:10 A 12 09 35.70 -11 14 59.2 078
1932-05-08 20:46:17 A 11 50 44.23 -11 07 49.6 024
1932-05-09 03:29:53 A 11 45 38.32 -11 04 20.6 11.0 754
1932-05-09 20:48:21 A 11 31 39.98 -10 54 13.4 027
1932-05-10 20:02:25 A 11 11 17.23 -10 35 19.4 027
1932-05-10 20:57:53 11 10 24.96 -10 34 25.1 022
1932-05-11 03:32:12 A 11 04 17.01 -10 27 41.4 12.5 754
1932-05-12 03:16:47 A 10 41 01.31 -09 58 35.0 12.0 754
1932-05-12 20:57:15 A 10 22 38.99 -09 31 26.2 027
1932-05-14 05:13:00 A 09 47 25.00 -08 29 08.5 662
1932-05-14 05:21:31 A 09 47 15.31 -08 28 49.2 662
1932-05-15 02:26:25 A 09 23 38.76 -07 40 29.3 12.5 754
1932-05-15 02:28:54 A 09 23 35.64 -07 40 21.1 12.5 754
1957-03-31 06:41:59 13 14 24.78 -00 15 37.3 690
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)