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
2023-04-04 01:29:34 B 13 47 11.46 -04 40 31.4 V L65
2023-04-04 01:36:47 B 13 47 10.89 -04 40 29.3 V L65
2023-04-04 01:43:58 B 13 47 10.32 -04 40 27.1 V L65
2023-04-04 03:45:30 C 13 47 01.750 -04 39 27.65 V W68
2023-04-04 03:48:11 C 13 47 01.522 -04 39 26.68 V W68
2023-04-04 03:52:44 C 13 47 01.152 -04 39 25.24 V W68
2023-04-04 04:07:20 C 13 46 59.957 -04 39 21.10 V W68
2023-04-05 02:30:57 C 13 45 13.81 -04 32 43.6 q X33
2023-04-05 02:34:40 C 13 45 13.53 -04 32 42.4 q X33
2023-04-05 02:37:26 C 13 45 13.27 -04 32 41.5 q X33
2023-04-09 23:44:47 C 13 34 23.290 -03 52 48.97 V M22
2023-04-09 23:49:38 C 13 34 22.762 -03 52 46.99 V M22
2023-04-09 23:58:30 C 13 34 21.794 -03 52 43.82 V M22
2023-04-10 00:12:49 C 13 34 20.237 -03 52 38.39 V M22
2023-04-10 10:43:31 C 13 33 13.471 -03 49 04.80 V 703
2023-04-10 10:50:32 C 13 33 12.701 -03 49 02.10 V 703
2023-04-10 10:57:33 C 13 33 11.923 -03 48 59.18 V 703
2023-04-10 11:04:34 C 13 33 11.156 -03 48 56.41 V 703
2023-04-10 15:16:04 C 13 32 45.749 -03 47 02.62 V P07
2023-04-10 16:12:30 C 13 32 39.386 -03 46 41.27 V P07
2023-04-10 17:14:37 C 13 32 32.352 -03 46 17.47 V P07
2023-04-10 18:15:46 C 13 32 25.442 -03 45 54.25 V P07
2023-04-10 18:17:54 C 13 32 25.200 -03 45 53.46 V P07
2023-04-10 19:30:18 C 13 32 17.050 -03 45 25.20 V P07
2023-04-10 20:02:50 C 13 32 15.22 -03 45 35.1 V M50
2023-04-10 20:07:34 C 13 32 14.69 -03 45 33.3 V M50
2023-04-10 20:31:28 C 13 32 11.91 -03 45 26.1 Y 557
2023-04-10 21:30:04 C 13 32 05.38 -03 45 03.7 Y 557
2023-04-10 22:31:15 C 13 31 58.51 -03 44 40.5 Y 557
2023-04-11 05:27:55 C 13 31 12.593 -03 41 33.25 V W68
2023-04-11 05:35:49 C 13 31 11.683 -03 41 30.19 V W68
2023-04-11 05:41:16 C 13 31 11.062 -03 41 28.07 V W68
2023-04-11 06:21:24 C 13 31 06.425 -03 41 12.44 V W68
2023-04-11 21:40:22 C 13 29 24.41 -03 35 39.4 Y 557
2023-04-11 22:41:32 C 13 29 17.22 -03 35 15.4 Y 557
2023-04-11 23:40:10 C 13 29 10.30 -03 34 52.1 Y 557
2023-04-12 00:41:19 C 13 29 03.08 -03 34 27.8 Y 557
2023-04-12 01:42:29 C 13 28 55.89 -03 34 03.4 Y 557
2023-04-12 02:41:06 C 13 28 49.01 -03 33 39.9 Y 557
2023-04-12 03:36:57 C 13 28 43.59 -03 33 00.6 q X33
2023-04-12 03:39:29 C 13 28 43.26 -03 32 59.5 q X33
2023-04-12 03:42:00 C 13 28 42.93 -03 32 58.5 q X33
2023-04-12 20:04:24 C 13 26 49.07 -03 26 37.3 V M50
2023-04-12 20:30:38 C 13 26 45.88 -03 26 26.6 V M50
2023-04-13 09:10:40 C 13 25 14.564 -03 21 06.86 U F52
2023-04-13 09:29:03 C 13 25 12.237 -03 20 59.33 U F52
2023-04-13 10:05:49 C 13 25 07.552 -03 20 43.30 U F52
2023-04-13 23:17:30 B 13 23 30.18 -03 15 21.8 V L65
2023-04-13 23:26:45 B 13 23 29.03 -03 15 18.0 V L65
2023-04-13 23:38:04 B 13 23 27.58 -03 15 13.2 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)