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
2023-04-14 05:09:25 C 13 22 46.044 -03 12 23.00 V W68
2023-04-14 05:14:00 C 13 22 45.451 -03 12 21.06 V W68
2023-04-14 05:23:56 C 13 22 44.150 -03 12 16.78 V W68
2023-04-14 05:25:14 C 13 22 43.990 -03 12 16.24 V W68
2023-04-14 05:31:08 C 13 22 43.214 -03 12 13.61 V W68
2023-04-14 05:38:19 C 13 22 42.259 -03 12 10.69 V W68
2023-04-14 05:38:59 C 13 22 42.180 -03 12 10.33 V W68
2023-04-14 05:53:28 C 13 22 40.279 -03 12 04.07 V W68
2023-04-14 08:02:39 C 13 22 24.172 -03 11 32.75 V 703
2023-04-14 08:10:13 C 13 22 23.171 -03 11 29.58 V 703
2023-04-14 08:17:48 C 13 22 22.177 -03 11 26.12 V 703
2023-04-14 08:25:23 C 13 22 21.184 -03 11 22.96 V 703
2023-04-14 22:27:29 B 13 20 34.09 -03 05 25.5 V L65
2023-04-14 22:36:46 B 13 20 32.87 -03 05 21.2 V L65
2023-04-14 22:48:05 B 13 20 31.33 -03 05 16.4 V L65
2023-04-15 22:34:13 C 13 17 22.694 -02 54 15.23 V M22
2023-04-15 23:20:48 C 13 17 16.140 -02 53 54.24 V M22
2023-04-15 23:24:56 C 13 17 15.559 -02 53 52.55 V M22
2023-04-15 23:32:24 C 13 17 14.510 -02 53 49.06 V M22
2023-04-17 04:09:30 C 13 13 17.525 -02 40 46.49 V W68
2023-04-17 04:14:15 C 13 13 16.826 -02 40 44.26 V W68
2023-04-17 05:00:46 C 13 13 09.953 -02 40 22.62 V W68
2023-04-17 05:11:17 C 13 13 08.398 -02 40 17.90 V W68
2023-04-17 07:37:36 C 13 12 47.682 -02 39 35.10 V 703
2023-04-17 07:45:47 C 13 12 46.465 -02 39 31.28 V 703
2023-04-17 07:53:57 C 13 12 45.256 -02 39 27.58 V 703
2023-04-17 08:02:08 C 13 12 44.042 -02 39 23.58 V 703
2023-04-17 19:33:43 C 13 11 05.43 -02 34 04.3 V C40
2023-04-17 19:36:42 C 13 11 04.98 -02 34 02.6 V C40
2023-04-17 19:39:51 C 13 11 04.50 -02 34 01.2 V C40
2023-04-18 06:54:21 C 13 09 25.376 -02 28 37.81 V G96
2023-04-18 07:02:25 C 13 09 24.131 -02 28 33.92 V G96
2023-04-18 07:10:30 C 13 09 22.889 -02 28 30.11 V G96
2023-04-18 07:18:35 C 13 09 21.647 -02 28 26.26 V G96
2023-04-18 18:22:26 C 13 07 43.59 -02 23 12.1 V C40
2023-04-18 18:31:28 C 13 07 42.20 -02 23 07.8 V C40
2023-04-18 18:43:55 C 13 07 40.27 -02 23 01.9 V C40
2023-04-18 19:01:35 C 13 07 37.54 -02 22 53.3 V C40
2023-04-18 19:21:16 C 13 07 34.48 -02 22 43.8 V C40
2023-04-18 19:40:59 C 13 07 31.42 -02 22 34.4 V C40
2023-04-18 22:19:28 C 13 07 07.046 -02 20 46.75 V M22
2023-04-18 22:24:21 C 13 07 06.262 -02 20 44.52 V M22
2023-04-18 22:32:44 C 13 07 04.942 -02 20 40.42 V M22
2023-04-18 23:23:35 C 13 06 56.942 -02 20 15.68 V M22
2023-04-20 03:51:34 C 13 02 33.206 -02 06 17.93 V W68
2023-04-20 03:56:47 C 13 02 32.350 -02 06 15.30 V W68
2023-04-20 04:47:08 C 13 02 24.053 -02 05 50.17 V W68
2023-04-20 04:54:57 C 13 02 22.771 -02 05 46.21 V W68
2023-04-20 08:02:22 C 13 01 52.882 -02 04 39.90 V 703
2023-04-20 08:09:58 C 13 01 51.632 -02 04 36.16 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)