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
2018-12-04 12:15:41 C 10 45 11.11 +15 53 13.7 V G96
2018-12-09 11:32:43 C 10 47 45.27 +15 54 49.2 U I41
2018-12-09 12:58:34 C 10 47 46.80 +15 54 52.0 U I41
2018-12-12 11:56:43 C 10 48 59.39 +15 58 03.7 U I41
2018-12-12 13:01:25 C 10 49 00.32 +15 58 07.0 U I41
2018-12-30 04:40:53 C 10 50 35.42 +16 55 15.2 19.8 q J43
2018-12-30 04:53:11 C 10 50 35.27 +16 55 17.9 19.9 q J43
2018-12-30 05:05:29 C 10 50 35.16 +16 55 20.4 19.7 q J43
2018-12-30 05:17:47 C 10 50 35.03 +16 55 23.1 19.9 q J43
2019-01-08 11:26:26 C 10 46 55.492 +17 52 56.43 U F51
2019-01-08 11:45:05 C 10 46 55.015 +17 53 02.08 U F51
2019-01-08 12:03:48 C 10 46 54.532 +17 53 07.82 U F51
2019-01-08 12:22:35 C 10 46 54.050 +17 53 13.50 U F51
2019-01-17 07:03:46 C 10 40 10.12 +19 04 04.2 V G96
2019-01-17 07:11:08 C 10 40 09.85 +19 04 07.0 V G96
2019-01-17 07:18:27 C 10 40 09.54 +19 04 09.8 V G96
2019-01-17 07:25:48 C 10 40 09.24 +19 04 12.5 V G96
2019-01-26 11:39:46 C 10 29 42.26 +20 30 36.3 V G96
2019-01-26 11:47:13 C 10 29 41.85 +20 30 39.5 V G96
2019-01-26 11:56:17 C 10 29 41.35 +20 30 43.2 V G96
2019-01-26 12:05:09 C 10 29 40.83 +20 30 46.4 V G96
2019-01-28 08:40:47 C 10 27 10.17 +20 49 09.8 V 703
2019-01-28 08:48:23 C 10 27 09.74 +20 49 13.1 V 703
2019-01-28 08:55:59 C 10 27 09.24 +20 49 16.2 V 703
2019-01-28 09:03:36 C 10 27 08.84 +20 49 19.7 V 703
2019-01-30 02:16:10 C 10 24 42.65 +21 06 24.8 19.2 q J43
2019-01-30 02:28:31 C 10 24 41.89 +21 06 30.0 19.1 q J43
2019-01-30 02:40:43 C 10 24 41.14 +21 06 35.1 19.2 q J43
2019-01-30 02:52:59 C 10 24 40.36 +21 06 40.0 19.1 q J43
2019-02-04 02:16:49 C 10 17 04.04 +21 56 04.5 19.2 q J43
2019-02-04 02:29:07 C 10 17 03.18 +21 56 09.7 19.2 q J43
2019-02-04 02:41:18 C 10 17 02.37 +21 56 15.0 19.3 q J43
2019-02-04 02:53:33 C 10 17 01.50 +21 56 19.3 19.1 q J43
2019-02-05 09:20:37 C 10 14 58.586 +22 08 45.24 U F51
2019-02-05 09:37:35 C 10 14 57.403 +22 08 52.21 U F51
2019-02-05 10:11:33 C 10 14 55.030 +22 09 06.12 U F51
2019-02-05 12:09:16 C 10 14 46.81 +22 09 53.9 V T05
2019-02-05 12:21:34 C 10 14 45.91 +22 09 58.5 V T05
2019-02-05 12:31:34 C 10 14 45.27 +22 10 03.4 V T05
2019-02-05 12:49:04 C 10 14 43.99 +22 10 10.3 V T05
2019-02-08 07:20:13 C 10 10 06.33 +22 36 43.2 V 703
2019-02-08 07:27:49 C 10 10 05.76 +22 36 46.1 V 703
2019-02-08 07:35:25 C 10 10 05.23 +22 36 49.2 V 703
2019-02-08 07:43:02 C 10 10 04.58 +22 36 51.6 V 703
2019-02-08 08:51:19 C 10 09 59.72 +22 37 19.0 V G96
2019-02-08 09:03:07 C 10 09 58.87 +22 37 23.7 V G96
2019-02-08 09:14:45 C 10 09 58.02 +22 37 28.2 V G96
2019-02-08 09:22:14 C 10 09 57.47 +22 37 31.2 V G96
2019-02-11 00:15:51 C 10 05 26.44 +23 01 42.7 V C95
2019-02-11 00:17:50 C 10 05 26.30 +23 01 43.1 V C95
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)