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
2021-12-22 19:08:52 C 01 27 35.91 +20 25 16.7 V G02
2021-12-25 05:57:57 C 01 37 14.06 +21 10 05.9 V T08
2021-12-25 06:02:36 C 01 37 14.77 +21 10 09.2 V T08
2021-12-25 06:13:05 C 01 37 16.36 +21 10 16.6 V T08
2021-12-25 06:29:12 C 01 37 18.82 +21 10 28.1 V T08
2021-12-25 12:03:42 C 01 38 11.43 +21 14 19.3 V D29
2021-12-25 12:34:15 C 01 38 16.07 +21 14 40.5 V D29
2021-12-25 13:04:48 C 01 38 20.69 +21 15 01.5 V D29
2021-12-26 11:41:23 C 01 41 50.27 +21 30 26.0 V D29
2021-12-26 12:03:44 C 01 41 53.58 +21 30 40.6 V D29
2021-12-26 12:24:06 C 01 41 56.58 +21 30 54.1 V D29
2021-12-27 03:47:17 C 01 44 15.64 +21 40 56.5 V 703
2021-12-27 03:55:30 C 01 44 16.83 +21 41 01.6 V 703
2021-12-27 04:03:43 C 01 44 18.02 +21 41 07.0 V 703
2021-12-27 04:11:56 C 01 44 19.21 +21 41 12.4 V 703
2022-01-02 12:43:26 C 02 05 21.19 +23 05 24.4 V D29
2022-01-02 13:24:10 C 02 05 26.27 +23 05 43.7 V D29
2022-01-04 04:21:25 C 02 10 20.59 +23 23 39.2 V 703
2022-01-04 04:29:39 C 02 10 21.57 +23 23 42.7 V 703
2022-01-04 04:37:53 C 02 10 22.56 +23 23 46.2 V 703
2022-01-04 04:46:06 C 02 10 23.56 +23 23 49.8 V 703
2022-01-05 03:19:28 C 02 13 09.97 +23 33 41.0 V G96
2022-01-05 03:27:46 C 02 13 10.95 +23 33 44.4 V G96
2022-01-05 03:36:02 C 02 13 11.92 +23 33 48.1 V G96
2022-01-05 03:44:18 C 02 13 12.90 +23 33 51.6 V G96
2022-01-06 13:05:53 C 02 17 13.14 +23 47 45.2 V D29
2022-01-06 13:28:48 C 02 17 15.78 +23 47 54.1 V D29
2022-01-06 13:51:42 C 02 17 18.44 +23 48 03.5 V D29
2022-01-06 19:18:31 C 02 17 57.52 +23 50 12.3 V K74
2022-01-06 19:22:04 C 02 17 57.92 +23 50 14.2 V K74
2022-01-06 19:25:07 C 02 17 58.24 +23 50 15.4 V K74
2022-01-07 11:16:21 C 02 19 50.08 +23 56 36.3 V D29
2022-01-07 12:17:26 C 02 19 57.00 +23 57 00.2 V D29
2022-01-07 13:18:32 C 02 20 03.93 +23 57 23.6 V D29
2022-01-07 13:59:47 S 02 20 09.04 +23 57 41.0 L C51
2022-01-07 17:07:55 S 02 20 30.91 +23 58 54.4 L C51
2022-01-07 17:08:07 S 02 20 30.97 +23 58 54.2 L C51
2022-01-07 23:24:23 S 02 21 14.62 +24 01 19.9 L C51
2022-01-08 02:32:31 S 02 21 36.36 +24 02 32.2 L C51
2022-01-08 05:40:38 S 02 21 58.08 +24 03 44.0 L C51
2022-01-08 07:35:24 C 02 22 10.99 +24 04 29.1 V T05
2022-01-08 07:40:02 C 02 22 11.49 +24 04 30.8 V T05
2022-01-08 07:49:56 C 02 22 12.61 +24 04 34.5 V T05
2022-01-08 08:07:47 C 02 22 14.60 +24 04 41.1 V T05
2022-01-08 08:48:46 S 02 22 19.79 +24 04 55.7 L C51
2022-01-08 10:22:51 S 02 22 30.59 +24 05 31.0 L C51
2022-01-08 11:56:55 S 02 22 41.45 +24 06 06.9 L C51
2022-01-08 13:30:59 S 02 22 52.17 +24 06 42.7 L C51
2022-01-08 15:05:03 S 02 23 02.957 +24 07 17.87 L C51
2022-01-08 16:39:07 S 02 23 13.77 +24 07 53.2 L C51
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)