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
2021-12-11 15:58:15 S 00 31 17.75 +15 11 54.6 L C51
2021-12-11 18:18:06 C 00 31 54.93 +15 15 37.3 q 006
2021-12-11 18:19:58 C 00 31 55.39 +15 15 40.9 q 006
2021-12-11 18:21:49 C 00 31 55.88 +15 15 43.7 q 006
2021-12-11 18:23:42 C 00 31 56.35 +15 15 47.1 q 006
2021-12-11 18:25:34 C 00 31 56.82 +15 15 50.0 q 006
2021-12-11 18:27:25 C 00 31 57.33 +15 15 53.4 q 006
2021-12-11 18:29:45 C 00 31 57.94 +15 15 56.8 q 006
2021-12-11 18:31:10 C 00 31 58.27 +15 15 59.4 q 006
2021-12-11 19:06:23 S 00 32 07.06 +15 17 06.0 L C51
2021-12-11 22:14:32 S 00 32 56.069 +15 22 14.81 L C51
2021-12-12 01:22:40 S 00 33 44.789 +15 27 20.70 L C51
2021-12-12 01:22:51 S 00 33 44.858 +15 27 20.52 L C51
2021-12-12 04:30:59 S 00 34 33.300 +15 32 23.68 L C51
2021-12-12 07:39:07 S 00 35 21.461 +15 37 23.88 L C51
2021-12-12 20:05:49 C 00 38 29.56 +15 56 39.6 X L63
2021-12-12 20:14:49 C 00 38 31.77 +15 56 53.1 X L63
2021-12-12 20:23:47 C 00 38 34.00 +15 57 06.8 X L63
2021-12-16 20:33:47 C 01 00 37.03 +18 06 01.9 V G17
2021-12-16 20:36:23 C 01 00 37.56 +18 06 05.4 V G17
2021-12-16 20:38:58 C 01 00 38.08 +18 06 07.9 V G17
2021-12-17 06:21:03 C 01 02 40.24 +18 17 29.9 V T08
2021-12-17 06:45:49 C 01 02 45.21 +18 17 57.7 V T08
2021-12-17 06:50:32 C 01 02 46.17 +18 18 03.2 V T08
2021-12-17 06:58:31 C 01 02 47.76 +18 18 12.3 V T08
2021-12-17 12:31:00 C 01 03 56.53 +18 24 22.5 V D29
2021-12-17 12:50:24 C 01 04 00.40 +18 24 44.1 V D29
2021-12-17 13:09:48 C 01 04 04.29 +18 25 05.6 V D29
2021-12-18 11:59:36 C 01 08 40.82 +18 49 52.5 V D29
2021-12-18 12:23:51 C 01 08 45.48 +18 50 17.9 V D29
2021-12-18 12:48:06 C 01 08 50.15 +18 50 43.2 V D29
2021-12-19 18:00:57 C 01 14 29.59 +19 20 12.8 V K83
2021-12-19 18:03:55 C 01 14 30.15 +19 20 15.7 V K83
2021-12-19 18:06:54 C 01 14 30.71 +19 20 18.7 V K83
2021-12-20 20:11:10 C 01 19 20.18 +19 44 50.5 X K87
2021-12-20 20:14:20 C 01 19 20.74 +19 44 53.3 X K87
2021-12-20 20:17:30 C 01 19 21.31 +19 44 56.4 X K87
2021-12-21 05:32:48 C 01 21 01.16 +19 53 21.4 V 703
2021-12-21 05:40:35 C 01 21 02.52 +19 53 28.5 V 703
2021-12-21 05:48:23 C 01 21 03.90 +19 53 34.7 V 703
2021-12-21 05:56:10 C 01 21 05.26 +19 53 41.4 V 703
2021-12-21 09:16:30 C 01 21 40.92 +19 56 42.6 V T08
2021-12-21 09:25:50 C 01 21 42.56 +19 56 50.6 V T08
2021-12-21 09:43:48 C 01 21 45.70 +19 57 06.0 V T08
2021-12-21 09:48:26 C 01 21 46.53 +19 57 10.1 V T08
2021-12-21 13:29:39 C 01 22 26.42 +20 00 22.1 V D29
2021-12-21 13:46:01 C 01 22 29.25 +20 00 36.0 V D29
2021-12-21 14:02:23 C 01 22 32.08 +20 00 50.1 V D29
2021-12-22 19:02:39 C 01 27 34.89 +20 25 12.1 V G02
2021-12-22 19:05:45 C 01 27 35.39 +20 25 14.1 V G02
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)