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
2005-02-03 11:11:43 C 12 16 59.74 +07 10 50.2 c 704
2005-02-03 11:30:17 C 12 16 59.34 +07 10 54.8 c 704
2005-03-02 22:24:28 C 11 47 59.54 +11 16 11.1 c A41
2005-03-02 23:07:41 C 11 47 56.51 +11 16 31.7 c A41
2005-03-02 23:51:58 C 11 47 53.38 +11 16 51.9 c A41
2005-03-05 00:10:18 C 11 44 29.12 +11 39 11.6 o 084
2005-03-07 00:11:21 C 11 40 58.12 +12 01 29.8 c A41
2005-03-07 00:52:24 C 11 40 54.97 +12 01 49.7 c A41
2005-03-07 01:33:34 C 11 40 51.86 +12 02 08.4 c A41
2005-03-08 00:04:46 C 11 39 10.38 +12 12 34.7 r 170
2005-03-08 00:06:37 C 11 39 10.25 +12 12 34.8 r 170
2005-03-08 00:10:17 C 11 39 10.01 +12 12 36.1 r 170
2005-03-09 09:48:37 C 11 36 35.16 +12 28 08.9 c 704
2005-03-09 10:06:26 C 11 36 33.76 +12 28 17.3 c 704
2005-03-09 10:23:38 C 11 36 32.38 +12 28 23.4 c 704
2005-03-09 10:40:40 C 11 36 31.06 +12 28 31.5 c 704
2005-03-09 10:57:46 C 11 36 29.71 +12 28 38.9 c 704
2005-03-09 23:39:49 C 11 35 30.77 +12 34 26.0 o 084
2005-03-10 07:49:57 C 11 34 52.62 +12 38 13.8 o 699
2005-03-10 08:17:58 C 11 34 50.36 +12 38 26.2 o 699
2005-03-10 08:45:59 C 11 34 48.14 +12 38 39.2 o 699
2005-03-10 09:14:03 C 11 34 45.86 +12 38 51.8 o 699
2005-03-14 07:38:23 C 11 27 12.95 +13 21 05.2 r H45
2005-03-14 07:41:52 C 11 27 12.61 +13 21 06.5 r H45
2005-03-14 07:45:08 C 11 27 12.42 +13 21 08.6 r H45
2005-03-14 07:48:42 C 11 27 12.08 +13 21 10.8 r H45
2005-03-15 20:27:32 C 11 24 12.91 +13 36 57.0 r A30
2005-03-15 20:28:47 C 11 24 12.83 +13 36 57.5 r A30
2005-03-15 20:30:05 C 11 24 12.72 +13 36 58.2 r A30
2005-03-16 06:52:31 C 11 23 21.37 +13 41 24.0 r 703
2005-03-16 07:04:48 C 11 23 20.31 +13 41 29.6 r 703
2005-03-16 07:17:09 C 11 23 19.28 +13 41 35.2 r 703
2005-03-16 07:29:28 C 11 23 18.24 +13 41 40.2 r 703
2005-03-16 09:46:54 C 11 23 06.66 +13 42 39.3 c 704
2005-03-16 10:03:55 C 11 23 05.31 +13 42 45.7 c 704
2005-03-16 10:20:29 C 11 23 03.93 +13 42 51.1 c 704
2005-03-16 10:38:19 C 11 23 02.38 +13 42 59.3 c 704
2005-03-16 10:54:57 C 11 23 01.13 +13 43 06.3 c 704
2005-03-16 22:55:05 C 11 22 02.00 +13 48 04.4 o 084
2005-03-16 23:00:44 C 11 22 01.53 +13 48 07.0 o 084
2005-03-17 23:05:49 C 11 20 02.37 +13 58 04.7 18.3 r 130
2005-03-17 23:11:49 C 11 20 01.88 +13 58 07.5 18.1 r 130
2005-03-17 23:16:50 C 11 20 01.44 +13 58 08.9 18.2 r 130
2005-03-17 23:21:33 C 11 20 01.05 +13 58 11.2 18.2 r 130
2005-03-29 22:27:20 C 10 56 46.51 +15 36 11.7 o 084
2005-03-29 22:32:59 C 10 56 46.08 +15 36 13.9 o 084
2005-03-31 19:48:35 C 10 53 20.87 +15 47 36.9 c 113
2005-03-31 19:50:09 C 10 53 20.77 +15 47 37.2 c 113
2005-03-31 19:51:46 C 10 53 20.64 +15 47 37.8 c 113
2005-03-31 19:53:21 C 10 53 20.54 +15 47 38.4 c 113
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)