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
2005-12-14 01:28:37 C 03 41 55.03 +35 13 46.9 r 084
2005-12-14 01:31:21 C 03 41 54.90 +35 13 45.2 r 084
2005-12-17 21:47:10 C 03 39 15.31 +34 21 51.0 c A41
2005-12-17 21:58:13 C 03 39 15.00 +34 21 45.7 c A41
2005-12-17 22:07:52 C 03 39 14.71 +34 21 40.5 c A41
2005-12-17 22:17:05 C 03 39 14.50 +34 21 35.0 c A41
2005-12-17 22:26:03 C 03 39 14.28 +34 21 30.4 c A41
2005-12-18 22:17:08 C 03 38 47.01 +34 09 17.6 o A32
2005-12-18 22:23:36 C 03 38 46.88 +34 09 14.3 o A32
2005-12-18 22:34:56 C 03 38 46.63 +34 09 08.6 o A32
2005-12-20 02:52:17 C 03 38 21.36 +33 55 23.3 r 726
2005-12-20 02:57:19 C 03 38 21.30 +33 55 21.0 r 726
2005-12-20 03:01:20 C 03 38 21.20 +33 55 19.3 r 726
2005-12-20 18:42:19 C 03 38 09.67 +33 47 53.1 r 084
2005-12-20 18:44:26 C 03 38 09.65 +33 47 52.1 r 084
2005-12-21 01:04:21 C 03 38 05.84 +33 45 01.3 o H89
2005-12-21 03:32:06 C 03 38 03.65 +33 43 54.0 o H89
2005-12-21 04:56:01 C 03 38 02.45 +33 43 15.1 o H89
2005-12-22 21:12:52 C 03 37 45.35 +33 25 27.8 r 084
2005-12-22 21:14:58 C 03 37 45.32 +33 25 27.0 r 084
2005-12-23 04:31:28 C 03 37 44.03 +33 22 31.3 o 644
2005-12-23 05:02:22 C 03 37 43.74 +33 22 18.4 o 644
2005-12-23 05:35:36 C 03 37 43.45 +33 22 04.5 o 644
2005-12-24 04:51:51 C 03 37 40.23 +33 12 31.6 c 704
2005-12-24 05:11:02 C 03 37 40.11 +33 12 21.5 c 704
2005-12-24 05:30:05 C 03 37 39.96 +33 12 14.8 c 704
2005-12-24 05:48:56 C 03 37 39.86 +33 12 07.6 c 704
2005-12-24 06:07:46 C 03 37 39.72 +33 11 59.1 c 704
2005-12-25 21:51:13 C 03 37 43.10 +32 56 28.7 o A32
2005-12-25 22:04:08 C 03 37 43.10 +32 56 23.7 o A32
2005-12-25 22:17:04 C 03 37 43.09 +32 56 18.7 o A32
2005-12-25 22:30:00 C 03 37 43.11 +32 56 13.8 o A32
2005-12-25 22:42:56 C 03 37 43.11 +32 56 08.8 o A32
2005-12-26 18:25:05 C 03 37 49.09 +32 48 52.7 r 084
2005-12-26 18:27:12 C 03 37 49.08 +32 48 52.0 r 084
2005-12-27 17:30:08 C 03 37 58.54 +32 40 41.7 r 084
2005-12-27 20:17:11 C 03 37 59.37 +32 39 43.6 r 084
2005-12-27 20:19:18 C 03 37 59.39 +32 39 42.9 r 084
2005-12-28 01:09:25 C 03 38 01.34 +32 37 58.6 r 084
2005-12-28 01:11:32 C 03 38 01.40 +32 37 58.1 r 084
2005-12-28 19:05:18 C 03 38 12.18 +32 32 00.3 r 084
2005-12-28 19:07:25 C 03 38 12.17 +32 31 59.9 r 084
2005-12-29 04:49:40 C 03 38 18.43 +32 28 55.2 o 644
2005-12-29 05:20:41 C 03 38 18.64 +32 28 45.0 o 644
2005-12-29 05:51:52 C 03 38 18.84 +32 28 34.7 o 644
2006-01-07 03:44:03 C 03 42 35.56 +31 30 51.9 r 703
2006-01-07 03:56:02 C 03 42 35.85 +31 30 49.4 r 703
2006-01-07 04:08:00 C 03 42 36.14 +31 30 46.4 r 703
2006-01-07 04:20:00 C 03 42 36.43 +31 30 43.7 r 703
2006-01-07 04:33:04 C 03 42 36.75 +31 30 40.9 r 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)