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
2023-05-08 21:41:47 C 11 29 52.09 +01 57 25.7 Y 557
2023-05-08 22:15:52 C 11 29 43.48 +01 57 43.6 Y 557
2023-05-09 04:35:00 C 11 28 09.28 +02 01 07.3 V 932
2023-05-09 04:37:28 C 11 28 08.66 +02 01 08.6 V 932
2023-05-09 04:39:56 C 11 28 08.04 +02 01 09.9 V 932
2023-05-09 05:19:04 C 11 27 58.900 +02 01 35.58 V 703
2023-05-09 05:20:50 C 11 27 58.460 +02 01 36.37 V 703
2023-05-09 05:22:36 C 11 27 57.996 +02 01 37.45 V 703
2023-05-09 05:24:22 C 11 27 57.550 +02 01 38.28 V 703
2023-05-09 19:51:36 C 11 24 21.823 +02 09 51.23 V M22
2023-05-09 20:06:09 C 11 24 18.060 +02 09 58.86 V M22
2023-05-09 20:10:43 C 11 24 16.870 +02 10 01.13 V M22
2023-05-09 20:18:35 C 11 24 14.846 +02 10 05.23 V M22
2023-05-09 21:31:01 C 11 23 56.60 +02 09 55.7 Y 557
2023-05-09 22:08:10 C 11 23 47.12 +02 10 15.0 Y 557
2023-05-09 22:45:20 C 11 23 37.64 +02 10 34.1 Y 557
2023-05-10 05:22:41 C 11 21 58.216 +02 14 09.17 V 703
2023-05-10 05:24:27 C 11 21 57.751 +02 14 10.10 V 703
2023-05-10 05:26:13 C 11 21 57.290 +02 14 10.97 V 703
2023-05-10 05:27:58 C 11 21 56.840 +02 14 11.94 V 703
2023-05-10 19:08:58 C 11 18 29.98 +02 21 08.3 V C40
2023-05-10 19:30:36 C 11 18 24.35 +02 21 19.2 V C40
2023-05-10 19:52:15 C 11 18 18.73 +02 21 30.3 V C40
2023-05-11 01:45:18 C 11 16 49.668 +02 25 15.24 V W68
2023-05-11 01:49:54 C 11 16 48.468 +02 25 17.65 V W68
2023-05-11 02:00:20 C 11 16 45.713 +02 25 22.87 V W68
2023-05-11 02:17:18 C 11 16 41.254 +02 25 31.58 V W68
2023-05-11 04:52:32 C 11 16 01.837 +02 26 12.48 V 703
2023-05-11 04:54:18 C 11 16 01.373 +02 26 13.24 V 703
2023-05-11 04:56:04 C 11 16 00.908 +02 26 14.10 V 703
2023-05-11 04:57:50 C 11 16 00.440 +02 26 14.96 V 703
2023-05-11 19:02:36 C 11 12 24.88 +02 33 15.3 V C40
2023-05-11 19:24:16 C 11 12 19.20 +02 33 26.2 V C40
2023-05-11 19:45:55 C 11 12 13.52 +02 33 37.0 V C40
2023-05-12 04:45:56 C 11 09 55.120 +02 38 13.49 V 703
2023-05-12 04:47:42 C 11 09 54.652 +02 38 14.17 V 703
2023-05-12 04:49:28 C 11 09 54.187 +02 38 15.07 V 703
2023-05-12 04:51:13 C 11 09 53.712 +02 38 16.04 V 703
2023-05-13 22:19:10 S 10 59 08.69 +02 58 47.6 L C51
2023-05-13 23:52:41 S 10 58 44.20 +02 59 32.1 L C51
2023-05-14 01:26:11 S 10 58 19.68 +03 00 16.8 L C51
2023-05-14 02:59:42 S 10 57 55.15 +03 01 01.3 L C51
2023-05-14 04:38:50 C 10 57 28.321 +03 01 31.08 V 703
2023-05-14 04:40:36 C 10 57 27.835 +03 01 32.05 V 703
2023-05-14 04:42:22 C 10 57 27.367 +03 01 32.77 V 703
2023-05-14 04:44:08 C 10 57 26.892 +03 01 33.56 V 703
2023-05-14 06:06:33 S 10 57 06.09 +03 02 30.6 L C51
2023-05-14 06:06:45 S 10 57 06.04 +03 02 30.0 L C51
2023-05-15 12:48:22 C 10 48 58.92 +03 16 31.5 V D29
2023-05-15 13:08:43 C 10 48 53.33 +03 16 40.7 V D29
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)