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
2022-01-08 18:13:11 S 02 23 24.47 +24 08 29.4 L C51
2022-01-08 19:47:15 S 02 23 35.27 +24 09 03.9 L C51
2022-01-08 21:21:19 S 02 23 45.92 +24 09 38.5 L C51
2022-01-09 00:29:27 S 02 24 07.43 +24 10 49.1 L C51
2022-01-09 02:03:31 S 02 24 18.13 +24 11 23.1 L C51
2022-01-09 05:11:06 S 02 24 39.46 +24 12 33.1 L C51
2022-01-09 08:19:58 S 02 25 00.89 +24 13 42.1 L C51
2022-01-09 11:28:07 S 02 25 22.19 +24 14 50.9 L C51
2022-01-09 14:36:14 S 02 25 43.38 +24 16 00.2 L C51
2022-01-09 17:44:22 S 02 26 04.62 +24 17 07.8 L C51
2022-01-09 20:52:30 S 02 26 25.77 +24 18 15.3 L C51
2022-01-10 00:00:38 S 02 26 46.91 +24 19 22.9 L C51
2022-01-10 05:52:19 C 02 27 26.32 +24 21 30.2 V T08
2022-01-10 05:57:00 C 02 27 26.82 +24 21 31.9 V T08
2022-01-10 06:10:27 C 02 27 28.27 +24 21 37.0 V T08
2022-01-10 06:28:29 C 02 27 30.19 +24 21 43.6 V T08
2022-01-14 02:46:31 S 02 37 32.74 +24 52 29.7 L C51
2022-01-14 02:46:42 S 02 37 32.76 +24 52 28.9 L C51
2022-01-14 05:54:39 S 02 37 52.65 +24 53 29.2 L C51
2022-01-14 05:54:50 S 02 37 52.72 +24 53 27.6 L C51
2022-01-14 09:02:58 S 02 38 12.62 +24 54 26.3 L C51
2022-01-14 12:11:06 S 02 38 32.443 +24 55 24.10 L C51
2022-01-14 15:19:14 S 02 38 52.35 +24 56 23.3 L C51
2022-01-14 18:27:22 S 02 39 12.13 +24 57 22.3 L C51
2022-01-14 20:22:39 C 02 39 24.08 +24 57 53.0 V G17
2022-01-14 20:32:50 C 02 39 25.14 +24 57 55.8 V G17
2022-01-14 20:43:00 C 02 39 26.22 +24 57 59.4 V G17
2022-01-14 21:35:30 S 02 39 31.992 +24 58 19.09 L C51
2022-01-14 23:09:35 S 02 39 41.86 +24 58 47.6 L C51
2022-01-15 00:43:38 S 02 39 51.75 +24 59 16.8 L C51
2022-01-15 03:51:46 S 02 40 11.42 +25 00 14.7 L C51
2022-01-15 05:25:50 S 02 40 21.24 +25 00 42.6 L C51
2022-01-15 06:59:55 S 02 40 31.08 +25 01 10.6 L C51
2022-01-15 08:33:58 S 02 40 40.88 +25 01 40.1 L C51
2022-01-15 10:08:03 S 02 40 50.70 +25 02 07.5 L C51
2022-01-15 11:42:06 S 02 41 00.51 +25 02 35.7 L C51
2022-01-15 17:58:23 S 02 41 39.83 +25 04 28.5 L C51
2022-01-15 21:06:31 S 02 41 59.32 +25 05 24.7 L C51
2022-01-16 00:14:39 S 02 42 18.97 +25 06 20.7 L C51
2022-01-16 03:22:47 S 02 42 38.36 +25 07 16.3 L C51
2022-01-16 06:30:55 S 02 42 57.85 +25 08 12.0 L C51
2022-01-16 06:31:06 S 02 42 57.86 +25 08 11.7 L C51
2022-01-16 07:28:52 C 02 43 03.536 +25 08 29.33 U F52
2022-01-16 07:45:37 C 02 43 05.221 +25 08 34.07 U F52
2022-01-16 08:02:17 C 02 43 06.898 +25 08 38.75 U F52
2022-01-16 08:18:59 C 02 43 08.580 +25 08 43.45 U F52
2022-01-18 06:04:11 C 02 47 49.69 +25 21 48.1 V T08
2022-01-18 06:22:44 C 02 47 51.48 +25 21 53.6 V T08
2022-01-18 06:27:24 C 02 47 51.96 +25 21 54.5 V T08
2022-01-18 06:35:22 C 02 47 52.73 +25 21 56.7 V T08
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)