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
2022-01-18 13:11:01 C 02 48 32.61 +25 23 43.0 V D29
2022-01-18 13:23:23 C 02 48 33.82 +25 23 46.0 V D29
2022-01-18 13:35:45 C 02 48 35.07 +25 23 50.0 V D29
2022-01-22 06:58:58 C 02 57 27.03 +25 47 16.3 V T08
2022-01-22 07:01:56 C 02 57 27.316 +25 47 17.07 U F52
2022-01-22 07:04:58 C 02 57 27.58 +25 47 18.1 V T08
2022-01-22 07:13:35 C 02 57 28.40 +25 47 20.0 V T08
2022-01-22 07:19:34 C 02 57 28.988 +25 47 21.36 U F52
2022-01-22 07:37:07 C 02 57 30.656 +25 47 25.67 U F52
2022-01-22 07:43:34 C 02 57 31.25 +25 47 27.1 V T08
2022-01-24 04:58:18 C 03 01 54.05 +25 58 24.9 V 703
2022-01-24 05:05:53 C 03 01 54.74 +25 58 27.1 V 703
2022-01-24 05:13:28 C 03 01 55.44 +25 58 28.3 V 703
2022-01-24 05:21:03 C 03 01 56.18 +25 58 30.0 V 703
2022-01-24 08:32:38 C 03 02 14.53 +25 59 17.0 V T05
2022-01-24 08:36:38 C 03 02 14.90 +25 59 17.8 V T05
2022-01-24 08:46:33 C 03 02 15.83 +25 59 20.4 V T05
2022-01-24 09:02:22 C 03 02 17.32 +25 59 23.9 V T05
2022-01-27 06:18:13 C 03 08 52.48 +26 15 14.4 V T08
2022-01-27 06:22:55 C 03 08 52.92 +26 15 15.6 V T08
2022-01-27 06:30:33 C 03 08 53.61 +26 15 17.2 V T08
2022-01-27 06:55:20 C 03 08 55.82 +26 15 23.0 V T08
2022-01-28 06:05:29 C 03 11 06.37 +26 20 26.0 V T08
2022-01-28 06:10:09 C 03 11 06.84 +26 20 26.9 V T08
2022-01-28 06:15:27 C 03 11 07.33 +26 20 28.0 V T08
2022-01-28 06:18:46 C 03 11 07.60 +26 20 28.8 V T08
2022-01-28 06:28:05 C 03 11 08.43 +26 20 31.3 V T08
2022-01-28 06:34:21 C 03 11 08.99 +26 20 32.6 V T08
2022-01-28 06:35:00 C 03 11 09.08 +26 20 32.7 V T08
2022-01-28 06:49:09 C 03 11 10.39 +26 20 35.6 V T08
2022-01-30 06:01:49 C 03 15 33.93 +26 30 32.4 V T05
2022-01-30 06:07:50 C 03 15 34.48 +26 30 33.3 V T05
2022-01-30 06:15:47 C 03 15 35.18 +26 30 35.2 V T05
2022-01-30 06:50:38 C 03 15 38.31 +26 30 41.9 V T05
2022-01-31 07:23:57 C 03 17 54.18 +26 35 41.8 V T08
2022-01-31 07:29:15 C 03 17 54.61 +26 35 43.7 V T08
2022-01-31 07:40:33 C 03 17 55.61 +26 35 45.3 V T08
2022-01-31 08:07:07 C 03 17 58.01 +26 35 50.3 V T08
2022-02-03 06:57:33 C 03 24 26.53 +26 49 40.4 V T05
2022-02-03 07:02:51 C 03 24 26.96 +26 49 41.8 V T05
2022-02-03 07:12:07 C 03 24 27.82 +26 49 43.2 V T05
2022-02-03 07:27:16 C 03 24 29.15 +26 49 46.5 V T05
2022-02-05 06:08:19 C 03 28 42.51 +26 58 25.1 V T08
2022-02-05 06:12:27 C 03 28 42.91 +26 58 26.1 V T08
2022-02-05 06:20:26 C 03 28 43.57 +26 58 27.8 V T08
2022-02-05 06:52:47 C 03 28 46.41 +26 58 33.3 V T08
2022-02-06 03:46:13 C 03 30 39.19 +27 02 16.8 V 703
2022-02-06 03:54:26 C 03 30 39.86 +27 02 17.7 V 703
2022-02-06 04:55:00 C 03 30 45.29 +27 02 29.8 V 703
2022-02-06 05:58:32 C 03 30 51.14 +27 02 42.6 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)