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
2026-02-19 10:22:47 C 08 43 31.681 +29 04 52.81 X F51
2026-02-19 10:39:38 C 08 43 30.518 +29 04 54.46 X F51
2026-02-21 08:31:19 C 08 40 30.240 +29 09 03.31 V T05
2026-02-21 09:10:00 C 08 40 27.742 +29 09 05.87 V T05
2026-02-21 09:13:56 C 08 40 27.504 +29 09 06.80 V T05
2026-02-21 09:52:12 C 08 40 24.917 +29 09 09.47 V T05
2026-02-21 13:50:59 C 08 40 09.877 +29 09 26.78 V D29
2026-02-21 14:11:21 C 08 40 08.557 +29 09 28.32 V D29
2026-02-22 13:36:44 C 08 38 40.019 +29 11 07.49 V D29
2026-02-22 13:57:06 C 08 38 38.726 +29 11 08.85 V D29
2026-02-22 14:17:28 C 08 38 37.436 +29 11 10.69 V D29
2026-02-24 13:00:22 C 08 35 47.576 +29 13 41.30 V D29
2026-02-24 13:20:44 C 08 35 46.339 +29 13 42.02 V D29
2026-02-24 23:04:48 B 08 35 11.918 +29 14 04.42 q Y84
2026-02-24 23:21:56 B 08 35 10.896 +29 14 05.14 q Y84
2026-02-24 23:39:05 B 08 35 09.874 +29 14 05.86 q Y84
2026-02-25 21:54:06 B 08 33 53.230 +29 14 50.50 q Y84
2026-02-25 22:11:14 B 08 33 52.265 +29 14 51.18 q Y84
2026-02-25 22:28:24 B 08 33 51.276 +29 14 51.40 q Y84
2026-03-04 08:05:18 C 08 26 01.840 +29 14 25.37 X F51
2026-03-04 08:33:36 C 08 26 00.503 +29 14 24.36 X F51
2026-03-04 08:47:18 C 08 25 59.864 +29 14 23.95 X F51
2026-03-09 12:16:55 C 08 21 02.197 +29 07 45.31 V D29
2026-03-09 12:18:12 C 08 21 02.156 +29 07 46.63 V D29
2026-03-09 12:37:17 C 08 21 01.478 +29 07 44.81 V D29
2026-03-09 12:38:33 C 08 21 01.432 +29 07 44.44 V D29
2026-03-09 12:57:39 C 08 21 00.714 +29 07 43.62 V D29
2026-03-20 04:19:52 C 08 14 31.528 +28 40 36.84 V V00
2026-03-20 04:27:55 C 08 14 31.391 +28 40 35.69 V V00
2026-03-20 04:35:58 C 08 14 31.247 +28 40 34.61 V V00
2026-03-20 04:44:01 C 08 14 31.110 +28 40 33.56 V V00
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)