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
2026-01-21 07:16:04 C 09 36 15.224 +25 56 07.08 V 703
2026-01-21 07:19:20 C 09 36 15.037 +25 56 07.98 V 703
2026-01-21 07:22:39 C 09 36 14.821 +25 56 09.82 V 703
2026-01-21 07:25:55 C 09 36 14.566 +25 56 12.59 V 703
2026-01-21 19:31:57 C 09 35 22.744 +26 00 58.53 X 327
2026-01-21 19:52:45 C 09 35 21.249 +26 01 06.96 X 327
2026-01-21 20:09:59 C 09 35 19.959 +26 01 13.62 X 327
2026-01-24 17:32:49 C 09 30 17.156 +26 28 15.25 V D29
2026-01-24 17:53:11 C 09 30 15.614 +26 28 22.98 V D29
2026-01-24 18:13:32 C 09 30 14.053 +26 28 30.88 V D29
2026-01-26 17:15:04 C 09 26 42.309 +26 46 06.10 W O18
2026-01-26 18:08:12 C 09 26 38.191 +26 46 25.72 W O18
2026-01-27 09:42:24 C 09 25 26.803 +26 52 07.43 V 703
2026-01-27 09:48:59 C 09 25 26.238 +26 52 08.51 V 703
2026-01-27 09:52:17 C 09 25 26.008 +26 52 10.78 V 703
2026-01-30 06:37:38 C 09 20 07.501 +27 16 15.78 V G96
2026-01-30 06:45:20 C 09 20 06.893 +27 16 18.37 V G96
2026-01-30 06:53:03 C 09 20 06.263 +27 16 21.00 V G96
2026-01-30 07:00:44 C 09 20 05.651 +27 16 23.77 V G96
2026-02-05 14:47:27 C 09 08 09.241 +28 02 46.34 W O18
2026-02-05 16:19:29 C 09 08 01.876 +28 03 11.77 W O18
2026-02-06 07:40:18 C 09 06 49.252 +28 07 17.47 V 703
2026-02-06 07:43:36 C 09 06 48.985 +28 07 19.42 V 703
2026-02-06 07:46:53 C 09 06 48.769 +28 07 19.70 V 703
2026-02-06 07:50:16 C 09 06 48.445 +28 07 20.03 V 703
2026-02-06 08:53:46 C 09 06 43.391 +28 07 37.78 V G96
2026-02-06 09:01:21 C 09 06 42.779 +28 07 39.72 V G96
2026-02-06 09:08:57 C 09 06 42.174 +28 07 41.56 V G96
2026-02-06 09:16:32 C 09 06 41.562 +28 07 43.57 V G96
2026-02-07 10:34:39 C 09 04 42.926 +28 14 13.31 V T08
2026-02-07 10:39:55 C 09 04 42.583 +28 14 14.39 V T08
2026-02-07 11:04:43 C 09 04 40.370 +28 14 21.59 V T08
2026-02-07 11:13:20 C 09 04 39.689 +28 14 24.04 V T08
2026-02-08 07:34:31 C 09 03 04.561 +28 19 21.14 V 703
2026-02-08 07:37:56 C 09 03 04.298 +28 19 22.55 V 703
2026-02-08 07:41:15 C 09 03 04.079 +28 19 22.73 V 703
2026-02-08 07:44:33 C 09 03 03.776 +28 19 23.81 V 703
2026-02-12 14:58:09 C 08 55 10.406 +28 41 21.40 W O18
2026-02-12 15:43:33 C 08 55 06.935 +28 41 30.12 W O18
2026-02-14 13:55:48 C 08 51 41.967 +28 49 32.41 V D29
2026-02-14 14:16:10 C 08 51 40.443 +28 49 35.80 V D29
2026-02-14 14:36:31 C 08 51 38.925 +28 49 39.10 V D29
2026-02-15 07:31:46 C 08 50 25.058 +28 52 18.37 V G96
2026-02-15 07:39:15 C 08 50 24.493 +28 52 19.38 V G96
2026-02-15 07:46:45 C 08 50 23.942 +28 52 20.60 V G96
2026-02-15 07:54:14 C 08 50 23.384 +28 52 21.58 V G96
2026-02-18 11:38:01 C 08 45 04.447 +29 02 23.72 V D29
2026-02-18 11:58:22 C 08 45 03.054 +29 02 26.32 V D29
2026-02-18 12:18:44 C 08 45 01.607 +29 02 28.69 V D29
2026-02-19 10:05:55 C 08 43 32.842 +29 04 51.14 X F51
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)