IAA RAS IAA Minor Planet Database

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
2023-12-03 13:48:27 s 1 +70973.162 0 +291503.32 2230.0 – C57
2023-12-03 22:08:27 S 08 52 35.707 +28 05 10.82 – V C57
2023-12-03 22:08:27 s 1 +49090.916 0 +281116.93 9630.0 – C57
2023-12-04 01:48:27 S 08 52 25.946 +28 06 38.27 – V C57
2023-12-04 01:48:27 s 1 +39221.766 0 +275250.19 1630.0 – C57
2023-12-04 05:28:27 S 08 52 16.846 +28 08 00.38 – V C57
2023-12-04 05:28:27 s 1 +29234.406 0 +268545.09 1310.0 – C57
2023-12-04 08:08:27 S 08 52 09.223 +28 09 06.98 – V C57
2023-12-04 08:08:27 s 1 +21910.425 0 +263122.23 6760.0 – C57
2023-12-04 14:48:27 S 08 51 50.863 +28 11 36.85 – V C57
2023-12-04 15:48:27 S 08 51 48.516 +28 12 00.04 – V C57
2023-12-04 20:48:27 S 08 51 34.066 +28 13 55.31 – V C57
2023-12-04 20:48:27 s 1 -13191.078 0 +230605.30 7830.0 – C57
2023-12-05 00:08:27 S 08 51 25.459 +28 15 16.45 – V C57
2023-12-05 00:08:27 s 1 -22382.547 0 +220050.66 4700.0 – C57
2023-12-05 02:28:27 S 08 51 18.574 +28 16 15.06 – V C57
2023-12-05 02:28:27 s 1 -28764.512 0 +212131.27 0.351 – C57
2023-12-05 03:08:27 S 08 51 16.716 +28 16 31.37 – V C57
2023-12-05 03:08:27 s 1 -30577.405 0 +209786.26 0.457 – C57
2023-12-05 07:28:27 S 08 51 03.655 +28 18 03.67 – V C57
2023-12-05 07:28:27 s 1 -42209.338 0 +193627.80 0.592 – C57
2023-12-05 08:28:27 S 08 51 00.312 +28 18 32.83 – V C57
2023-12-05 08:28:27 s 1 -44847.752 0 +189668.58 0.635 – C57
2023-12-05 12:28:27 S 08 50 49.037 +28 20 03.52 – V C57
2023-12-05 12:28:27 s 1 -55172.954 0 +172940.86 0.859 – C57
2023-12-05 13:05:05 C 08 50 39.394 +28 20 56.00 – V T05
2023-12-05 13:09:12 C 08 50 39.209 +28 20 57.55 – V T05
2023-12-05 13:13:46 C 08 50 39.026 +28 20 59.75 – V T05
2023-12-05 13:21:56 C 08 50 38.630 +28 21 03.42 – V T05
2023-12-05 16:28:27 S 08 50 37.015 +28 21 43.74 – V C57
2023-12-05 16:28:27 s 1 -65028.873 0 +154750.64 0.219 – C57
2023-12-05 17:28:27 S 08 50 34.032 +28 22 07.72 – V C57
2023-12-05 17:28:27 s 1 -67401.006 0 +149969.66 0.958 – C57
2023-12-05 18:08:27 S 08 50 31.140 +28 22 20.75 – V C57
2023-12-05 18:08:27 s 1 -68959.061 0 +146729.92 0.021 – C57
2023-12-05 20:48:27 S 08 50 23.038 +28 23 27.82 – V C57
2023-12-05 20:48:27 s 1 -74984.425 0 +133350.11 0.196 – C57
2023-12-05 21:28:27 S 08 50 21.590 +28 23 42.97 – V C57
2023-12-05 21:28:27 s 1 -76434.021 0 +129899.61 0.193 – C57
2023-12-05 22:48:27 S 08 50 17.534 +28 24 12.49 – V C57
2023-12-05 22:48:27 s 1 -79257.796 0 +122872.25 0.295 – C57
2023-12-06 03:08:27 S 08 50 04.020 +28 25 58.80 – V C57
2023-12-06 03:08:27 s 1 -87634.470 0 +98879.730 0.293 – C57
2023-12-06 03:48:27 S 08 50 01.632 +28 26 15.11 – V C57
2023-12-06 03:48:27 s 1 -88798.996 0 +95035.041 0.035 – C57
2023-12-06 10:48:27 S 08 49 39.516 +28 29 13.74 – V C57
2023-12-06 10:48:27 s 1 -98463.556 0 +52393.991 0.557 – C57
2023-12-06 12:47:58 C 08 49 38.338 +28 31 16.79 – V T08
2023-12-06 12:52:14 C 08 49 38.129 +28 31 18.48 – V T08
2023-12-06 13:01:15 C 08 49 37.706 +28 31 22.30 – 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)