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
2023-12-14 13:59:48 C 08 38 57.113 +29 59 44.70 V T08
2023-12-15 12:23:50 C 08 37 26.798 +30 10 14.84 V T05
2023-12-15 12:26:26 C 08 37 26.597 +30 10 15.92 V T05
2023-12-15 13:07:47 C 08 37 23.676 +30 10 35.90 V T05
2023-12-15 13:14:02 C 08 37 23.191 +30 10 38.71 V T05
2023-12-16 11:42:09 C 08 35 49.212 +30 21 10.73 V T05
2023-12-16 11:44:46 C 08 35 49.032 +30 21 12.49 V T05
2023-12-16 11:48:46 C 08 35 48.708 +30 21 14.26 V T05
2023-12-16 12:24:02 C 08 35 46.116 +30 21 30.96 V T05
2023-12-17 11:36:30 C 08 34 05.381 +30 32 23.24 V T08
2023-12-17 11:40:48 C 08 34 05.054 +30 32 25.30 V T08
2023-12-17 11:44:47 C 08 34 04.757 +30 32 26.84 V T08
2023-12-18 08:33:38 C 08 32 31.448 +30 42 07.67 V 703
2023-12-18 08:36:38 C 08 32 31.200 +30 42 09.32 V 703
2023-12-18 08:39:37 C 08 32 30.966 +30 42 10.55 V 703
2023-12-18 08:42:37 C 08 32 30.628 +30 42 12.60 V 703
2023-12-24 10:15:45 C 08 20 28.394 +31 48 03.02 V T05
2023-12-24 10:19:00 C 08 20 28.097 +31 48 04.10 V T05
2023-12-24 10:23:35 C 08 20 27.701 +31 48 06.41 V T05
2023-12-24 10:32:05 C 08 20 26.784 +31 48 10.40 V T05
2023-12-24 11:34:05 C 08 20 21.184 +31 48 37.30 X F51
2023-12-24 11:54:55 C 08 20 19.264 +31 48 46.38 X F51
2023-12-24 12:37:02 C 08 20 15.370 +31 49 04.70 X F51
2023-12-25 11:01:46 C 08 18 14.326 +31 58 40.22 X F52
2023-12-25 11:20:30 C 08 18 12.563 +31 58 48.32 X F52
2023-12-25 11:39:14 C 08 18 10.802 +31 58 56.34 X F52
2023-12-25 11:58:07 C 08 18 09.023 +31 59 04.40 X F52
2024-01-01 09:08:11 C 08 02 13.474 +33 02 45.74 V 703
2024-01-01 09:11:30 C 08 02 13.117 +33 02 46.46 V 703
2024-01-01 09:14:48 C 08 02 12.757 +33 02 47.98 V 703
2024-01-01 09:18:13 C 08 02 12.430 +33 02 48.80 V 703
2024-01-01 11:40:44 C 08 01 58.198 +33 03 39.71 V T05
2024-01-01 11:45:15 C 08 01 57.715 +33 03 41.04 V T05
2024-01-01 12:32:23 C 08 01 52.826 +33 03 57.13 V T05
2024-01-01 12:39:45 C 08 01 52.058 +33 03 59.18 V T05
2024-01-02 11:49:30 C 07 59 31.591 +33 11 41.68 V T08
2024-01-02 11:54:09 C 07 59 31.085 +33 11 43.19 V T08
2024-01-02 12:31:59 C 07 59 27.158 +33 11 55.79 V T08
2024-01-02 12:39:42 C 07 59 26.366 +33 11 58.09 V T08
2024-01-03 10:25:40 C 07 57 13.733 +33 18 52.45 V T08
2024-01-03 10:28:19 C 07 57 13.452 +33 18 53.42 V T08
2024-01-03 10:32:19 C 07 57 13.020 +33 18 54.72 V T08
2024-01-03 10:39:38 C 07 57 12.240 +33 18 57.13 V T08
2024-01-03 14:38:21 C 07 56 48.08 +33 20 07.9 V D29
2024-01-03 15:12:22 C 07 56 44.53 +33 20 18.7 V D29
2024-01-03 15:44:27 C 07 56 41.17 +33 20 28.8 V D29
2024-01-05 12:37:09 C 07 52 04.214 +33 33 37.84 V T05
2024-01-05 12:58:12 C 07 52 01.994 +33 33 43.56 V T05
2024-01-05 13:39:34 C 07 51 57.607 +33 33 54.68 V T05
2024-01-06 11:07:02 C 07 49 45.314 +33 39 41.58 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)