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
2022-02-06 06:02:32 C 03 30 51.43 +27 02 44.4 V T08
2022-02-06 06:03:13 C 03 30 51.46 +27 02 42.5 V T08
2022-02-06 06:10:34 C 03 30 52.15 +27 02 44.3 V T08
2022-02-06 06:11:57 C 03 30 52.33 +27 02 44.1 V T08
2022-02-06 06:21:47 C 03 30 53.22 +27 02 46.1 V T08
2022-02-06 06:36:20 C 03 30 54.44 +27 02 48.8 V T08
2022-02-06 06:37:00 C 03 30 54.49 +27 02 48.9 V T08
2022-02-08 06:23:41 C 03 35 10.92 +27 11 06.7 V T05
2022-02-08 06:27:42 C 03 35 11.25 +27 11 07.7 V T05
2022-02-08 06:36:58 C 03 35 12.04 +27 11 09.7 V T05
2022-02-08 06:54:22 C 03 35 13.63 +27 11 12.6 V T05
2022-02-12 05:10:16 C 03 43 34.42 +27 26 34.7 U I41
2022-02-12 06:45:58 C 03 43 42.73 +27 26 48.6 U I41
2022-02-13 03:44:18 C 03 45 33.63 +27 30 05.4 V 703
2022-02-13 03:49:23 C 03 45 34.02 +27 30 06.4 V 703
2022-02-13 03:54:28 C 03 45 34.37 +27 30 07.7 V 703
2022-02-13 03:59:33 C 03 45 34.88 +27 30 08.4 V 703
2022-02-13 04:53:58 C 03 45 39.60 +27 30 15.5 V G96
2022-02-13 05:00:45 C 03 45 40.19 +27 30 16.2 V G96
2022-02-13 05:07:33 C 03 45 40.76 +27 30 17.4 V G96
2022-02-13 05:14:19 C 03 45 41.34 +27 30 18.2 V G96
2022-02-14 03:38:57 C 03 47 39.49 +27 33 43.2 U I41
2022-02-14 04:47:57 C 03 47 45.42 +27 33 53.4 U I41
2022-02-14 05:16:50 C 03 47 47.85 +27 33 56.6 V 703
2022-02-14 05:24:30 C 03 47 48.47 +27 33 56.7 V 703
2022-02-14 05:39:51 C 03 47 49.61 +27 34 01.1 V 703
2022-02-16 05:44:28 C 03 52 02.222 +27 41 05.78 U F52
2022-02-16 07:04:39 C 03 52 09.073 +27 41 16.86 U F52
2022-02-16 07:21:15 C 03 52 10.489 +27 41 19.08 U F52
2022-02-17 03:56:51 C 03 53 58.21 +27 44 13.2 U I41
2022-02-17 04:42:04 C 03 54 02.06 +27 44 19.5 U I41
2022-02-19 03:54:54 C 03 58 08.12 +27 50 47.9 U I41
2022-02-19 04:45:10 C 03 58 12.42 +27 50 54.4 U I41
2022-02-20 05:03:59 C 04 00 18.63 +27 54 06.5 V 703
2022-02-20 05:20:29 C 04 00 20.04 +27 54 09.1 V 703
2022-02-21 05:34:35 C 04 02 25.91 +27 57 18.9 V T08
2022-02-21 05:39:12 C 04 02 26.29 +27 57 20.0 V T08
2022-02-21 05:54:53 C 04 02 27.63 +27 57 21.6 V T08
2022-02-21 06:03:31 C 04 02 28.42 +27 57 23.3 V T08
2022-02-23 15:59:12 C 04 07 27.86 +28 04 32.9 q C97
2022-02-23 16:20:01 C 04 07 29.68 +28 04 34.9 q C97
2022-02-23 16:40:48 C 04 07 31.41 +28 04 37.5 q C97
2022-02-26 02:14:12 C 04 12 28.18 +28 11 18.8 V G96
2022-02-26 02:22:24 C 04 12 28.86 +28 11 19.5 V G96
2022-02-26 02:30:35 C 04 12 29.56 +28 11 20.6 V G96
2022-02-26 02:38:46 C 04 12 30.25 +28 11 21.4 V G96
2022-02-27 03:57:54 C 04 14 40.32 +28 14 09.8 V 703
2022-02-27 04:06:07 C 04 14 41.02 +28 14 10.6 V 703
2022-02-27 04:14:21 C 04 14 41.81 +28 14 11.2 V 703
2022-02-27 04:22:34 C 04 14 42.48 +28 14 12.8 V 703
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)