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
2021-05-01 07:06:51 C 10 04 00.67 +17 41 56.2 V T05
2021-05-01 07:22:11 C 10 04 00.58 +17 41 53.0 V T05
2021-05-01 07:32:33 C 10 04 00.50 +17 41 50.7 V T05
2021-05-06 04:11:57 C 10 03 53.91 +17 16 58.1 V G96
2021-05-06 04:19:21 C 10 03 53.92 +17 16 56.4 V G96
2021-05-06 04:26:45 C 10 03 53.93 +17 16 54.8 V G96
2021-05-06 04:34:10 C 10 03 53.94 +17 16 53.0 V G96
2021-05-12 04:15:59 C 10 05 02.86 +16 40 37.2 U I41
2021-05-12 04:39:58 C 10 05 03.12 +16 40 30.7 U I41
2021-05-14 04:15:17 C 10 05 43.58 +16 27 13.1 U I41
2021-05-14 05:28:14 C 10 05 44.62 +16 26 52.1 U I41
2021-05-29 06:51:07 C 10 15 02.82 +14 27 08.4 V T05
2021-05-29 06:55:44 C 10 15 03.03 +14 27 06.6 V T05
2021-05-29 07:03:41 C 10 15 03.22 +14 27 03.2 V T05
2021-05-29 07:22:13 C 10 15 03.90 +14 26 56.7 V T05
2021-05-31 04:26:29 C 10 16 41.26 +14 09 48.4 U I41
2021-05-31 04:53:30 C 10 16 42.24 +14 09 38.2 U I41
2021-06-02 04:58:45 C 10 18 32.20 +13 50 51.0 U I41
2021-06-02 05:37:56 C 10 18 33.70 +13 50 35.2 U I41
2021-06-10 03:52:12 C 10 26 47.79 +12 31 04.9 V 703
2021-06-10 04:00:24 C 10 26 48.12 +12 31 00.3 V 703
2021-06-10 04:08:36 C 10 26 48.53 +12 30 57.4 V 703
2021-06-12 03:45:03 C 10 29 06.03 +12 09 44.9 V G96
2021-06-12 03:51:05 C 10 29 06.31 +12 09 42.2 V G96
2021-06-12 03:57:06 C 10 29 06.61 +12 09 39.5 V G96
2021-06-12 04:03:08 C 10 29 06.90 +12 09 36.8 V G96
2021-06-28 06:09:41 C 10 50 45.17 +08 58 17.7 V T08
2021-06-28 06:17:39 C 10 50 45.68 +08 58 13.6 V T08
2021-06-28 06:23:39 C 10 50 46.05 +08 58 10.2 V T08
2021-06-28 06:38:55 C 10 50 47.01 +08 58 01.8 V T08
2021-07-01 06:13:16 C 10 55 21.09 +08 18 42.0 V T08
2021-07-01 06:19:14 C 10 55 21.52 +08 18 39.3 V T08
2021-07-01 06:27:12 C 10 55 22.00 +08 18 34.7 V T08
2021-07-01 06:42:29 C 10 55 22.97 +08 18 25.8 V T08
2021-11-16 01:26:43 C 19 56 52.09 -18 23 54.2 V G96
2021-11-16 01:33:31 C 19 56 55.64 -18 23 33.6 V G96
2021-11-16 01:40:20 C 19 56 59.24 -18 23 12.7 V G96
2021-11-16 01:47:12 C 19 57 02.80 -18 22 51.5 V G96
2021-11-17 05:02:41 C 20 11 43.006 -16 56 19.36 U F52
2021-11-17 05:23:07 C 20 11 53.939 -16 55 11.16 U F52
2021-11-17 05:43:01 C 20 12 04.599 -16 54 04.60 U F52
2021-11-17 06:01:20 C 20 12 14.436 -16 53 03.13 U F52
2021-11-19 13:07:48 C 20 42 42.64 -13 36 09.0 Y N42
2021-11-19 13:08:41 C 20 42 43.05 -13 36 05.6 Y N42
2021-11-19 13:09:34 C 20 42 43.54 -13 36 02.4 Y N42
2021-11-19 13:10:28 C 20 42 44.12 -13 35 58.9 Y N42
2021-11-19 13:11:21 C 20 42 44.58 -13 35 55.2 Y N42
2021-11-19 13:12:12 C 20 42 45.07 -13 35 52.3 Y N42
2021-11-19 13:13:06 C 20 42 45.55 -13 35 48.7 Y N42
2021-11-19 13:13:59 C 20 42 46.01 -13 35 46.1 Y N42
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)