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
2023-03-27 06:03:50 C 13 58 41.506 -05 26 40.88 V W68
2023-03-27 19:07:30 C 13 58 03.54 -05 24 15.4 V D29
2023-03-27 19:27:52 C 13 58 02.48 -05 24 11.0 V D29
2023-03-27 19:48:14 C 13 58 01.41 -05 24 06.7 V D29
2023-03-28 10:20:10 C 13 57 18.686 -05 20 58.08 U F51
2023-03-28 10:37:03 C 13 57 17.758 -05 20 54.55 U F51
2023-03-28 10:53:53 C 13 57 16.826 -05 20 50.92 U F51
2023-03-29 09:36:04 C 13 56 04.391 -05 15 51.23 V 703
2023-03-29 09:42:58 C 13 56 03.984 -05 15 49.72 V 703
2023-03-29 09:49:53 C 13 56 03.577 -05 15 47.84 V 703
2023-03-29 09:56:47 C 13 56 03.167 -05 15 45.18 V 703
2023-03-29 18:08:16 C 13 55 36.16 -05 13 53.8 V D29
2023-03-29 18:28:38 C 13 55 34.94 -05 13 49.1 V D29
2023-03-29 18:49:00 C 13 55 33.72 -05 13 44.3 V D29
2023-03-30 18:55:57 C 13 54 10.04 -05 08 00.5 V D29
2023-03-30 19:16:19 C 13 54 08.75 -05 07 55.5 V D29
2023-03-30 19:36:41 C 13 54 07.46 -05 07 50.6 V D29
2023-03-31 05:16:24 C 13 53 33.089 -05 05 10.43 V W68
2023-03-31 05:19:03 C 13 53 32.918 -05 05 09.85 V W68
2023-03-31 05:24:20 C 13 53 32.566 -05 05 08.66 V W68
2023-03-31 05:31:36 C 13 53 32.090 -05 05 06.94 V W68
2023-04-01 07:00:57 C 13 51 55.411 -04 58 54.48 V 703
2023-04-01 07:08:20 C 13 51 54.911 -04 58 52.72 V 703
2023-04-01 07:15:43 C 13 51 54.385 -04 58 50.66 V 703
2023-04-01 07:34:15 C 13 51 53.100 -04 58 45.95 V 703
2023-04-01 14:27:52 C 13 51 26.15 -04 56 56.9 V D29
2023-04-01 14:45:34 C 13 51 24.91 -04 56 52.3 V D29
2023-04-01 15:03:16 C 13 51 23.67 -04 56 47.7 V D29
2023-04-02 05:11:01 C 13 50 25.711 -04 52 41.92 V W68
2023-04-02 05:13:39 C 13 50 25.526 -04 52 41.27 V W68
2023-04-02 05:20:15 C 13 50 25.039 -04 52 39.40 V W68
2023-04-02 05:31:24 C 13 50 24.214 -04 52 36.37 V W68
2023-04-02 06:55:43 C 13 50 18.679 -04 52 31.66 V 703
2023-04-02 07:03:30 C 13 50 18.110 -04 52 29.53 V 703
2023-04-02 07:11:17 C 13 50 17.531 -04 52 27.23 V 703
2023-04-02 07:19:04 C 13 50 16.962 -04 52 25.28 V 703
2023-04-03 00:42:25 B 13 49 02.58 -04 47 39.9 V L65
2023-04-03 00:55:17 B 13 49 01.59 -04 47 36.3 V L65
2023-04-03 01:08:09 B 13 49 00.63 -04 47 32.6 V L65
2023-04-03 22:04:04 C 13 47 27.821 -04 41 07.62 V M22
2023-04-03 22:06:42 C 13 47 27.600 -04 41 07.04 V M22
2023-04-03 22:10:42 C 13 47 27.269 -04 41 05.78 V M22
2023-04-03 22:16:05 C 13 47 26.851 -04 41 04.13 V M22
2023-04-03 22:18:04 C 13 47 26.686 -04 41 03.77 V M22
2023-04-03 22:18:42 C 13 47 26.633 -04 41 03.48 V M22
2023-04-03 22:22:41 C 13 47 26.311 -04 41 02.22 V M22
2023-04-03 22:36:47 C 13 47 25.28 -04 41 21.6 V G33
2023-04-03 22:41:50 C 13 47 24.86 -04 41 20.3 V G33
2023-04-03 22:45:00 C 13 47 24.516 -04 40 55.67 V M22
2023-04-03 22:45:12 C 13 47 24.60 -04 41 19.7 V G33
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)