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
2008-01-04 18:49:44 C 08 28 57.39 +31 19 05.0 r D29
2008-01-04 19:09:30 C 08 28 55.59 +31 19 12.1 r D29
2008-01-04 19:29:13 C 08 28 53.77 +31 19 21.7 r D29
2008-01-04 19:49:00 C 08 28 51.95 +31 19 26.9 r D29
2008-01-11 00:05:11 C 08 15 09.75 +32 10 15.2 r B15
2008-01-11 00:07:18 C 08 15 09.54 +32 10 15.8 r B15
2008-01-11 06:37:23 C 08 14 32.82 +32 12 15.8 c 704
2008-01-11 06:56:01 C 08 14 31.03 +32 12 21.1 c 704
2008-01-11 07:00:20 C 08 14 30.66 +32 12 22.8 r 703
2008-01-11 07:12:57 C 08 14 29.43 +32 12 26.9 r 703
2008-01-11 07:14:39 C 08 14 29.23 +32 12 26.8 c 704
2008-01-11 07:33:16 C 08 14 27.49 +32 12 32.2 c 704
2008-01-11 07:38:28 C 08 14 27.02 +32 12 35.0 r 703
2008-01-11 07:52:20 C 08 14 25.63 +32 12 38.1 c 704
2008-01-23 21:42:25 C 07 46 19.09 +33 14 11.2 c 560
2008-01-23 21:44:09 C 07 46 18.91 +33 14 11.6 c 560
2008-01-23 21:45:52 C 07 46 18.75 +33 14 11.9 c 560
2008-01-26 22:21:41 C 07 40 04.34 +33 20 21.9 c 560
2008-01-26 22:25:45 C 07 40 03.99 +33 20 22.1 c 560
2008-01-26 22:29:38 C 07 40 03.65 +33 20 22.6 c 560
2008-02-06 05:20:46 C 07 21 47.67 +33 19 52.8 c 704
2008-02-06 05:38:20 C 07 21 46.46 +33 19 51.6 c 704
2008-02-06 05:56:04 C 07 21 45.31 +33 19 50.4 c 704
2008-02-06 06:13:39 C 07 21 44.15 +33 19 49.3 c 704
2008-02-06 06:31:14 C 07 21 43.03 +33 19 48.6 c 704
2008-02-13 03:40:52 C 07 12 36.17 +33 05 02.2 c 704
2008-02-13 03:57:52 C 07 12 35.34 +33 05 00.8 c 704
2008-02-13 04:07:35 C 07 12 34.88 +33 04 59.1 r 703
2008-02-13 04:14:54 C 07 12 34.47 +33 04 58.4 c 704
2008-02-13 04:15:29 C 07 12 34.38 +33 05 00.0 r 703
2008-02-13 04:23:18 C 07 12 34.05 +33 04 59.1 r 703
2008-02-13 04:31:09 C 07 12 33.87 +33 04 58.5 r 703
2008-02-13 04:31:58 C 07 12 33.66 +33 04 56.1 c 704
2008-02-13 04:49:00 C 07 12 32.83 +33 04 54.9 c 704
2008-02-13 04:55:05 C 07 12 32.49 +33 04 53.5 c 704
2008-02-13 05:12:46 C 07 12 31.64 +33 04 52.2 c 704
2008-02-13 05:30:56 C 07 12 30.76 +33 04 49.9 c 704
2008-02-13 06:06:29 C 07 12 28.99 +33 04 44.8 c 704
2008-02-28 05:31:32 C 07 01 40.03 +32 11 09.4 c 704
2008-02-28 05:47:58 C 07 01 39.75 +32 11 05.2 c 704
2008-02-28 06:04:22 C 07 01 39.51 +32 11 01.8 c 704
2009-10-24 11:20:25 C 09 46 48.29 +19 35 39.6 o 691
2009-10-24 11:37:54 C 09 46 49.28 +19 35 37.8 o 691
2009-10-24 11:55:24 C 09 46 50.13 +19 35 34.0 o 691
2010-01-19 01:05:55 C 10 01 17.91 +23 27 51.0 u B67
2010-01-19 01:18:02 C 10 01 17.16 +23 27 56.0 u B67
2010-01-19 01:29:52 C 10 01 16.45 +23 28 00.7 u B67
2010-02-03 21:10:09 C 09 35 03.13 +25 56 31.9 u A13
2010-02-03 21:41:12 C 09 35 00.74 +25 56 42.5 u A13
2010-02-03 22:12:48 C 09 34 58.28 +25 56 53.8 u A13
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)