163295 (2002 HW)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6451811380 ± 1.65e-08
Semi-major axis (a)2.4618319779 AU ± 5.91e-09
Inclination (i)5.81479224° ± 4.30e-06
Long. of Asc. Node (Ω)32.32019694° ± 2.17e-05
Arg. of Perihelion (ω)77.67496517° ± 2.30e-05
Mean Anomaly (M)42.64322266° ± 1.30e-05
Mean Motion (n)0.2551670914°/day ± 9.19e-10
Perihelion dist (q)0.87350442 AU ± 4.07e-08
Aphelion dist (Q)4.05015954 AU ± 4.18e-08
Orbital Period3.86267006 yr ± 1.39e-08
Physical Parameters
H (abs. magnitude)19.49
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.361″
Uncertainty0
Orbit TypeApollo
MOID0.052220 AU
Observations Used194
Radar Obs Used2
Oppositions2
Arc Total2002-2005
First Observation Used2002-04-16
Last Observation Used2009-11-20
Observations (211)
Date Type RA Dec Mag Band Observatory
2005-10-22 03:20:32 C 01 44 36.58 +08 25 07.7 c 691
2005-10-22 03:42:54 C 01 44 35.08 +08 25 12.5 c 691
2005-10-22 07:23:17 C 01 44 19.64 +08 25 58.6 r 703
2005-10-22 07:36:56 C 01 44 18.63 +08 26 01.9 r 703
2005-10-22 07:50:36 C 01 44 17.66 +08 26 05.0 r 703
2005-10-22 08:04:11 C 01 44 16.69 +08 26 07.2 r 703
2005-10-23 12:53:47 C 01 42 22.05 +08 32 45.4 r 428
2005-10-23 13:15:23 C 01 42 20.35 +08 32 50.5 r 428
2005-10-24 03:38:34 C 01 41 21.41 +08 35 39.8 o 699
2005-10-24 04:10:05 C 01 41 19.02 +08 35 47.3 o 699
2005-10-24 04:41:39 C 01 41 16.65 +08 35 55.1 o 699
2005-10-24 05:13:15 C 01 41 14.23 +08 36 03.1 o 699
2005-10-28 20:47:24 C 01 32 29.97 +09 05 54.3 o A62
2005-10-28 20:50:35 C 01 32 29.69 +09 05 55.0 o A62
2005-10-28 20:52:35 C 01 32 29.52 +09 05 55.5 o A62
2005-10-28 20:54:34 C 01 32 29.33 +09 05 56.2 o A62
2005-10-28 20:56:34 C 01 32 29.14 +09 05 56.7 o A62
2005-10-28 20:58:58 C 01 32 28.92 +09 05 57.5 o A62
2005-10-28 21:00:58 C 01 32 28.73 +09 05 58.2 o A62
2005-10-28 21:02:57 C 01 32 28.55 +09 05 58.8 o A62
2005-10-28 21:04:58 C 01 32 28.35 +09 05 59.6 o A62
2005-10-28 21:06:57 C 01 32 28.18 +09 06 00.1 o A62
2005-10-28 21:08:09 C 01 32 28.07 +09 06 00.2 o A62
2005-10-28 21:08:57 C 01 32 28.00 +09 06 00.8 o A62
2005-10-28 21:09:44 C 01 32 27.93 +09 06 00.8 o A62
2005-10-31 21:12:33 C 01 25 52.17 +09 30 23.5 r 084
2005-10-31 21:17:13 C 01 25 51.70 +09 30 25.5 r 084
2005-11-01 04:47:29 C 01 25 08.45 +09 33 25.9 17.5 c 704
2005-11-01 05:04:32 C 01 25 06.66 +09 33 32.4 17.9 c 704
2005-11-01 05:21:44 C 01 25 04.86 +09 33 39.2 18.3 c 704
2005-11-01 05:38:46 C 01 25 03.04 +09 33 46.0 18.1 c 704
2005-11-01 05:55:50 C 01 25 01.23 +09 33 52.0 18.0 c 704
2005-11-02 20:00:15 C 01 21 10.78 +09 48 54.9 r 084
2005-11-04 04:57:07 C 01 17 40.40 +10 03 35.1 18.6 c 704
2005-11-04 05:14:34 C 01 17 38.34 +10 03 42.6 18.7 c 704
2005-11-04 05:32:01 C 01 17 36.29 +10 03 51.0 18.6 c 704
2005-11-04 05:49:38 C 01 17 34.24 +10 03 58.9 18.8 c 704
2005-11-04 06:10:21 C 01 17 31.83 +10 04 08.2 19.0 c 704
2005-11-05 04:48:55 C 01 15 01.36 +10 14 52.1 17.7 c 704
2005-11-05 05:06:54 C 01 14 59.17 +10 15 01.3 17.9 c 704
2005-11-05 05:24:25 C 01 14 57.04 +10 15 09.8 17.9 c 704
2005-11-05 05:42:02 C 01 14 54.91 +10 15 18.3 17.9 c 704
2005-11-05 06:01:37 C 01 14 52.52 +10 15 27.8 18.1 c 704
2005-11-06 06:09:51 C 01 12 05.79 +10 27 40.1 r G96
2005-11-06 06:23:43 C 01 12 04.06 +10 27 47.3 r G96
2005-11-06 06:37:31 C 01 12 02.34 +10 27 54.5 r G96
2005-11-06 06:51:21 C 01 12 00.57 +10 28 01.6 r G96
2005-11-06 20:58:30 C 01 10 21.21 +10 35 23.3 r 240
2005-11-06 21:15:46 C 01 10 18.95 +10 35 32.8 r 240
2005-11-06 21:20:04 C 01 10 18.41 +10 35 35.2 r 240
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2005-12-07 20:32:00 67469.8753 1 Hz 2380 -1 -1
2005-12-07 20:48:00 102204534.19 4 us 2380 -1 -1
2005-12-18 17:57:00 -27679.9929 1 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)