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
2005-11-23 10:23:17 C 00 05 20.26 +16 40 13.3 r 379
2005-11-23 10:25:57 C 00 05 19.65 +16 40 17.1 r 379
2005-11-23 10:36:36 C 00 05 17.07 +16 40 32.3 r 379
2005-11-24 10:36:32 C 23 59 45.52 +17 15 03.4 r 379
2005-11-24 11:28:59 C 23 59 32.37 +17 16 19.9 r 379
2005-11-24 11:31:39 C 23 59 31.68 +17 16 23.9 r 379
2005-11-24 11:39:40 C 23 59 29.70 +17 16 35.9 r 379
2005-11-24 11:42:19 C 23 59 29.03 +17 16 39.8 r 379
2005-11-24 11:44:59 C 23 59 28.36 +17 16 43.6 r 379
2005-11-25 09:31:52 C 23 54 14.35 +17 49 40.9 r 379
2005-11-25 09:42:32 C 23 54 11.53 +17 49 56.9 r 379
2005-11-25 10:20:30 C 23 54 01.54 +17 50 56.2 r 379
2005-11-25 10:23:11 C 23 54 00.84 +17 51 00.2 r 379
2005-11-27 10:26:30 C 23 41 27.98 +19 09 05.8 r 379
2005-11-27 10:34:30 C 23 41 25.67 +19 09 19.5 r 379
2005-11-27 10:37:10 C 23 41 24.88 +19 09 24.0 r 379
2005-11-27 10:39:50 C 23 41 24.06 +19 09 28.4 r 379
2005-11-29 03:10:35 C 23 29 42.30 +20 21 02.2 17.4 c 704
2005-11-29 03:28:58 C 23 29 36.41 +20 21 34.5 18.1 c 704
2005-11-29 03:47:45 C 23 29 30.45 +20 22 09.1 17.6 c 704
2005-11-29 04:06:16 C 23 29 24.52 +20 22 42.1 17.9 c 704
2005-11-29 04:24:51 C 23 29 18.60 +20 23 15.2 17.4 c 704
2005-11-29 16:04:17 C 23 25 46.55 +20 44 35.6 c A50
2005-11-29 16:04:50 C 23 25 46.37 +20 44 36.8 c A50
2005-11-29 16:06:31 C 23 25 45.83 +20 44 39.9 c A50
2005-11-29 16:07:05 C 23 25 45.65 +20 44 40.8 c A50
2005-11-29 16:07:39 C 23 25 45.48 +20 44 41.7 c A50
2005-11-29 16:08:11 C 23 25 45.28 +20 44 42.8 c A50
2005-12-01 18:30:34 C 23 08 59.71 +22 22 27.6 r 113
2005-12-01 18:31:39 C 23 08 59.32 +22 22 29.7 r 113
2005-12-01 18:32:43 C 23 08 58.95 +22 22 31.9 r 113
2005-12-01 18:37:52 C 23 08 58.15 +22 22 36.0 r 113
2005-12-09 18:19:29 C 21 40 48.32 +28 59 28.3 17.8 r 130
2005-12-09 18:24:31 C 21 40 45.30 +28 59 37.8 17.7 r 130
2005-12-09 18:27:19 C 21 40 43.64 +28 59 42.6 17.7 r 130
2005-12-09 18:29:50 C 21 40 42.14 +28 59 46.9 17.7 r 130
2005-12-11 01:35:32 C 21 22 00.84 +29 53 58.6 17.7 c 704
2005-12-11 01:54:15 C 21 21 48.84 +29 54 26.4 17.7 c 704
2005-12-11 02:12:58 C 21 21 36.90 +29 54 54.2 18.1 c 704
2005-12-11 02:31:27 C 21 21 25.04 +29 55 22.3 19.1 c 704
2005-12-11 02:50:09 C 21 21 13.13 +29 55 48.2 17.9 c 704
2006-03-21 11:13:43 C 14 33 58.82 -07 40 53.5 r G96
2006-03-21 11:20:57 C 14 33 58.10 -07 40 54.2 r G96
2006-03-21 11:28:07 C 14 33 57.38 -07 40 54.8 r G96
2006-03-21 11:35:19 C 14 33 56.70 -07 40 56.0 r G96
2006-04-02 09:01:27 C 14 07 13.08 -07 57 20.2 r G96
2006-04-02 09:10:44 C 14 07 12.18 -07 57 20.3 r G96
2006-04-02 09:19:53 C 14 07 11.31 -07 57 20.3 r G96
2006-04-02 09:29:07 C 14 07 10.41 -07 57 20.7 r G96
2006-04-07 06:44:37 C 13 56 40.27 -07 58 15.9 c 691
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)