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
2005-11-06 21:23:01 C 01 10 18.04 +10 35 36.9 r 240
2005-11-06 21:24:00 C 01 10 17.91 +10 35 37.5 r 240
2005-11-06 21:27:55 C 01 10 17.41 +10 35 39.6 r 240
2005-11-06 21:29:51 C 01 10 17.16 +10 35 40.7 r 240
2005-11-07 23:18:05 C 01 07 06.96 +10 50 10.2 i 071
2005-11-07 23:30:09 C 01 07 05.26 +10 50 17.4 i 071
2005-11-07 23:34:37 C 01 07 04.69 +10 50 20.0 i 071
2005-11-07 23:38:45 C 01 07 04.15 +10 50 22.3 i 071
2005-11-11 19:05:19 C 00 54 59.01 +11 50 02.4 o A67
2005-11-19 03:23:10 C 00 26 22.98 +14 30 59.6 o 699
2005-11-19 04:05:12 C 00 26 14.62 +14 31 46.7 o 699
2005-11-19 04:47:18 C 00 26 06.28 +14 32 33.5 o 699
2005-11-19 05:29:25 C 00 25 57.89 +14 33 20.0 o 699
2005-11-19 16:52:48 C 00 23 51.81 +14 46 04.2 o 151
2005-11-19 16:53:54 C 00 23 51.60 +14 46 05.6 o 151
2005-11-19 16:54:59 C 00 23 51.38 +14 46 06.9 o 151
2005-11-19 16:57:43 C 00 23 50.83 +14 46 09.5 o 151
2005-11-19 19:11:32 C 00 23 24.06 +14 48 45.4 r 240
2005-11-19 19:13:42 C 00 23 23.63 +14 48 48.1 r 240
2005-11-19 19:15:54 C 00 23 23.21 +14 48 50.7 r 240
2005-11-19 19:18:04 C 00 23 22.75 +14 48 53.1 r 240
2005-11-19 19:20:15 C 00 23 22.30 +14 48 55.5 r 240
2005-11-19 19:22:26 C 00 23 21.86 +14 48 58.0 r 240
2005-11-19 19:24:36 C 00 23 21.43 +14 49 00.6 r 240
2005-11-19 19:27:31 C 00 23 20.85 +14 49 03.9 r 240
2005-11-19 19:30:25 C 00 23 20.27 +14 49 07.3 r 240
2005-11-19 20:23:49 C 00 23 09.36 +14 50 11.5 c A48
2005-11-19 20:28:06 C 00 23 08.50 +14 50 16.4 c A48
2005-11-19 20:32:23 C 00 23 07.66 +14 50 21.4 c A48
2005-11-19 20:36:40 C 00 23 06.77 +14 50 26.3 c A48
2005-11-19 20:51:38 C 00 23 03.77 +14 50 43.7 c A53
2005-11-19 20:57:32 C 00 23 02.60 +14 50 50.3 c A53
2005-11-19 21:03:26 C 00 23 01.36 +14 50 57.4 c A53
2005-11-19 21:09:52 C 00 23 00.03 +14 51 04.9 c A53
2005-11-19 21:16:50 C 00 22 58.62 +14 51 12.3 c A53
2005-11-21 20:53:33 C 00 13 26.49 +15 49 35.0 c A53
2005-11-21 21:02:01 C 00 13 24.61 +15 49 46.0 c A53
2005-11-21 21:12:04 C 00 13 22.40 +15 49 57.8 c A53
2005-11-21 21:22:39 C 00 13 20.03 +15 50 11.4 c A53
2005-11-22 11:22:38 C 00 10 22.89 +16 08 44.7 r 379
2005-11-22 11:25:31 C 00 10 22.24 +16 08 48.4 r 379
2005-11-22 12:09:29 C 00 10 12.17 +16 09 46.6 r 379
2005-11-22 12:20:58 C 00 10 09.57 +16 10 01.5 r 379
2005-11-22 12:23:51 C 00 10 08.91 +16 10 05.2 r 379
2005-11-22 12:26:43 C 00 10 08.22 +16 10 09.4 r 379
2005-11-22 16:18:27 C 00 09 20.22 +16 14 59.8 r 084
2005-11-22 16:22:06 C 00 09 19.43 +16 15 04.7 r 084
2005-11-22 19:23:13 C 00 08 38.50 +16 19 10.3 r 084
2005-11-22 19:26:52 C 00 08 37.66 +16 19 15.1 r 084
2005-11-23 09:34:51 C 00 05 31.83 +16 39 04.9 r 379
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)