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
2002-04-16 04:22:42 C 09 50 21.46 +20 49 35.4 19.3 c 704
2002-04-16 04:42:47 C 09 50 24.95 +20 49 02.9 19.8 c 704
2002-04-16 05:02:55 C 09 50 28.44 +20 48 27.4 19.9 c 704
2002-04-16 05:43:09 C 09 50 35.54 +20 47 22.3 20.2 c 704
2002-04-17 03:03:36 C 09 54 21.01 +20 12 38.4 19.7 c 704
2002-04-17 03:18:00 C 09 54 23.41 +20 12 15.9 c 711
2002-04-17 03:23:12 C 09 54 24.25 +20 12 05.2 19.8 c 704
2002-04-17 03:25:12 C 09 54 24.62 +20 12 03.9 c 711
2002-04-17 03:32:15 C 09 54 25.72 +20 11 51.6 c 711
2002-04-17 03:42:50 C 09 54 27.63 +20 11 35.2 19.9 c 704
2002-04-17 04:02:29 C 09 54 30.83 +20 11 02.0 20.2 c 704
2002-04-17 04:22:07 C 09 54 34.21 +20 10 31.8 20.1 c 704
2002-04-18 05:39:00 C 09 58 51.29 +19 30 12.0 c 658
2002-04-18 05:43:48 C 09 58 52.01 +19 30 04.2 c 658
2002-04-18 05:48:18 C 09 58 52.88 +19 29 57.3 c 658
2002-04-18 05:50:40 C 09 58 53.19 +19 29 53.0 c 658
2002-05-01 21:20:25 C 10 43 37.51 +12 08 48.7 c 246
2002-05-01 21:22:11 C 10 43 37.67 +12 08 46.6 c 246
2002-05-01 21:26:54 C 10 43 38.19 +12 08 41.6 c 246
2002-05-01 21:28:28 C 10 43 38.34 +12 08 39.7 c 246
2002-05-02 10:14:14 C 10 45 05.11 +11 54 25.8 c 413
2002-05-02 10:21:25 C 10 45 05.90 +11 54 16.5 c 413
2002-05-07 05:42:52 C 10 57 25.28 +09 50 05.2 c 696
2002-05-07 05:49:07 C 10 57 25.75 +09 50 00.3 c 696
2002-05-13 20:39:29 C 11 12 44.57 +07 18 01.6 c 246
2002-05-13 20:43:08 C 11 12 44.96 +07 17 58.7 c 246
2002-05-13 20:44:51 C 11 12 45.07 +07 17 57.3 c 246
2002-05-13 20:48:27 C 11 12 45.36 +07 17 53.2 c 246
2002-07-09 07:15:55 C 12 52 21.53 -06 56 28.7 c 568
2002-07-09 07:23:05 C 12 52 21.99 -06 56 32.3 c 568
2005-10-06 07:09:21 C 02 00 44.31 +07 31 21.2 o 699
2005-10-06 07:40:55 C 02 00 43.55 +07 31 22.0 o 699
2005-10-06 08:12:31 C 02 00 42.51 +07 31 26.4 o 699
2005-10-06 08:17:43 C 02 00 42.48 +07 31 28.0 c 691
2005-10-06 08:42:37 C 02 00 41.82 +07 31 30.5 c 691
2005-10-06 08:44:07 C 02 00 41.75 +07 31 29.7 o 699
2005-10-06 09:07:24 C 02 00 41.14 +07 31 33.1 c 691
2005-10-06 09:51:13 C 02 00 39.92 +07 31 37.2 c 691
2005-10-06 10:12:31 C 02 00 39.34 +07 31 39.5 c 691
2005-10-06 10:34:01 C 02 00 38.76 +07 31 41.6 c 691
2005-10-07 07:29:23 C 02 00 08.96 +07 33 52.3 r 703
2005-10-07 07:41:15 C 02 00 08.64 +07 33 52.7 r 703
2005-10-07 07:53:13 C 02 00 08.24 +07 33 54.7 r 703
2005-10-07 08:05:15 C 02 00 07.92 +07 33 54.7 r 703
2005-10-21 08:45:26 C 01 45 45.26 +08 21 23.8 o 644
2005-10-21 09:28:16 C 01 45 42.38 +08 21 32.1 o 644
2005-10-21 10:03:06 C 01 45 40.05 +08 21 38.8 o 644
2005-10-21 15:59:10 C 01 45 17.93 +08 23 15.0 r 413
2005-10-21 16:20:10 C 01 45 16.49 +08 23 19.1 r 413
2005-10-22 02:58:17 C 01 44 38.08 +08 25 02.8 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)