326732 (2003 HB6)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5703080163 ± 1.89e-09
Semi-major axis (a)2.7131906889 AU ± 7.20e-10
Inclination (i)6.61836662° ± 4.23e-07
Long. of Asc. Node (Ω)161.61119965° ± 2.14e-06
Arg. of Perihelion (ω)145.80553319° ± 2.49e-06
Mean Anomaly (M)348.17984789° ± 1.45e-07
Mean Motion (n)0.2205422491°/day ± 8.77e-11
Perihelion dist (q)1.16583629 AU ± 5.14e-09
Aphelion dist (Q)4.26054509 AU ± 5.25e-09
Orbital Period4.46910416 yr ± 1.78e-09
Physical Parameters
H (abs. magnitude)17.66
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.209″
Uncertainty0
Orbit TypeAmor
MOID0.163175 AU
Observations Used5317
Radar Obs Used1
Oppositions7
Arc Total2003-2012
First Observation Used2003-03-26
Last Observation Used2025-03-25
Observations (8024)
Date Type RA Dec Mag Band Observatory
2012-04-21 12:03:04 C 16 14 58.671 -08 29 58.28 L F51
2012-04-21 12:20:32 C 16 14 58.958 -08 29 50.27 L F51
2012-04-21 12:34:33 C 16 14 59.184 -08 29 43.83 L F51
2012-04-23 11:01:14 C 16 15 50.72 -08 07 56.7 r 703
2012-04-23 11:06:56 C 16 15 50.79 -08 07 53.2 r 703
2012-04-23 11:12:37 C 16 15 50.86 -08 07 49.6 r 703
2012-04-23 11:18:20 C 16 15 50.94 -08 07 46.4 r 703
2012-04-24 23:22:34 C 16 16 27.54 -07 50 11.2 u C73
2012-04-24 23:28:56 C 16 16 27.68 -07 50 09.4 u C73
2012-04-24 23:35:52 C 16 16 27.78 -07 50 06.0 u C73
2012-04-26 01:12:24 C 16 16 51.26 -07 37 14.1 u 160
2012-04-26 01:16:02 C 16 16 51.29 -07 37 13.1 u 160
2012-04-26 01:19:43 C 16 16 51.35 -07 37 11.1 u 160
2012-05-01 09:03:09 C 16 18 21.83 -06 29 00.3 o 691
2012-05-01 09:28:41 C 16 18 21.96 -06 28 46.3 o 691
2012-05-01 09:54:12 C 16 18 22.09 -06 28 31.8 o 691
2012-05-10 01:24:16 C 16 19 13.04 -04 24 23.8 u 160
2012-05-10 01:28:08 C 16 19 13.05 -04 24 21.3 u 160
2012-05-10 01:32:07 C 16 19 13.03 -04 24 18.8 u 160
2012-05-12 00:47:16 C 16 19 08.39 -03 54 03.8 u 160
2012-05-12 00:49:14 C 16 19 08.38 -03 54 02.4 u 160
2012-05-12 00:51:11 C 16 19 08.38 -03 54 01.0 u 160
2012-05-17 00:00:23 C 16 18 31.00 -02 35 21.0 t 130
2012-05-17 00:02:33 C 16 18 31.02 -02 35 19.6 t 130
2012-05-17 00:04:43 C 16 18 30.96 -02 35 17.8 t 130
2012-05-17 00:06:53 C 16 18 30.93 -02 35 16.4 t 130
2012-05-17 00:39:29 C 16 18 30.57 -02 34 54.1 u 160
2012-05-17 00:43:41 C 16 18 30.53 -02 34 51.5 u 160
2012-05-17 00:47:07 C 16 18 30.50 -02 34 48.6 u 160
2012-05-18 00:32:12 C 16 18 18.87 -02 18 50.0 u 160
2012-05-18 00:36:06 C 16 18 18.85 -02 18 46.6 u 160
2012-05-18 00:40:02 C 16 18 18.90 -02 18 44.5 u 160
2012-05-19 00:21:59 C 16 18 06.08 -02 02 43.0 u 160
2012-05-19 00:26:15 C 16 18 06.02 -02 02 40.2 u 160
2012-05-19 00:30:12 C 16 18 05.96 -02 02 37.4 u 160
2012-05-19 08:37:39 C 16 18 01.26 -01 57 03.8 r 703
2012-05-19 08:47:24 C 16 18 01.11 -01 56 57.4 r 703
2012-05-19 08:57:23 C 16 18 01.00 -01 56 51.4 r 703
2012-05-23 04:59:55 C 16 17 00.48 -00 54 14.1 o 691
2012-05-23 05:25:27 C 16 17 00.06 -00 53 56.6 o 691
2012-05-23 05:51:00 C 16 16 59.63 -00 53 39.3 o 691
2012-05-23 06:21:20 C 16 16 59.06 -00 53 18.9 18.2 c 704
2012-05-23 06:37:06 C 16 16 58.82 -00 53 08.5 17.3 c 704
2012-05-23 06:52:53 C 16 16 58.52 -00 52 57.6 17.4 c 704
2012-05-23 07:10:09 C 16 16 58.21 -00 52 46.1 17.5 c 704
2012-05-23 07:25:53 C 16 16 57.96 -00 52 35.2 17.2 c 704
2012-05-31 03:56:56 C 16 14 18.38 +01 13 26.3 o 691
2012-05-31 04:52:59 C 16 14 17.30 +01 14 02.7 o 691
2012-06-09 07:38:34 C 16 11 07.72 +03 26 02.8 u 448
2012-06-09 07:43:41 C 16 11 07.61 +03 26 05.6 u 448
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2012-07-15 01:40:00 247744595.14 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)