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
2021-07-30 20:41:53 C 21 29 03.44 +10 50 09.8 Y 557
2021-07-30 22:34:43 C 21 29 23.98 +10 48 44.4 V 089
2021-07-30 22:38:02 C 21 29 24.56 +10 48 42.1 V 089
2021-07-31 20:11:26 C 21 33 38.74 +10 30 59.4 Y 557
2021-07-31 21:01:02 C 21 33 48.04 +10 30 18.8 Y 557
2021-07-31 22:04:18 C 21 33 59.82 +10 29 26.5 Y 557
2021-07-31 22:34:05 C 21 34 04.71 +10 29 04.4 V 089
2021-07-31 22:49:21 C 21 34 08.18 +10 28 48.8 Y 557
2021-07-31 22:51:56 C 21 34 08.79 +10 28 53.4 Z L74
2021-07-31 22:54:21 C 21 34 09.25 +10 28 51.4 Z L74
2021-07-31 22:57:14 C 21 34 09.77 +10 28 49.0 Z L74
2021-07-31 23:36:53 C 21 34 16.26 +10 28 10.5 V 089
2021-07-31 23:40:12 C 21 34 16.87 +10 28 08.1 V 089
2021-07-31 23:43:30 C 21 34 17.50 +10 28 05.4 V 089
2021-07-31 23:46:48 C 21 34 18.09 +10 28 02.2 V 089
2021-07-31 23:50:06 C 21 34 18.69 +10 27 59.5 V 089
2021-07-31 23:53:24 C 21 34 19.30 +10 27 56.9 V 089
2021-07-31 23:56:42 C 21 34 19.91 +10 27 54.0 V 089
2021-08-01 00:00:00 C 21 34 20.52 +10 27 51.3 V 089
2021-08-01 00:03:18 C 21 34 21.14 +10 27 48.4 V 089
2021-08-01 17:57:46 C 21 37 52.17 +10 12 14.5 V C40
2021-08-01 18:21:41 C 21 37 56.65 +10 11 54.0 V C40
2021-08-01 18:23:04 C 21 37 56.91 +10 11 52.8 V C40
2021-08-01 18:24:28 C 21 37 57.18 +10 11 51.5 V C40
2021-08-01 18:25:54 C 21 37 57.45 +10 11 50.4 V C40
2021-08-01 18:27:18 C 21 37 57.70 +10 11 49.3 V C40
2021-08-01 18:30:06 C 21 37 58.23 +10 11 46.8 V C40
2021-08-01 18:34:19 C 21 37 59.03 +10 11 43.2 V C40
2021-08-01 18:37:08 C 21 37 59.54 +10 11 40.9 V C40
2021-08-01 18:38:32 C 21 37 59.82 +10 11 39.5 V C40
2021-08-01 18:44:33 C 21 38 00.93 +10 11 34.3 V C40
2021-08-01 18:47:21 C 21 38 01.45 +10 11 31.9 V C40
2021-08-01 18:48:46 C 21 38 01.73 +10 11 30.8 V C40
2021-08-01 18:50:11 C 21 38 01.99 +10 11 29.6 V C40
2021-08-01 18:51:34 C 21 38 02.25 +10 11 28.3 V C40
2021-08-01 18:57:11 C 21 38 03.29 +10 11 23.6 V C40
2021-08-01 18:58:35 C 21 38 03.54 +10 11 22.2 V C40
2021-08-01 19:00:01 C 21 38 03.81 +10 11 21.0 V C40
2021-08-01 19:04:14 C 21 38 04.60 +10 11 17.2 V C40
2021-08-01 19:05:38 C 21 38 04.86 +10 11 16.2 V C40
2021-08-01 19:07:01 C 21 38 05.12 +10 11 15.0 V C40
2021-08-01 19:09:51 C 21 38 05.64 +10 11 12.4 V C40
2021-08-01 19:11:15 C 21 38 05.91 +10 11 11.4 V C40
2021-08-01 19:12:38 C 21 38 06.16 +10 11 10.1 V C40
2021-08-01 19:15:28 C 21 38 06.68 +10 11 07.6 V C40
2021-08-01 19:16:52 C 21 38 06.94 +10 11 06.5 V C40
2021-08-01 19:19:41 C 21 38 07.46 +10 11 04.1 V C40
2021-08-01 20:02:09 C 21 38 15.30 +10 10 27.0 V C40
2021-08-01 20:13:24 C 21 38 17.37 +10 10 17.3 V C40
2021-08-01 20:14:47 C 21 38 17.62 +10 10 16.0 V C40
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)