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
2012-09-17 05:27:19 C 21 16 38.06 -16 45 06.1 r 703
2012-09-17 05:36:12 C 21 16 39.57 -16 45 07.3 r 703
2012-09-17 05:45:06 C 21 16 41.08 -16 45 09.7 r 703
2012-09-19 04:19:09 C 21 24 41.40 -16 51 55.4 16.5 c 704
2012-09-19 04:40:05 C 21 24 44.77 -16 51 57.7 16.6 c 704
2012-09-19 05:00:55 C 21 24 48.07 -16 51 59.6 16.8 c 704
2012-09-19 05:21:58 C 21 24 51.49 -16 52 02.2 16.6 c 704
2012-09-19 05:42:52 C 21 24 54.87 -16 52 04.5 16.6 c 704
2012-09-21 03:08:45 C 21 32 23.81 -16 55 52.3 u 448
2012-09-21 03:13:54 C 21 32 24.60 -16 55 52.7 u 448
2012-09-21 03:19:03 C 21 32 25.41 -16 55 53.1 u 448
2012-09-21 03:24:37 C 21 32 26.27 -16 55 53.2 u 448
2012-09-21 03:30:26 C 21 32 27.16 -16 55 53.7 u 448
2012-09-30 03:51:44 C 22 03 55.30 -16 43 29.8 u H21
2012-09-30 03:58:45 C 22 03 56.19 -16 43 28.9 u H21
2012-09-30 04:05:46 C 22 03 57.08 -16 43 28.0 u H21
2012-09-30 04:12:34 C 22 03 57.93 -16 43 27.2 u H21
2012-09-30 04:19:10 C 22 03 58.77 -16 43 25.9 u H21
2012-09-30 04:25:33 C 22 03 59.57 -16 43 24.8 u H21
2012-10-08 05:38:57 C 22 27 18.93 -16 00 55.5 r 703
2012-10-08 05:44:51 C 22 27 19.58 -16 00 54.3 r 703
2012-10-08 05:50:47 C 22 27 20.19 -16 00 52.3 r 703
2012-10-08 05:56:39 C 22 27 20.84 -16 00 51.0 r 703
2012-10-17 03:35:16 C 22 49 18.67 -14 51 25.3 17.9 c 704
2012-10-17 03:54:59 C 22 49 20.47 -14 51 18.3 18.4 c 704
2012-10-17 04:15:10 C 22 49 22.28 -14 51 10.1 18.4 c 704
2012-10-17 04:36:08 C 22 49 24.26 -14 51 01.2 18.6 c 704
2012-10-17 04:55:55 C 22 49 26.04 -14 50 55.5 18.1 c 704
2012-10-18 05:20:23 C 22 51 44.64 -14 41 51.2 r 703
2012-10-18 05:25:14 C 22 51 45.03 -14 41 49.3 r 703
2012-10-18 05:30:07 C 22 51 45.46 -14 41 47.9 r 703
2012-10-18 05:34:56 C 22 51 45.90 -14 41 46.8 r 703
2012-10-21 01:45:50 C 22 58 03.62 -14 15 26.6 18.9 c 704
2012-10-21 02:05:51 C 22 58 05.31 -14 15 18.9 19.0 c 704
2012-10-21 02:26:34 C 22 58 07.10 -14 15 12.1 19.1 c 704
2012-10-21 03:06:56 C 22 58 10.52 -14 14 55.9 19.3 c 704
2012-10-27 04:02:09 C 23 10 46.28 -13 14 56.8 u H21
2012-10-27 04:10:17 C 23 10 46.92 -13 14 53.6 u H21
2012-10-27 04:18:46 C 23 10 47.54 -13 14 49.5 u H21
2012-10-29 03:21:02 C 23 14 41.96 -12 54 23.4 u H21
2012-10-29 03:25:20 C 23 14 42.28 -12 54 22.2 u H21
2012-10-29 03:25:45 C 23 14 42.32 -12 54 22.1 u H21
2012-11-01 07:36:52 c 23 20 51.962 -12 20 24.57 L F51
2012-11-01 07:53:59 c 23 20 53.269 -12 20 16.82 L F51
2012-11-01 08:13:26 c 23 20 54.750 -12 20 08.01 L F51
2012-11-01 08:31:52 c 23 20 56.153 -12 19 59.63 L F51
2012-11-04 03:20:17 C 23 26 11.60 -11 49 33.7 19.3 c 704
2012-11-04 03:41:02 C 23 26 13.13 -11 49 23.1 19.2 c 704
2012-11-04 04:23:54 C 23 26 16.36 -11 49 04.6 19.5 c 704
2012-11-04 04:48:03 C 23 26 18.15 -11 48 54.6 19.4 c 704
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)