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
2012-08-18 21:38:22 C 18 41 22.01 -07 45 33.0 u 160
2012-08-18 21:40:56 C 18 41 22.58 -07 45 36.1 u 160
2012-08-18 21:43:53 C 18 41 23.25 -07 45 39.7 u 160
2012-08-19 21:38:18 C 18 46 59.50 -08 15 41.0 u 160
2012-08-19 21:40:34 C 18 47 00.02 -08 15 43.7 u 160
2012-08-19 21:42:50 C 18 47 00.53 -08 15 46.5 u 160
2012-08-22 17:35:40 C 19 03 09.82 -09 38 53.3 r 168
2012-08-22 18:31:55 C 19 03 22.97 -09 40 00.5 r 168
2012-08-23 17:30:40 C 19 08 54.58 -10 07 06.8 r 168
2012-08-23 17:36:10 C 19 08 55.88 -10 07 13.3 r 168
2012-08-30 03:01:59 C 19 45 45.04 -12 49 36.7 u H21
2012-08-30 03:05:31 C 19 45 45.83 -12 49 40.0 u H21
2012-08-30 03:09:02 C 19 45 46.64 -12 49 43.4 u H21
2012-08-30 03:12:08 C 19 45 47.34 -12 49 46.2 u H21
2012-08-30 03:15:35 C 19 45 48.12 -12 49 49.3 u H21
2012-08-30 03:18:36 C 19 45 48.80 -12 49 52.3 u H21
2012-08-30 03:22:04 C 19 45 49.60 -12 49 55.3 u H21
2012-08-30 03:25:05 C 19 45 50.28 -12 49 58.2 u H21
2012-08-30 03:27:41 C 19 45 50.88 -12 50 00.7 u H21
2012-08-31 02:43:37 C 19 51 20.54 -13 11 18.5 u H21
2012-08-31 02:46:07 C 19 51 21.12 -13 11 20.5 u H21
2012-08-31 02:48:15 C 19 51 21.59 -13 11 22.5 u H21
2012-08-31 02:50:45 C 19 51 22.16 -13 11 24.7 u H21
2012-08-31 02:53:36 C 19 51 22.81 -13 11 27.4 u H21
2012-08-31 02:56:27 C 19 51 23.44 -13 11 29.8 u H21
2012-08-31 02:59:38 C 19 51 24.17 -13 11 32.7 u H21
2012-09-03 04:01:50 C 20 08 18.16 -14 11 52.8 u 448
2012-09-03 04:07:01 C 20 08 19.28 -14 11 56.7 u 448
2012-09-03 04:12:10 C 20 08 20.42 -14 12 00.6 u 448
2012-09-03 04:17:19 C 20 08 21.55 -14 12 04.5 u 448
2012-09-03 04:23:36 C 20 08 22.91 -14 12 09.4 u 448
2012-09-06 21:28:55 C 20 28 07.13 -15 12 18.1 u I74
2012-09-06 21:42:02 C 20 28 09.87 -15 12 26.1 u I74
2012-09-06 21:53:22 C 20 28 12.24 -15 12 32.2 u I74
2012-09-06 22:04:35 C 20 28 14.58 -15 12 38.8 u I74
2012-09-06 22:17:18 C 20 28 17.23 -15 12 46.4 u I74
2012-09-06 22:31:06 C 20 28 20.09 -15 12 54.5 u I74
2012-09-11 04:36:04 C 20 49 30.36 -16 03 23.5 15.8 c 704
2012-09-11 04:56:23 C 20 49 34.24 -16 03 32.1 16.4 c 704
2012-09-11 05:16:41 C 20 49 38.14 -16 03 40.0 16.0 c 704
2012-09-11 05:36:54 C 20 49 42.02 -16 03 48.3 15.9 c 704
2012-09-11 05:58:04 C 20 49 46.05 -16 03 56.5 16.0 c 704
2012-09-12 13:15:32 C 20 55 55.18 -16 15 44.4 o 300
2012-09-12 13:18:08 C 20 55 55.60 -16 15 44.8 o 300
2012-09-12 13:19:26 C 20 55 55.93 -16 15 46.0 o 300
2012-09-12 13:20:45 C 20 55 56.11 -16 15 45.5 o 300
2012-09-13 20:16:45 C 21 01 51.17 -16 25 52.3 u 089
2012-09-13 20:18:54 C 21 01 51.57 -16 25 53.8 u 089
2012-09-13 20:21:03 C 21 01 51.97 -16 25 54.3 u 089
2012-09-17 05:18:34 C 21 16 36.58 -16 45 04.6 r 703
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)