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
2021-10-24 10:05:40 C 00 06 44.04 -10 09 34.5 V T08
2021-10-24 10:10:59 C 00 06 44.08 -10 09 33.3 V T08
2021-10-24 11:01:23 C 00 06 45.40 -10 09 24.2 V T08
2021-10-24 11:12:15 C 00 06 45.73 -10 09 20.3 V T08
2021-10-25 05:26:19 C 00 07 20.62 -10 05 31.1 V 703
2021-10-25 05:34:02 C 00 07 20.81 -10 05 29.7 V 703
2021-10-25 05:41:48 C 00 07 21.04 -10 05 27.8 V 703
2021-10-25 05:49:32 C 00 07 21.25 -10 05 26.2 V 703
2021-10-25 09:08:23 C 00 07 27.41 -10 04 40.1 V T08
2021-10-25 09:23:01 C 00 07 27.84 -10 04 36.6 V T08
2021-10-25 09:28:20 C 00 07 27.99 -10 04 35.6 V T08
2021-10-25 09:39:01 C 00 07 28.27 -10 04 33.9 V T08
2021-10-26 04:59:05 C 00 08 05.44 -10 00 17.6 V 703
2021-10-26 05:07:27 C 00 08 05.67 -10 00 15.7 V 703
2021-10-26 05:15:50 C 00 08 05.87 -10 00 14.1 V 703
2021-10-26 05:24:12 C 00 08 06.14 -10 00 11.4 V 703
2021-10-26 08:24:57 C 00 08 11.87 -09 59 28.5 V T05
2021-10-26 08:30:14 C 00 08 12.03 -09 59 27.5 V T05
2021-10-26 08:38:09 C 00 08 12.26 -09 59 25.8 V T05
2021-10-26 09:09:58 C 00 08 13.109 -09 59 18.03 U F52
2021-10-26 09:24:13 C 00 08 13.53 -09 59 15.0 V T05
2021-10-26 09:26:33 C 00 08 13.609 -09 59 14.65 U F52
2021-10-26 09:43:13 C 00 08 14.084 -09 59 10.78 U F52
2021-10-28 04:33:56 C 00 09 37.54 -09 49 02.4 V 703
2021-10-28 04:41:27 C 00 09 37.79 -09 49 00.5 V 703
2021-10-28 04:48:59 C 00 09 38.01 -09 48 59.2 V 703
2021-10-28 04:56:30 C 00 09 38.24 -09 48 56.7 V 703
2021-10-29 00:21:31 C 00 10 16.88 -09 43 53.8 V W94
2021-10-29 00:29:45 C 00 10 17.14 -09 43 51.6 V W94
2021-10-29 00:38:01 C 00 10 17.39 -09 43 49.3 V W94
2021-10-29 08:54:47 C 00 10 33.30 -09 41 51.8 V T08
2021-10-29 08:59:26 C 00 10 33.45 -09 41 50.6 V T08
2021-10-29 09:10:15 C 00 10 33.75 -09 41 48.7 V T08
2021-10-29 09:27:46 C 00 10 34.29 -09 41 43.8 V T08
2021-10-30 07:06:53 C 00 11 18.199 -09 36 04.18 U F52
2021-10-30 07:39:39 C 00 11 19.185 -09 35 55.53 U F52
2021-10-30 07:56:03 C 00 11 19.679 -09 35 51.17 U F52
2021-10-31 05:14:18 C 00 12 02.85 -09 30 08.6 V G96
2021-10-31 05:21:45 C 00 12 03.09 -09 30 06.8 V G96
2021-10-31 05:29:13 C 00 12 03.32 -09 30 04.7 V G96
2021-10-31 05:36:44 C 00 12 03.55 -09 30 02.6 V G96
2021-10-31 08:35:14 C 00 12 09.62 -09 29 11.4 V T05
2021-10-31 08:39:50 C 00 12 09.75 -09 29 10.1 V T05
2021-10-31 08:53:53 C 00 12 10.27 -09 29 06.2 V T05
2021-10-31 09:08:27 C 00 12 10.64 -09 29 01.9 V T05
2021-11-01 05:01:40 C 00 12 51.82 -09 23 32.5 V 703
2021-11-01 05:09:00 C 00 12 52.02 -09 23 30.2 V 703
2021-11-01 05:16:20 C 00 12 52.23 -09 23 28.0 V 703
2021-11-01 05:23:42 C 00 12 52.51 -09 23 26.2 V 703
2021-11-02 08:47:41 C 00 13 49.47 -09 15 32.8 V T08
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)