IAA RAS IAA Minor Planet Database

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
2021-10-05 09:01:31 C 23 53 53.707 -10 45 04.65 – U F51
2021-10-05 09:56:12 C 23 53 54.85 -10 45 08.7 – V T08
2021-10-05 10:37:19 C 23 53 55.69 -10 45 11.9 – V T08
2021-10-05 10:39:58 C 23 53 55.75 -10 45 11.9 – V T08
2021-10-05 10:44:48 C 23 53 55.86 -10 45 12.3 – V T08
2021-10-05 10:47:27 C 23 53 55.90 -10 45 12.7 – V T08
2021-10-06 09:42:00 C 23 54 32.58 -10 46 52.1 – V T05
2021-10-06 10:29:13 C 23 54 33.57 -10 46 54.9 – V T05
2021-10-06 10:33:51 C 23 54 33.66 -10 46 55.0 – V T05
2021-10-06 10:41:49 C 23 54 33.84 -10 46 55.6 – V T05
2021-10-07 09:54:37 C 23 55 10.86 -10 48 08.3 – V T05
2021-10-07 10:28:33 C 23 55 11.59 -10 48 09.9 – V T05
2021-10-07 10:36:31 C 23 55 11.75 -10 48 10.2 – V T05
2021-10-07 10:41:48 C 23 55 11.88 -10 48 10.4 – V T05
2021-10-09 09:37:43 C 23 56 26.79 -10 49 17.9 – V T08
2021-10-09 09:45:08 C 23 56 26.94 -10 49 17.6 – V T08
2021-10-09 10:36:16 C 23 56 28.06 -10 49 18.0 – V T08
2021-10-09 10:43:37 C 23 56 28.21 -10 49 17.8 – V T08
2021-10-11 05:27:55 C 23 57 37.44 -10 48 54.3 – V G96
2021-10-11 05:35:23 C 23 57 37.61 -10 48 54.1 – V G96
2021-10-11 05:42:50 C 23 57 37.78 -10 48 54.0 – V G96
2021-10-11 05:50:17 C 23 57 37.94 -10 48 53.8 – V G96
2021-10-11 09:28:25 C 23 57 43.64 -10 48 44.7 – V T05
2021-10-11 09:33:42 C 23 57 43.75 -10 48 44.5 – V T05
2021-10-11 09:41:41 C 23 57 43.92 -10 48 44.3 – V T05
2021-10-11 09:58:27 C 23 57 44.29 -10 48 43.8 – V T05
2021-10-12 07:25:27 C 23 58 19.81 -10 47 56.2 – V T08
2021-10-12 07:30:06 C 23 58 19.91 -10 47 55.7 – V T08
2021-10-12 11:03:24 C 23 58 24.72 -10 47 45.4 – V T08
2021-10-13 08:02:11 C 23 58 59.85 -10 46 38.0 – V T08
2021-10-13 08:06:51 C 23 58 59.95 -10 46 38.4 – V T08
2021-10-13 08:10:50 C 23 59 00.06 -10 46 37.6 – V T08
2021-10-13 08:19:46 C 23 59 00.26 -10 46 37.1 – V T08
2021-10-13 22:35:11 C 23 59 23.29 -10 45 43.7 – V L47
2021-10-13 22:38:31 C 23 59 23.48 -10 45 46.0 – V L47
2021-10-14 08:13:59 C 23 59 39.73 -10 44 58.4 – V T05
2021-10-14 08:21:15 C 23 59 39.90 -10 44 57.8 – V T05
2021-10-14 08:25:52 C 23 59 40.00 -10 44 57.5 – V T05
2021-10-14 08:52:32 C 23 59 40.61 -10 44 55.6 – V T05
2021-10-17 02:28:59 C 00 01 31.40 -10 38 34.0 – V V93
2021-10-17 03:32:33 C 00 01 33.04 -10 38 26.9 – V V93
2021-10-17 04:25:53 C 00 01 34.29 -10 38 20.9 – V V93
2021-10-23 08:51:37 C 00 05 57.46 -10 14 41.2 – V T05
2021-10-23 08:52:16 C 00 05 57.45 -10 14 41.1 – V T05
2021-10-23 08:56:14 C 00 05 57.58 -10 14 40.1 – V T05
2021-10-23 08:56:53 C 00 05 57.57 -10 14 39.8 – V T05
2021-10-23 09:04:08 C 00 05 57.75 -10 14 38.9 – V T05
2021-10-23 09:04:48 C 00 05 57.77 -10 14 38.8 – V T05
2021-10-23 09:22:41 C 00 05 58.29 -10 14 35.0 – V T05
2021-10-23 09:25:19 C 00 05 58.38 -10 14 33.8 – V T05
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)