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
2021-07-09 21:00:24 C 19 55 13.22 +12 31 48.3 – V C40
2021-07-09 21:01:46 C 19 55 13.42 +12 31 48.7 – V C40
2021-07-09 21:03:08 C 19 55 13.63 +12 31 49.1 – V C40
2021-07-09 21:04:30 C 19 55 13.83 +12 31 49.7 – V C40
2021-07-09 21:09:57 C 19 55 14.65 +12 31 51.6 – V C40
2021-07-09 21:14:03 C 19 55 15.26 +12 31 53.1 – V C40
2021-07-09 21:15:25 C 19 55 15.46 +12 31 53.5 – V C40
2021-07-09 21:18:08 C 19 55 15.87 +12 31 54.5 – V C40
2021-07-09 21:19:01 C 19 55 16.94 +12 31 54.0 – q L47
2021-07-09 21:19:29 C 19 55 16.08 +12 31 55.0 – V C40
2021-07-09 21:23:36 C 19 55 16.69 +12 31 56.5 – V C40
2021-07-09 21:27:42 C 19 55 17.31 +12 31 57.9 – V C40
2021-07-09 21:29:04 C 19 55 17.52 +12 31 58.4 – V C40
2021-07-09 21:34:31 C 19 55 18.34 +12 32 00.3 – V C40
2021-07-09 21:35:53 C 19 55 18.54 +12 32 00.9 – V C40
2021-07-09 21:37:15 C 19 55 18.75 +12 32 01.2 – V C40
2021-07-09 22:28:02 C 19 55 26.65 +12 32 17.7 – V 089
2021-07-09 22:31:20 C 19 55 27.15 +12 32 18.6 – V 089
2021-07-09 22:34:38 C 19 55 27.69 +12 32 19.7 – V 089
2021-07-09 22:37:56 C 19 55 28.18 +12 32 21.0 – V 089
2021-07-09 22:41:14 C 19 55 28.68 +12 32 22.7 – V 089
2021-07-09 22:41:41 C 19 55 29.75 +12 32 18.5 – V Z80
2021-07-09 22:44:32 C 19 55 29.20 +12 32 23.3 – V 089
2021-07-09 22:47:50 C 19 55 29.65 +12 32 24.2 – V 089
2021-07-09 22:53:38 C 19 55 31.57 +12 32 23.2 – V Z80
2021-07-09 23:02:54 C 19 55 32.99 +12 32 26.3 – V Z80
2021-07-09 23:17:57 C 19 55 35.75 +12 32 38.9 – V 938
2021-07-09 23:22:20 C 19 55 36.42 +12 32 40.2 – V 938
2021-07-09 23:25:36 C 19 55 36.91 +12 32 41.3 – V 938
2021-07-10 09:09:05 C 19 57 09.42 +12 35 51.6 – q U55
2021-07-10 09:25:19 C 19 57 11.86 +12 35 56.1 – q U55
2021-07-10 09:32:28 C 19 57 14.47 +12 36 20.8 – V T08
2021-07-10 09:40:32 C 19 57 14.22 +12 36 01.4 – q U55
2021-07-10 10:40:52 C 19 57 24.69 +12 36 43.9 – V T08
2021-07-10 10:59:47 C 19 57 27.51 +12 36 50.2 – V T08
2021-07-10 19:45:50 C 19 58 54.00 +12 39 17.2 – V C40
2021-07-10 19:48:32 C 19 58 54.42 +12 39 18.0 – V C40
2021-07-10 20:04:55 C 19 58 56.97 +12 39 23.3 – V C40
2021-07-10 20:07:39 C 19 58 57.38 +12 39 24.2 – V C40
2021-07-10 20:09:00 C 19 58 57.60 +12 39 24.7 – V C40
2021-07-10 20:10:22 C 19 58 57.80 +12 39 25.1 – V C40
2021-07-10 20:11:44 C 19 58 58.02 +12 39 25.5 – V C40
2021-07-10 20:13:06 C 19 58 58.23 +12 39 26.0 – V C40
2021-07-10 20:14:28 C 19 58 58.45 +12 39 26.4 – V C40
2021-07-10 20:15:50 C 19 58 58.66 +12 39 27.0 – V C40
2021-07-10 20:18:34 C 19 58 59.07 +12 39 27.8 – V C40
2021-07-10 20:19:56 C 19 58 59.28 +12 39 28.2 – V C40
2021-07-10 20:25:34 C 19 59 00.17 +12 39 30.1 – V C40
2021-07-10 20:28:21 C 19 59 00.59 +12 39 30.9 – V C40
2021-07-10 20:29:47 C 19 59 00.81 +12 39 31.4 – 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)