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
2021-07-25 19:39:20 C 21 05 08.68 +12 09 14.6 – V C40
2021-07-25 20:10:33 C 21 05 14.59 +12 08 59.2 – V C40
2021-07-25 20:17:23 C 21 05 15.87 +12 08 55.8 – V C40
2021-07-25 20:18:44 C 21 05 16.13 +12 08 55.2 – V C40
2021-07-25 20:20:06 C 21 05 16.39 +12 08 54.6 – V C40
2021-07-25 20:21:28 C 21 05 16.65 +12 08 54.0 – V C40
2021-07-25 20:26:56 C 21 05 17.67 +12 08 51.1 – V C40
2021-07-25 20:28:37 C 21 05 17.99 +12 08 50.5 – V C40
2021-07-25 20:29:59 C 21 05 18.24 +12 08 49.6 – V C40
2021-07-25 20:32:51 C 21 05 18.79 +12 08 48.3 – V C40
2021-07-25 20:35:25 C 21 05 19.26 +12 08 46.9 – V C40
2021-07-25 20:36:48 C 21 05 19.54 +12 08 46.2 – V C40
2021-07-25 20:42:25 C 21 05 20.58 +12 08 43.3 – V C40
2021-07-25 20:43:50 C 21 05 20.85 +12 08 42.8 – V C40
2021-07-25 20:48:02 C 21 05 21.63 +12 08 40.6 – V C40
2021-07-25 20:52:16 C 21 05 22.43 +12 08 38.4 – V C40
2021-07-25 20:53:40 C 21 05 22.70 +12 08 37.9 – V C40
2021-07-25 20:55:05 C 21 05 22.96 +12 08 37.1 – V C40
2021-07-25 20:56:29 C 21 05 23.23 +12 08 36.4 – V C40
2021-07-25 20:57:52 C 21 05 23.48 +12 08 35.5 – V C40
2021-07-25 20:59:17 C 21 05 23.74 +12 08 34.9 – V C40
2021-07-25 21:00:42 C 21 05 24.01 +12 08 34.3 – V C40
2021-07-25 21:02:06 C 21 05 24.27 +12 08 33.7 – V C40
2021-07-25 21:03:30 C 21 05 24.54 +12 08 32.8 – V C40
2021-07-25 21:06:19 C 21 05 25.07 +12 08 31.5 – V C40
2021-07-25 21:07:43 C 21 05 25.33 +12 08 30.6 – V C40
2021-07-25 21:09:07 C 21 05 25.60 +12 08 30.0 – V C40
2021-07-25 21:10:31 C 21 05 25.86 +12 08 29.4 – V C40
2021-07-25 21:14:44 C 21 05 26.65 +12 08 27.1 – V C40
2021-07-25 21:16:09 C 21 05 26.91 +12 08 26.5 – V C40
2021-07-25 21:59:37 C 21 05 35.36 +12 08 02.6 – V 089
2021-07-25 22:02:55 C 21 05 35.96 +12 08 00.8 – V 089
2021-07-25 22:06:13 C 21 05 36.59 +12 07 59.8 – V 089
2021-07-25 22:09:31 C 21 05 37.09 +12 07 58.2 – V 089
2021-07-25 22:12:49 C 21 05 37.81 +12 07 56.1 – V 089
2021-07-25 22:16:07 C 21 05 38.43 +12 07 54.3 – V 089
2021-07-25 22:53:57 C 21 05 45.54 +12 07 34.5 – V 089
2021-07-25 22:57:15 C 21 05 46.14 +12 07 33.3 – V 089
2021-07-25 23:00:33 C 21 05 46.78 +12 07 31.3 – V 089
2021-07-25 23:03:51 C 21 05 47.39 +12 07 30.0 – V 089
2021-07-26 10:31:55 C 21 08 04.41 +12 01 46.1 – V T08
2021-07-26 10:46:25 C 21 08 07.07 +12 01 38.2 – V T08
2021-07-26 10:49:05 C 21 08 07.56 +12 01 36.8 – V T08
2021-07-26 11:06:43 C 21 08 10.80 +12 01 27.2 – V T08
2021-07-26 21:37:37 C 21 10 17.31 +11 55 06.0 – V Z80
2021-07-26 21:39:17 C 21 10 17.60 +11 55 04.8 – V Z80
2021-07-26 21:40:57 C 21 10 17.95 +11 55 04.2 – V Z80
2021-07-27 05:47:00 C 21 11 53.41 +11 50 31.0 – V V93
2021-07-27 06:44:27 C 21 12 04.14 +11 49 57.3 – V V93
2021-07-27 07:27:45 C 21 12 12.24 +11 49 31.6 – V V93
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)