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
2021-07-10 20:31:11 C 19 59 01.03 +12 39 31.9 – V C40
2021-07-10 20:32:34 C 19 59 01.25 +12 39 32.3 – V C40
2021-07-10 20:35:24 C 19 59 01.67 +12 39 33.2 – V C40
2021-07-10 20:38:12 C 19 59 02.11 +12 39 34.1 – V C40
2021-07-10 20:39:36 C 19 59 02.32 +12 39 34.5 – V C40
2021-07-10 20:40:27 C 19 59 03.29 +12 39 33.5 – q L47
2021-07-10 20:48:02 C 19 59 03.63 +12 39 37.2 – V C40
2021-07-10 20:50:51 C 19 59 04.06 +12 39 38.0 – V C40
2021-07-10 20:56:29 C 19 59 04.93 +12 39 39.9 – V C40
2021-07-10 21:15:01 C 19 59 08.73 +12 39 44.7 – q L47
2021-07-10 21:16:54 C 19 59 08.07 +12 39 46.3 – V C40
2021-07-10 21:18:18 C 19 59 08.29 +12 39 46.8 – V C40
2021-07-10 21:19:41 C 19 59 08.49 +12 39 47.3 – V C40
2021-07-10 21:21:06 C 19 59 08.72 +12 39 47.5 – V C40
2021-07-10 21:23:55 C 19 59 09.15 +12 39 48.6 – V C40
2021-07-10 21:25:19 C 19 59 09.36 +12 39 49.0 – V C40
2021-07-10 21:26:43 C 19 59 09.58 +12 39 49.4 – V C40
2021-07-10 21:28:08 C 19 59 09.79 +12 39 49.9 – V C40
2021-07-10 21:29:32 C 19 59 10.01 +12 39 50.3 – V C40
2021-07-10 21:30:56 C 19 59 10.23 +12 39 50.7 – V C40
2021-07-10 21:32:21 C 19 59 10.44 +12 39 51.2 – V C40
2021-07-10 21:33:46 C 19 59 10.65 +12 39 51.5 – V C40
2021-07-10 21:35:09 C 19 59 10.86 +12 39 51.9 – V C40
2021-07-10 21:36:33 C 19 59 11.09 +12 39 52.4 – V C40
2021-07-10 21:37:58 C 19 59 11.30 +12 39 52.9 – V C40
2021-07-10 21:40:46 C 19 59 11.73 +12 39 53.7 – V C40
2021-07-10 21:45:00 C 19 59 12.38 +12 39 54.9 – V C40
2021-07-10 21:49:13 C 19 59 13.02 +12 39 56.2 – V C40
2021-07-10 21:52:01 C 19 59 13.45 +12 39 57.2 – V C40
2021-07-11 19:48:52 C 20 02 51.45 +12 46 09.6 – V C40
2021-07-11 19:57:04 C 20 02 52.75 +12 46 12.0 – V C40
2021-07-11 19:58:26 C 20 02 52.98 +12 46 12.3 – V C40
2021-07-11 20:02:31 C 20 02 53.62 +12 46 13.4 – V C40
2021-07-11 20:17:32 C 20 02 56.00 +12 46 17.7 – V C40
2021-07-11 20:27:28 C 20 02 57.58 +12 46 20.6 – V C40
2021-07-11 20:30:12 C 20 02 58.01 +12 46 21.2 – V C40
2021-07-11 20:32:43 C 20 02 59.25 +12 46 21.6 – q L47
2021-07-11 20:32:54 C 20 02 58.43 +12 46 22.0 – V C40
2021-07-11 20:42:27 C 20 02 59.93 +12 46 24.6 – V C40
2021-07-11 20:47:55 C 20 03 00.80 +12 46 26.1 – V C40
2021-07-11 20:55:01 C 20 03 01.90 +12 46 28.1 – V C40
2021-07-11 20:57:45 C 20 03 02.33 +12 46 28.8 – V C40
2021-07-11 21:00:29 C 20 03 02.76 +12 46 29.3 – V C40
2021-07-11 21:03:12 C 20 03 03.19 +12 46 30.2 – V C40
2021-07-11 21:04:22 C 20 03 04.26 +12 46 29.9 – q L47
2021-07-11 21:12:55 C 20 03 04.71 +12 46 32.8 – V C40
2021-07-13 00:10:12 C 20 07 36.12 +12 52 54.4 – V L92
2021-07-13 00:19:45 C 20 07 37.67 +12 52 57.0 – V L92
2021-07-13 00:30:21 C 20 07 39.36 +12 52 59.0 – V L92
2021-07-13 00:40:57 C 20 07 41.04 +12 53 00.6 – V L92
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)