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
2021-08-16 20:20:54 C 22 39 27.02 +03 22 01.0 – V C40
2021-08-16 20:24:59 C 22 39 27.56 +03 21 55.7 – V C40
2021-08-16 20:26:21 C 22 39 27.75 +03 21 53.9 – V C40
2021-08-16 20:27:43 C 22 39 27.92 +03 21 52.2 – V C40
2021-08-16 20:29:04 C 22 39 28.10 +03 21 50.7 – V C40
2021-08-16 20:40:10 C 22 39 28.73 +03 21 30.2 – q 168
2021-08-16 20:46:13 C 22 39 30.37 +03 21 29.2 – V C40
2021-08-16 20:47:35 C 22 39 30.55 +03 21 27.6 – V C40
2021-08-16 20:48:57 C 22 39 30.72 +03 21 25.9 – V C40
2021-08-16 20:54:23 C 22 39 31.44 +03 21 18.9 – V C40
2021-08-16 22:33:41 C 22 39 44.70 +03 19 13.6 – V 089
2021-08-16 22:36:59 C 22 39 45.16 +03 19 09.3 – V 089
2021-08-16 22:40:17 C 22 39 45.58 +03 19 05.5 – V 089
2021-08-16 22:43:35 C 22 39 46.02 +03 19 01.2 – V 089
2021-08-16 22:46:53 C 22 39 46.42 +03 18 56.9 – V 089
2021-08-16 22:50:11 C 22 39 46.88 +03 18 52.6 – V 089
2021-08-16 22:53:29 C 22 39 47.31 +03 18 48.7 – V 089
2021-08-16 22:56:47 C 22 39 47.74 +03 18 44.8 – V 089
2021-08-16 23:00:05 C 22 39 48.16 +03 18 40.9 – V 089
2021-08-16 23:03:23 C 22 39 48.59 +03 18 36.2 – V 089
2021-08-17 18:48:04 C 22 42 34.49 +02 53 54.4 – V C40
2021-08-17 18:53:33 C 22 42 35.20 +02 53 47.8 – V C40
2021-08-17 18:58:59 C 22 42 35.89 +02 53 41.1 – V C40
2021-08-17 19:00:21 C 22 42 36.07 +02 53 39.5 – V C40
2021-08-17 19:07:11 C 22 42 36.96 +02 53 30.8 – V C40
2021-08-17 19:09:54 C 22 42 37.31 +02 53 27.6 – V C40
2021-08-17 19:12:38 C 22 42 37.67 +02 53 24.1 – V C40
2021-08-17 19:14:00 C 22 42 37.83 +02 53 22.4 – V C40
2021-08-17 19:15:22 C 22 42 38.01 +02 53 20.8 – V C40
2021-08-17 19:19:03 C 22 42 37.64 +02 53 10.0 – q 168
2021-08-17 19:19:28 C 22 42 38.54 +02 53 15.6 – V C40
2021-08-17 19:37:36 C 22 42 40.89 +02 52 53.0 – V C40
2021-08-17 19:38:58 C 22 42 41.05 +02 52 51.5 – V C40
2021-08-17 19:40:18 C 22 42 41.23 +02 52 49.6 – V C40
2021-08-17 19:41:40 C 22 42 41.40 +02 52 48.0 – V C40
2021-08-17 19:43:02 C 22 42 41.58 +02 52 46.3 – V C40
2021-08-17 19:44:24 C 22 42 41.76 +02 52 44.5 – V C40
2021-08-17 19:45:46 C 22 42 41.93 +02 52 42.9 – V C40
2021-08-17 19:48:30 C 22 42 42.28 +02 52 39.7 – V C40
2021-08-17 19:49:52 C 22 42 42.46 +02 52 38.0 – V C40
2021-08-17 19:51:14 C 22 42 42.63 +02 52 36.1 – V C40
2021-08-17 19:55:19 C 22 42 43.17 +02 52 31.0 – V C40
2021-08-17 20:08:57 C 22 42 44.92 +02 52 14.1 – V C40
2021-08-17 20:10:20 C 22 42 45.09 +02 52 12.5 – V C40
2021-08-17 20:11:42 C 22 42 45.27 +02 52 10.5 – V C40
2021-08-17 20:13:04 C 22 42 45.43 +02 52 09.0 – V C40
2021-08-17 20:22:04 C 22 42 45.79 +02 51 51.4 – q 168
2021-08-17 20:46:45 C 22 42 49.75 +02 51 26.9 – V C40
2021-08-17 20:48:09 C 22 42 49.93 +02 51 25.2 – V C40
2021-08-17 20:52:22 C 22 42 50.46 +02 51 20.0 – 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)