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
2021-09-03 08:06:55 C 23 22 58.81 -04 33 44.7 – V 703
2021-09-03 10:59:10 C 23 23 10.95 -04 36 19.2 – V T08
2021-09-03 11:43:14 C 23 23 13.59 -04 37 00.3 – V T08
2021-09-03 11:47:53 C 23 23 13.87 -04 37 04.7 – V T08
2021-09-03 11:55:55 C 23 23 14.35 -04 37 12.1 – V T08
2021-09-03 21:03:16 C 23 23 53.86 -04 45 55.1 – Y 557
2021-09-03 22:06:03 C 23 23 57.79 -04 46 53.2 – Y 557
2021-09-03 22:09:37 C 23 23 57.54 -04 46 56.1 – V 089
2021-09-03 22:12:56 C 23 23 57.76 -04 46 58.7 – V 089
2021-09-03 22:16:14 C 23 23 57.94 -04 47 01.9 – V 089
2021-09-03 22:19:32 C 23 23 58.18 -04 47 05.1 – V 089
2021-09-03 23:07:54 C 23 24 01.62 -04 47 50.3 – Y 557
2021-09-03 23:33:58 S 23 23 52.733 -04 44 20.80 – V C57
2021-09-03 23:33:58 s 1 +146887.35 0 + 4496.288 8120.0 – C57
2021-09-03 23:43:58 S 23 23 53.016 -04 44 29.65 – V C57
2021-09-03 23:43:58 s 1 +147383.83 9 + 5490.275 5680.0 – C57
2021-09-03 23:53:58 S 23 23 53.268 -04 44 38.47 – V C57
2021-09-03 23:53:58 s 1 +147874.65 7 + 6484.043 4860.0 – C57
2021-09-04 00:03:58 S 23 23 53.561 -04 44 47.36 – V C57
2021-09-04 00:03:58 s 1 +148359.84 6 + 7477.559 5800.0 – C57
2021-09-04 00:13:58 S 23 23 53.822 -04 44 54.92 – V C57
2021-09-04 00:13:58 s 1 +148839.44 7 + 8470.786 8620.0 – C57
2021-09-04 00:13:58 C 23 24 05.67 -04 48 51.0 – Y 557
2021-09-04 00:23:58 S 23 23 54.101 -04 45 04.50 – V C57
2021-09-04 00:23:58 s 1 +149313.50 2 + 9463.691 3470.0 – C57
2021-09-04 00:33:58 S 23 23 54.384 -04 45 12.60 – V C57
2021-09-04 00:33:58 s 1 +149782.05 0 +10456.240 480.0 – C57
2021-09-04 00:43:58 S 23 23 54.662 -04 45 21.17 – V C57
2021-09-04 00:43:58 s 1 +150245.13 4 +11448.401 9780.0 – C57
2021-09-04 00:53:58 S 23 23 54.917 -04 45 30.06 – V C57
2021-09-04 00:53:58 s 1 +150702.79 2 +12440.141 1510.0 – C57
2021-09-04 01:03:58 S 23 23 55.250 -04 45 38.45 – V C57
2021-09-04 01:03:58 s 1 +151155.06 5 +13431.430 5790.0 – C57
2021-09-04 01:13:58 S 23 23 55.526 -04 45 47.23 – V C57
2021-09-04 01:13:58 s 1 +151601.99 4 +14422.237 2760.0 – C57
2021-09-04 01:23:58 S 23 23 55.793 -04 45 55.76 – V C57
2021-09-04 01:23:58 s 1 +152043.61 7 +15412.533 2550.0 – C57
2021-09-04 01:33:58 S 23 23 56.062 -04 46 04.73 – V C57
2021-09-04 01:33:58 s 1 +152479.97 4 +16402.287 5290.0 – C57
2021-09-04 01:41:59 C 23 24 11.11 -04 50 11.6 – Y 557
2021-09-04 01:43:58 S 23 23 56.364 -04 46 12.65 – V C57
2021-09-04 01:43:58 s 1 +152911.10 4 +17391.472 1100.0 – C57
2021-09-04 01:53:58 S 23 23 56.671 -04 46 21.61 – V C57
2021-09-04 01:53:58 s 1 +153337.04 6 +18380.060 120.0 – C57
2021-09-04 02:03:58 S 23 23 56.945 -04 46 30.04 – V C57
2021-09-04 02:03:58 s 1 +153757.83 9 +19368.023 2460.0 – C57
2021-09-04 02:13:58 S 23 23 57.242 -04 46 38.42 – V C57
2021-09-04 02:13:58 s 1 +154173.52 0 +20355.335 8260.0 – C57
2021-09-04 02:23:58 S 23 23 57.502 -04 46 46.81 – V C57
2021-09-04 02:23:58 s 1 +154584.12 8 +21341.970 7640.0 – C57
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)