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
2021-09-08 19:53:57 s 1 +25834.683 0 +371999.46 950.0 – C57
2021-09-08 20:03:58 S 23 29 01.255 -06 25 59.88 – V C57
2021-09-08 20:03:58 s 1 +25460.285 0 +372100.37 4070.0 – C57
2021-09-08 20:13:57 S 23 29 01.879 -06 26 07.37 – V C57
2021-09-08 20:13:57 s 1 +25085.824 0 +372200.24 7030.0 – C57
2021-09-08 20:23:58 S 23 29 02.422 -06 26 16.08 – V C57
2021-09-08 20:23:58 s 1 +24711.300 0 +372299.08 9810.0 – C57
2021-09-08 20:33:57 S 23 29 02.938 -06 26 24.36 – V C57
2021-09-08 20:33:57 s 1 +24336.715 0 +372396.88 2430.0 – C57
2021-09-08 20:43:58 S 23 29 03.480 -06 26 32.68 – V C57
2021-09-08 20:43:58 s 1 +23962.068 0 +372493.65 4880.0 – C57
2021-09-08 20:53:57 S 23 29 04.001 -06 26 40.27 – V C57
2021-09-08 20:53:57 s 1 +23587.363 0 +372589.39 7180.0 – C57
2021-09-08 21:03:58 S 23 29 04.627 -06 26 48.26 – V C57
2021-09-08 21:03:58 s 1 +23212.598 0 +372684.09 9320.0 – C57
2021-09-08 21:13:57 S 23 29 05.155 -06 26 56.00 – V C57
2021-09-08 21:13:57 s 1 +22837.777 0 +372777.76 1310.0 – C57
2021-09-08 21:23:57 S 23 29 05.700 -06 27 05.83 – V C57
2021-09-08 21:23:57 s 1 +22462.899 0 +372870.40 3150.0 – C57
2021-09-08 21:33:58 S 23 29 06.192 -06 27 13.57 – V C57
2021-09-08 21:33:58 s 1 +22087.966 0 +372962.01 4840.0 – C57
2021-09-08 21:43:57 S 23 29 06.799 -06 27 20.70 – V C57
2021-09-08 21:43:57 s 1 +21712.978 0 +373052.58 6390.0 – C57
2021-09-08 21:53:58 S 23 29 07.375 -06 27 28.87 – V C57
2021-09-08 21:53:58 s 1 +21337.937 0 +373142.12 7800.0 – C57
2021-09-08 22:03:57 S 23 29 07.894 -06 27 37.87 – V C57
2021-09-08 22:03:57 s 1 +20962.845 0 +373230.63 9080.0 – C57
2021-09-08 22:13:58 S 23 29 08.419 -06 27 46.55 – V C57
2021-09-08 22:13:58 s 1 +20587.701 0 +373318.11 230.0 – C57
2021-09-08 22:23:57 S 23 29 08.969 -06 27 53.75 – V C57
2021-09-08 22:23:57 s 1 +20212.507 0 +373404.56 1240.0 – C57
2021-09-08 22:33:58 S 23 29 09.564 -06 28 02.28 – V C57
2021-09-08 22:33:58 s 1 +19837.264 0 +373489.98 2130.0 – C57
2021-09-08 22:43:57 S 23 29 10.097 -06 28 10.02 – V C57
2021-09-08 22:43:57 s 1 +19461.973 0 +373574.37 2900.0 – C57
2021-09-08 22:53:57 S 23 29 10.618 -06 28 18.77 – V C57
2021-09-08 22:53:57 s 1 +19086.636 0 +373657.73 3560.0 – C57
2021-09-08 23:03:58 S 23 29 11.155 -06 28 26.65 – V C57
2021-09-08 23:03:58 s 1 +18711.252 0 +373740.06 4090.0 – C57
2021-09-08 23:13:57 S 23 29 11.767 -06 28 34.36 – V C57
2021-09-08 23:13:57 s 1 +18335.824 0 +373821.36 4520.0 – C57
2021-09-08 23:23:58 S 23 29 12.295 -06 28 41.95 – V C57
2021-09-08 23:23:58 s 1 +17960.352 0 +373901.63 4830.0 – C57
2021-09-08 23:33:57 S 23 29 12.828 -06 28 51.64 – V C57
2021-09-08 23:33:57 s 1 +17584.838 0 +373980.87 5050.0 – C57
2021-09-08 23:43:58 S 23 29 13.349 -06 29 00.06 – V C57
2021-09-08 23:43:58 s 1 +17209.282 0 +374059.09 5160.0 – C57
2021-09-08 23:44:46 C 23 31 23.90 -06 30 03.1 – V 089
2021-09-08 23:53:57 S 23 29 13.920 -06 29 07.58 – V C57
2021-09-08 23:53:57 s 1 +16833.685 0 +374136.27 5170.0 – 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)