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
2021-09-06 12:43:58 s 1 +138361.40 1 +278354.84 4250.0 – C57
2021-09-06 12:53:58 S 23 26 12.223 -05 38 52.66 – V C57
2021-09-06 12:53:58 s 1 +138085.82 5 +278833.13 3040.0 – C57
2021-09-06 13:03:58 S 23 26 12.720 -05 39 02.12 – V C57
2021-09-06 13:03:58 s 1 +137809.61 6 +279310.12 9830.0 – C57
2021-09-06 13:13:58 S 23 26 13.226 -05 39 10.33 – V C57
2021-09-06 13:13:58 s 1 +137532.77 7 +279785.80 4630.0 – C57
2021-09-06 13:23:58 S 23 26 13.723 -05 39 18.50 – V C57
2021-09-06 13:23:58 s 1 +137255.31 1 +280260.20 7460.0 – C57
2021-09-06 13:33:58 S 23 26 14.141 -05 39 27.79 – V C57
2021-09-06 13:33:58 s 1 +136977.22 1 +280733.29 8330.0 – C57
2021-09-06 13:43:58 S 23 26 14.611 -05 39 36.97 – V C57
2021-09-06 13:43:58 s 1 +136698.51 1 +281205.09 7240.0 – C57
2021-09-06 13:53:58 S 23 26 15.019 -05 39 46.08 – V C57
2021-09-06 13:53:58 s 1 +136419.18 3 +281675.60 4210.0 – C57
2021-09-06 14:03:58 S 23 26 15.511 -05 39 54.97 – V C57
2021-09-06 14:03:58 s 1 +136139.24 0 +282144.81 9240.0 – C57
2021-09-06 14:13:58 S 23 26 15.991 -05 40 03.86 – V C57
2021-09-06 14:13:58 s 1 +135858.68 5 +282612.73 2350.0 – C57
2021-09-06 14:23:58 S 23 26 16.493 -05 40 11.50 – V C57
2021-09-06 14:23:58 s 1 +135577.52 2 +283079.36 3540.0 – C57
2021-09-06 14:33:58 S 23 26 16.949 -05 40 20.39 – V C57
2021-09-06 14:33:58 s 1 +135295.75 2 +283544.70 2820.0 – C57
2021-09-06 14:43:58 S 23 26 17.412 -05 40 28.99 – V C57
2021-09-06 14:43:58 s 1 +135013.37 9 +284008.75 200.0 – C57
2021-09-06 14:53:58 S 23 26 17.858 -05 40 38.89 – V C57
2021-09-06 14:53:58 s 1 +134730.40 6 +284471.52 5690.0 – C57
2021-09-06 15:03:58 S 23 26 18.312 -05 40 47.64 – V C57
2021-09-06 15:03:58 s 1 +134446.83 6 +284933.01 9310.0 – C57
2021-09-06 15:13:58 S 23 26 18.770 -05 40 56.71 – V C57
2021-09-06 15:13:58 s 1 +134162.67 2 +285393.21 1050.0 – C57
2021-09-06 15:23:58 S 23 26 19.231 -05 41 05.57 – V C57
2021-09-06 15:23:58 s 1 +133877.91 6 +285852.12 930.0 – C57
2021-09-06 15:33:58 S 23 26 19.781 -05 41 13.31 – V C57
2021-09-06 15:33:58 s 1 +133592.57 1 +286309.76 8960.0 – C57
2021-09-06 15:43:58 S 23 26 20.263 -05 41 22.56 – V C57
2021-09-06 15:43:58 s 1 +133306.64 0 +286766.12 5150.0 – C57
2021-09-06 15:53:58 S 23 26 20.705 -05 41 30.91 – V C57
2021-09-06 15:53:58 s 1 +133020.12 6 +287221.20 9510.0 – C57
2021-09-06 16:03:58 S 23 26 21.154 -05 41 40.34 – V C57
2021-09-06 16:03:58 s 1 +132733.03 2 +287675.00 2030.0 – C57
2021-09-06 16:13:58 S 23 26 21.602 -05 41 49.24 – V C57
2021-09-06 16:13:58 s 1 +132445.36 0 +288127.53 2750.0 – C57
2021-09-06 16:23:58 S 23 26 22.061 -05 41 58.42 – V C57
2021-09-06 16:23:58 s 1 +132157.11 4 +288578.78 1650.0 – C57
2021-09-06 16:33:58 S 23 26 22.603 -05 42 06.66 – V C57
2021-09-06 16:33:58 s 1 +131868.29 6 +289028.76 8760.0 – C57
2021-09-06 16:43:58 S 23 26 23.110 -05 42 15.44 – V C57
2021-09-06 16:43:58 s 1 +131578.90 8 +289477.46 4080.0 – C57
2021-09-06 16:53:58 S 23 26 23.554 -05 42 23.69 – V 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)