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
2021-09-13 03:03:59 S 23 35 11.906 -07 42 46.12 – V C57
2021-09-13 03:03:59 s 1 -174852.98 0 +236736.82 7080.0 – C57
2021-09-13 03:13:59 S 23 35 12.506 -07 42 51.73 – V C57
2021-09-13 03:13:59 s 1 -175034.70 2 +236175.97 1110.0 – C57
2021-09-13 03:23:59 S 23 35 13.217 -07 42 59.87 – V C57
2021-09-13 03:23:59 s 1 -175215.49 3 +235613.88 2040.0 – C57
2021-09-13 03:33:59 S 23 35 13.858 -07 43 05.34 – V C57
2021-09-13 03:33:59 s 1 -175395.35 0 +235050.53 9840.0 – C57
2021-09-13 03:43:59 S 23 35 14.501 -07 43 12.68 – V C57
2021-09-13 03:43:59 s 1 -175574.26 9 +234485.93 4500.0 – C57
2021-09-13 03:53:59 S 23 35 15.101 -07 43 18.37 – V C57
2021-09-13 03:53:59 s 1 -175752.24 5 +233920.07 6010.0 – C57
2021-09-13 04:03:59 S 23 35 15.840 -07 43 25.86 – V C57
2021-09-13 04:03:59 s 1 -175929.27 5 +233352.95 4360.0 – C57
2021-09-13 04:13:59 S 23 35 16.450 -07 43 31.04 – V C57
2021-09-13 04:13:59 s 1 -176105.35 5 +232784.58 9530.0 – C57
2021-09-13 04:23:59 S 23 35 17.110 -07 43 39.40 – V C57
2021-09-13 04:23:59 s 1 -176280.48 0 +232214.94 1510.0 – C57
2021-09-13 04:33:59 S 23 35 17.818 -07 43 44.62 – V C57
2021-09-13 04:33:59 s 1 -176454.64 7 +231644.05 290.0 – C57
2021-09-13 04:43:59 S 23 35 18.434 -07 43 52.61 – V C57
2021-09-13 04:43:59 s 1 -176627.85 1 +231071.89 5850.0 – C57
2021-09-13 04:53:59 S 23 35 19.037 -07 43 58.30 – V C57
2021-09-13 04:53:59 s 1 -176800.08 7 +230498.47 8170.0 – C57
2021-09-13 05:03:59 S 23 35 19.769 -07 44 05.39 – V C57
2021-09-13 05:03:59 s 1 -176971.35 3 +229923.79 7250.0 – C57
2021-09-13 05:13:59 S 23 35 20.362 -07 44 11.47 – V C57
2021-09-13 05:13:59 s 1 -177141.64 3 +229347.84 3070.0 – C57
2021-09-13 05:23:59 S 23 35 20.995 -07 44 18.53 – V C57
2021-09-13 05:23:59 s 1 -177310.95 3 +228770.62 5620.0 – C57
2021-09-13 05:33:59 S 23 35 21.720 -07 44 24.94 – V C57
2021-09-13 05:33:59 s 1 -177479.28 0 +228192.14 4870.0 – C57
2021-09-13 05:43:59 S 23 35 22.361 -07 44 31.63 – V C57
2021-09-13 05:43:59 s 1 -177646.61 8 +227612.39 830.0 – C57
2021-09-13 05:53:59 S 23 35 22.968 -07 44 37.93 – V C57
2021-09-13 05:53:59 s 1 -177812.96 4 +227031.37 3460.0 – C57
2021-09-13 06:03:59 S 23 35 23.640 -07 44 44.41 – V C57
2021-09-13 06:03:59 s 1 -177978.31 3 +226449.08 2760.0 – C57
2021-09-13 06:13:59 S 23 35 24.338 -07 44 51.58 – V C57
2021-09-13 06:13:59 s 1 -178142.66 1 +225865.52 8720.0 – C57
2021-09-13 06:23:59 S 23 35 24.962 -07 44 57.41 – V C57
2021-09-13 06:23:59 s 1 -178306.00 3 +225280.68 1320.0 – C57
2021-09-13 06:33:59 S 23 35 25.596 -07 45 04.54 – V C57
2021-09-13 06:33:59 s 1 -178468.33 6 +224694.58 540.0 – C57
2021-09-13 06:43:59 S 23 35 26.326 -07 45 10.58 – V C57
2021-09-13 06:43:59 s 1 -178629.65 3 +224107.19 6370.0 – C57
2021-09-13 06:53:59 S 23 35 26.911 -07 45 17.78 – V C57
2021-09-13 06:53:59 s 1 -178789.95 2 +223518.53 8790.0 – C57
2021-09-13 07:03:59 S 23 35 27.578 -07 45 24.01 – V C57
2021-09-13 07:03:59 s 1 -178949.22 7 +222928.60 7800.0 – 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)