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 21:03:58 s 1 +123863.76 1 +300701.56 2180.0 – C57
2021-09-06 21:13:58 S 23 26 35.950 -05 46 12.29 – V C57
2021-09-06 21:13:58 s 1 +123560.00 0 +301116.40 2370.0 – C57
2021-09-06 21:23:58 S 23 26 36.386 -05 46 21.40 – V C57
2021-09-06 21:23:58 s 1 +123255.74 1 +301530.00 1010.0 – C57
2021-09-06 21:33:58 S 23 26 36.847 -05 46 29.71 – V C57
2021-09-06 21:33:58 s 1 +122950.98 8 +301942.36 8090.0 – C57
2021-09-06 21:43:58 S 23 26 37.358 -05 46 39.36 – V C57
2021-09-06 21:43:58 s 1 +122645.74 3 +302353.49 3630.0 – C57
2021-09-06 21:53:58 S 23 26 37.836 -05 46 47.39 – V C57
2021-09-06 21:53:58 s 1 +122340.00 7 +302763.39 7630.0 – C57
2021-09-06 22:03:58 S 23 26 38.371 -05 46 55.74 – V C57
2021-09-06 22:03:58 s 1 +122033.78 4 +303172.05 100.0 – C57
2021-09-06 22:13:58 S 23 26 38.834 -05 47 04.09 – V C57
2021-09-06 22:13:58 s 1 +121727.07 6 +303579.49 1060.0 – C57
2021-09-06 22:23:58 S 23 26 39.331 -05 47 13.92 – V C57
2021-09-06 22:23:58 s 1 +121419.88 5 +303985.69 500.0 – C57
2021-09-06 22:33:58 S 23 26 39.775 -05 47 22.60 – V C57
2021-09-06 22:33:58 s 1 +121112.21 4 +304390.66 8440.0 – C57
2021-09-06 22:43:58 S 23 26 40.284 -05 47 31.63 – V C57
2021-09-06 22:43:58 s 1 +120804.06 4 +304794.40 4880.0 – C57
2021-09-06 22:53:58 S 23 26 40.733 -05 47 39.98 – V C57
2021-09-06 22:53:58 s 1 +120495.43 9 +305196.92 9830.0 – C57
2021-09-06 23:03:58 S 23 26 41.275 -05 47 48.52 – V C57
2021-09-06 23:03:58 s 1 +120186.34 0 +305598.21 3300.0 – C57
2021-09-06 23:13:58 S 23 26 41.726 -05 47 57.08 – V C57
2021-09-06 23:13:58 s 1 +119876.77 0 +305998.28 5290.0 – C57
2021-09-06 23:23:58 S 23 26 42.216 -05 48 06.44 – V C57
2021-09-06 23:23:58 s 1 +119566.73 1 +306397.12 5810.0 – C57
2021-09-06 23:33:58 S 23 26 42.686 -05 48 15.30 – V C57
2021-09-06 23:33:58 s 1 +119256.22 6 +306794.74 4870.0 – C57
2021-09-06 23:43:58 S 23 26 43.145 -05 48 24.12 – V C57
2021-09-06 23:43:58 s 1 +118945.25 6 +307191.14 2480.0 – C57
2021-09-06 23:53:58 S 23 26 43.666 -05 48 32.54 – V C57
2021-09-06 23:53:58 s 1 +118633.82 4 +307586.32 8650.0 – C57
2021-09-07 00:03:58 S 23 26 44.165 -05 48 39.89 – V C57
2021-09-07 00:03:58 s 1 +118321.93 2 +307980.28 3370.0 – C57
2021-09-07 00:13:58 S 23 26 44.678 -05 48 50.11 – V C57
2021-09-07 00:13:58 s 1 +118009.58 3 +308373.02 6660.0 – C57
2021-09-07 00:23:58 S 23 26 45.113 -05 48 58.54 – V C57
2021-09-07 00:23:58 s 1 +117696.77 8 +308764.54 8530.0 – C57
2021-09-07 00:33:58 S 23 26 45.602 -05 49 08.08 – V C57
2021-09-07 00:33:58 s 1 +117383.52 0 +309154.85 8980.0 – C57
2021-09-07 00:43:58 S 23 26 46.054 -05 49 16.18 – V C57
2021-09-07 00:43:58 s 1 +117069.81 2 +309543.95 8020.0 – C57
2021-09-07 00:53:58 S 23 26 46.560 -05 49 25.03 – V C57
2021-09-07 00:53:58 s 1 +116755.65 4 +309931.83 5660.0 – C57
2021-09-07 01:03:58 S 23 26 47.083 -05 49 33.38 – V C57
2021-09-07 01:03:58 s 1 +116441.05 1 +310318.49 1900.0 – C57
2021-09-07 01:13:58 S 23 26 47.578 -05 49 41.92 – 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)