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
2021-08-25 07:53:58 S 23 01 40.032 -00 42 56.41 – V C57
2021-08-25 07:53:58 s 1 +72133.172 0 +347591.88 4570.0 – C57
2021-08-25 08:53:58 S 23 01 45.979 -00 44 10.10 – V C57
2021-08-25 08:53:58 s 1 +69993.782 0 +349114.59 4880.0 – C57
2021-08-25 09:03:58 S 23 01 46.877 -00 44 21.66 – V C57
2021-08-25 09:03:58 s 1 +69636.404 0 +349364.46 7550.0 – C57
2021-08-25 09:13:58 S 23 01 47.921 -00 44 34.37 – V C57
2021-08-25 09:13:58 s 1 +69278.798 0 +349613.22 9560.0 – C57
2021-08-25 09:23:58 S 23 01 48.881 -00 44 46.14 – V C57
2021-08-25 09:23:58 s 1 +68920.964 0 +349860.87 900.0 – C57
2021-08-25 09:33:58 S 23 01 49.855 -00 44 59.03 – V C57
2021-08-25 09:33:58 s 1 +68562.905 0 +350107.40 1590.0 – C57
2021-08-25 09:43:58 S 23 01 50.868 -00 45 10.84 – V C57
2021-08-25 09:43:58 s 1 +68204.623 0 +350352.83 1630.0 – C57
2021-08-25 09:53:58 S 23 01 51.809 -00 45 23.33 – V C57
2021-08-25 09:53:58 s 1 +67846.117 0 +350597.13 1010.0 – C57
2021-08-25 10:03:58 S 23 01 52.855 -00 45 35.42 – V C57
2021-08-25 10:03:58 s 1 +67487.390 0 +350840.33 9760.0 – C57
2021-08-25 10:13:58 S 23 01 53.822 -00 45 47.74 – V C57
2021-08-25 10:13:58 s 1 +67128.444 0 +351082.42 7860.0 – C57
2021-08-25 10:23:58 S 23 01 54.866 -00 46 00.19 – V C57
2021-08-25 10:23:58 s 1 +66769.279 0 +351323.40 5330.0 – C57
2021-08-25 10:33:58 S 23 01 55.802 -00 46 12.97 – V C57
2021-08-25 10:33:58 s 1 +66409.897 0 +351563.27 2170.0 – C57
2021-08-25 10:43:58 S 23 01 56.815 -00 46 25.36 – V C57
2021-08-25 10:43:58 s 1 +66050.299 0 +351802.03 8380.0 – C57
2021-08-25 10:53:58 S 23 01 57.811 -00 46 36.98 – V C57
2021-08-25 10:53:58 s 1 +65690.487 0 +352039.68 3980.0 – C57
2021-08-25 11:03:58 S 23 01 58.735 -00 46 50.27 – V C57
2021-08-25 11:03:58 s 1 +65330.462 0 +352276.23 8960.0 – C57
2021-08-25 11:13:58 S 23 01 59.796 -00 47 01.61 – V C57
2021-08-25 11:13:58 s 1 +64970.226 0 +352511.67 3320.0 – C57
2021-08-25 11:23:58 S 23 02 00.718 -00 47 14.39 – V C57
2021-08-25 11:23:58 s 1 +64609.780 0 +352746.01 7080.0 – C57
2021-08-25 11:33:58 S 23 02 01.742 -00 47 26.92 – V C57
2021-08-25 11:33:58 s 1 +64249.125 0 +352979.24 240.0 – C57
2021-08-25 11:43:58 S 23 02 02.712 -00 47 38.83 – V C57
2021-08-25 11:43:58 s 1 +63888.263 0 +353211.37 2790.0 – C57
2021-08-25 11:53:58 S 23 02 03.703 -00 47 50.57 – V C57
2021-08-25 11:53:58 s 1 +63527.195 0 +353442.40 4760.0 – C57
2021-08-25 12:03:58 S 23 02 04.704 -00 48 02.95 – V C57
2021-08-25 12:03:58 s 1 +63165.923 0 +353672.32 6130.0 – C57
2021-08-25 12:13:58 S 23 02 05.669 -00 48 15.66 – V C57
2021-08-25 12:13:58 s 1 +62804.447 0 +353901.14 6920.0 – C57
2021-08-25 12:23:58 S 23 02 06.696 -00 48 28.04 – V C57
2021-08-25 12:23:58 s 1 +62442.770 0 +354128.86 7130.0 – C57
2021-08-25 12:33:58 S 23 02 07.584 -00 48 40.21 – V C57
2021-08-25 12:33:58 s 1 +62080.892 0 +354355.48 6770.0 – C57
2021-08-25 12:43:58 S 23 02 08.650 -00 48 52.88 – V C57
2021-08-25 12:43:58 s 1 +61718.815 0 +354581.01 5830.0 – 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)