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
2021-09-12 02:53:59 S 23 33 39.264 -07 26 13.34 – V C57
2021-09-12 02:53:59 s 1 -140386.60 2 +305324.86 8000.0 – C57
2021-09-12 03:03:59 S 23 33 39.960 -07 26 20.47 – V C57
2021-09-12 03:03:59 s 1 -140669.74 8 +304935.22 1470.0 – C57
2021-09-12 03:13:59 S 23 33 40.543 -07 26 27.67 – V C57
2021-09-12 03:13:59 s 1 -140952.37 7 +304544.47 3200.0 – C57
2021-09-12 03:23:59 S 23 33 41.153 -07 26 35.38 – V C57
2021-09-12 03:23:59 s 1 -141234.48 5 +304152.59 3190.0 – C57
2021-09-12 03:33:59 S 23 33 41.806 -07 26 41.68 – V C57
2021-09-12 03:33:59 s 1 -141516.07 1 +303759.60 1430.0 – C57
2021-09-12 03:43:59 S 23 33 42.451 -07 26 48.88 – V C57
2021-09-12 03:43:59 s 1 -141797.13 4 +303365.48 7910.0 – C57
2021-09-12 03:53:59 S 23 33 43.025 -07 26 55.25 – V C57
2021-09-12 03:53:59 s 1 -142077.67 1 +302970.24 2640.0 – C57
2021-09-12 04:03:59 S 23 33 43.678 -07 27 04.03 – V C57
2021-09-12 04:03:59 s 1 -142357.67 9 +302573.88 5590.0 – C57
2021-09-12 04:13:59 S 23 33 44.335 -07 27 10.33 – V C57
2021-09-12 04:13:59 s 1 -142637.15 8 +302176.40 6770.0 – C57
2021-09-12 04:23:59 S 23 33 44.938 -07 27 16.96 – V C57
2021-09-12 04:23:59 s 1 -142916.10 4 +301777.80 6160.0 – C57
2021-09-12 04:33:59 S 23 33 45.518 -07 27 24.19 – V C57
2021-09-12 04:33:59 s 1 -143194.51 6 +301378.07 3760.0 – C57
2021-09-12 04:43:59 S 23 33 46.229 -07 27 31.14 – V C57
2021-09-12 04:43:59 s 1 -143472.39 1 +300977.21 9570.0 – C57
2021-09-12 04:53:59 S 23 33 46.829 -07 27 37.69 – V C57
2021-09-12 04:53:59 s 1 -143749.72 8 +300575.23 3570.0 – C57
2021-09-12 05:03:59 S 23 33 47.426 -07 27 45.11 – V C57
2021-09-12 05:03:59 s 1 -144026.52 5 +300172.12 5760.0 – C57
2021-09-12 05:33:59 S 23 33 49.346 -07 28 06.20 – V C57
2021-09-12 05:33:59 s 1 -144853.64 9 +298956.03 1380.0 – C57
2021-09-12 05:43:59 S 23 33 49.934 -07 28 13.66 – V C57
2021-09-12 05:43:59 s 1 -145128.26 1 +298548.41 6260.0 – C57
2021-09-12 05:53:59 S 23 33 50.635 -07 28 20.64 – V C57
2021-09-12 05:53:59 s 1 -145402.32 3 +298139.66 9280.0 – C57
2021-09-12 06:03:59 S 23 33 51.238 -07 28 26.83 – V C57
2021-09-12 06:03:59 s 1 -145675.83 0 +297729.78 450.0 – C57
2021-09-12 06:13:59 S 23 33 51.852 -07 28 34.10 – V C57
2021-09-12 06:13:59 s 1 -145948.78 2 +297318.76 9760.0 – C57
2021-09-12 06:23:59 S 23 33 52.466 -07 28 40.69 – V C57
2021-09-12 06:23:59 s 1 -146221.17 7 +296906.61 7200.0 – C57
2021-09-12 06:33:59 S 23 33 53.146 -07 28 48.32 – V C57
2021-09-12 06:33:59 s 1 -146493.01 1 +296493.33 2760.0 – C57
2021-09-12 06:43:59 S 23 33 53.700 -07 28 54.95 – V C57
2021-09-12 06:43:59 s 1 -146764.28 2 +296078.92 6440.0 – C57
2021-09-12 06:53:59 S 23 33 54.346 -07 29 02.76 – V C57
2021-09-12 06:53:59 s 1 -147034.99 0 +295663.37 8230.0 – C57
2021-09-12 07:03:59 S 23 33 55.030 -07 29 08.70 – V C57
2021-09-12 07:03:59 s 1 -147305.13 0 +295246.68 8120.0 – C57
2021-09-12 07:13:59 S 23 33 55.649 -07 29 16.58 – V C57
2021-09-12 07:13:59 s 1 -147574.70 2 +294828.86 6100.0 – 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)