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
2021-09-07 17:23:58 s 1 +83767.303 0 +342492.14 4760.0 – C57
2021-09-07 17:33:58 S 23 27 36.718 -06 03 48.20 – V C57
2021-09-07 17:33:58 s 1 +83418.098 0 +342763.59 3480.0 – C57
2021-09-07 17:43:58 S 23 27 37.231 -06 03 56.66 – V C57
2021-09-07 17:43:58 s 1 +83068.629 0 +343033.92 1400.0 – C57
2021-09-07 17:53:58 S 23 27 37.764 -06 04 04.84 – V C57
2021-09-07 17:53:58 s 1 +82718.897 0 +343303.13 8500.0 – C57
2021-09-07 18:03:58 S 23 27 38.285 -06 04 12.50 – V C57
2021-09-07 18:03:58 s 1 +82368.905 0 +343571.22 4800.0 – C57
2021-09-07 18:13:58 S 23 27 38.815 -06 04 21.29 – V C57
2021-09-07 18:13:58 s 1 +82018.654 0 +343838.19 300.0 – C57
2021-09-07 18:23:58 S 23 27 39.290 -06 04 29.86 – V C57
2021-09-07 18:23:58 s 1 +81668.145 0 +344104.05 5020.0 – C57
2021-09-07 18:33:58 S 23 27 39.797 -06 04 39.58 – V C57
2021-09-07 18:33:58 s 1 +81317.380 0 +344368.78 8940.0 – C57
2021-09-07 18:43:58 S 23 27 40.313 -06 04 47.64 – V C57
2021-09-07 18:43:58 s 1 +80966.361 0 +344632.41 2080.0 – C57
2021-09-07 18:53:58 S 23 27 40.886 -06 04 56.82 – V C57
2021-09-07 18:53:58 s 1 +80615.088 0 +344894.91 4450.0 – C57
2021-09-07 19:03:58 S 23 27 41.412 -06 05 03.91 – V C57
2021-09-07 19:03:58 s 1 +80263.564 0 +345156.30 6030.0 – C57
2021-09-07 19:13:58 S 23 27 41.921 -06 05 13.09 – V C57
2021-09-07 19:13:58 s 1 +79911.789 0 +345416.58 6860.0 – C57
2021-09-07 19:23:58 S 23 27 42.396 -06 05 21.66 – V C57
2021-09-07 19:23:58 s 1 +79559.766 0 +345675.75 6910.0 – C57
2021-09-07 19:33:58 S 23 27 42.910 -06 05 31.20 – V C57
2021-09-07 19:33:58 s 1 +79207.495 0 +345933.80 6210.0 – C57
2021-09-07 19:43:57 S 23 27 43.409 -06 05 38.80 – V C57
2021-09-07 19:43:57 s 1 +78854.979 0 +346190.74 4760.0 – C57
2021-09-07 19:53:58 S 23 27 43.985 -06 05 46.72 – V C57
2021-09-07 19:53:58 s 1 +78502.218 0 +346446.57 2550.0 – C57
2021-09-07 20:03:58 S 23 27 44.498 -06 05 55.79 – V C57
2021-09-07 20:03:58 s 1 +78149.215 0 +346701.29 9600.0 – C57
2021-09-07 20:13:58 S 23 27 44.962 -06 06 04.39 – V C57
2021-09-07 20:13:58 s 1 +77795.970 0 +346954.89 5910.0 – C57
2021-09-07 20:23:58 S 23 27 45.478 -06 06 13.14 – V C57
2021-09-07 20:23:58 s 1 +77442.486 0 +347207.39 1480.0 – C57
2021-09-07 20:33:58 S 23 27 46.015 -06 06 21.28 – V C57
2021-09-07 20:33:58 s 1 +77088.763 0 +347458.79 6320.0 – C57
2021-09-07 20:43:58 S 23 27 46.560 -06 06 29.63 – V C57
2021-09-07 20:43:58 s 1 +76734.803 0 +347709.07 440.0 – C57
2021-09-07 20:53:58 S 23 27 47.059 -06 06 38.02 – V C57
2021-09-07 20:53:58 s 1 +76380.608 0 +347958.25 3830.0 – C57
2021-09-07 21:03:58 S 23 27 47.573 -06 06 47.34 – V C57
2021-09-07 21:03:58 s 1 +76026.178 0 +348206.32 6510.0 – C57
2021-09-07 21:13:57 S 23 27 48.065 -06 06 54.76 – V C57
2021-09-07 21:13:57 s 1 +75671.516 0 +348453.28 8480.0 – C57
2021-09-07 21:23:58 S 23 27 48.622 -06 07 04.37 – V C57
2021-09-07 21:23:58 s 1 +75316.623 0 +348699.14 9730.0 – C57
2021-09-07 21:33:58 S 23 27 49.157 -06 07 11.89 – 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)