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
2021-09-09 04:23:59 S 23 29 28.975 -06 32 47.58 – V C57
2021-09-09 04:33:57 S 23 29 29.554 -06 32 54.49 – V C57
2021-09-09 04:33:59 S 23 29 29.501 -06 32 54.02 – V C57
2021-09-09 04:43:57 S 23 29 30.058 -06 33 02.52 – V C57
2021-09-09 04:43:59 S 23 29 30.046 -06 33 03.92 – V C57
2021-09-09 04:53:57 S 23 29 30.581 -06 33 11.59 – V C57
2021-09-09 04:53:59 S 23 29 30.538 -06 33 10.51 – V C57
2021-09-09 05:03:58 S 23 29 31.152 -06 33 19.22 – V C57
2021-09-09 05:03:59 S 23 29 31.157 -06 33 19.94 – V C57
2021-09-09 05:13:57 S 23 29 31.766 -06 33 26.82 – V C57
2021-09-09 05:13:59 S 23 29 31.764 -06 33 27.00 – V C57
2021-09-09 05:23:58 S 23 29 32.302 -06 33 34.88 – V C57
2021-09-09 05:23:59 S 23 29 32.309 -06 33 35.82 – V C57
2021-09-09 05:33:57 S 23 29 32.815 -06 33 43.49 – V C57
2021-09-09 05:33:59 S 23 29 32.803 -06 33 43.70 – V C57
2021-09-09 05:36:42 C 23 31 44.55 -06 34 26.7 – V 703
2021-09-09 05:43:57 S 23 29 33.331 -06 33 51.70 – V C57
2021-09-09 05:43:59 S 23 29 33.350 -06 33 51.88 – V C57
2021-09-09 05:44:35 C 23 31 45.00 -06 34 33.6 – V 703
2021-09-09 05:52:29 C 23 31 45.36 -06 34 39.6 – V 703
2021-09-09 05:53:57 S 23 29 33.982 -06 33 59.18 – V C57
2021-09-09 05:53:59 S 23 29 34.008 -06 33 59.22 – V C57
2021-09-09 06:00:22 C 23 31 45.73 -06 34 45.6 – V 703
2021-09-09 06:03:57 S 23 29 34.550 -06 34 06.82 – V C57
2021-09-09 06:03:59 S 23 29 34.522 -06 34 07.75 – V C57
2021-09-09 06:13:57 S 23 29 35.074 -06 34 15.31 – V C57
2021-09-09 06:13:59 S 23 29 35.078 -06 34 16.46 – V C57
2021-09-09 06:23:57 S 23 29 35.606 -06 34 24.89 – V C57
2021-09-09 06:23:59 S 23 29 35.592 -06 34 23.99 – V C57
2021-09-09 06:33:58 S 23 29 36.216 -06 34 31.26 – V C57
2021-09-09 06:33:59 S 23 29 36.194 -06 34 32.16 – V C57
2021-09-09 06:43:57 S 23 29 36.787 -06 34 39.22 – V C57
2021-09-09 06:43:59 S 23 29 36.751 -06 34 39.36 – V C57
2021-09-09 06:53:58 S 23 29 37.286 -06 34 47.53 – V C57
2021-09-09 06:53:59 S 23 29 37.327 -06 34 48.58 – V C57
2021-09-09 07:03:57 S 23 29 37.846 -06 34 56.32 – V C57
2021-09-09 07:03:59 S 23 29 37.822 -06 34 55.70 – V C57
2021-09-09 07:13:57 S 23 29 38.371 -06 35 03.95 – V C57
2021-09-09 07:13:59 S 23 29 38.402 -06 35 04.63 – V C57
2021-09-09 07:23:57 S 23 29 39.005 -06 35 11.80 – V C57
2021-09-09 07:23:59 S 23 29 39.017 -06 35 11.90 – V C57
2021-09-09 07:33:57 S 23 29 39.547 -06 35 19.64 – V C57
2021-09-09 07:33:59 S 23 29 39.588 -06 35 20.69 – V C57
2021-09-09 07:43:57 S 23 29 40.104 -06 35 28.50 – V C57
2021-09-09 07:43:59 S 23 29 40.092 -06 35 27.64 – V C57
2021-09-09 07:53:57 S 23 29 40.637 -06 35 36.49 – V C57
2021-09-09 07:53:59 S 23 29 40.644 -06 35 37.50 – V C57
2021-09-09 08:03:58 S 23 29 41.261 -06 35 43.76 – V C57
2021-09-09 08:03:59 S 23 29 41.242 -06 35 44.30 – V C57
2021-09-09 08:13:57 S 23 29 41.822 -06 35 52.12 – 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)