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
2021-09-04 14:13:58 s 1 +172831.78 8 +88563.764 6810.0 – C57
2021-09-04 14:23:58 S 23 24 19.584 -04 57 19.48 – V C57
2021-09-04 14:23:58 s 1 +172960.16 2 +89460.669 5370.0 – C57
2021-09-04 14:33:58 S 23 24 19.894 -04 57 27.25 – V C57
2021-09-04 14:33:58 s 1 +173085.55 4 +90356.021 4330.0 – C57
2021-09-04 14:43:58 S 23 24 20.239 -04 57 37.33 – V C57
2021-09-04 14:43:58 s 1 +173207.98 3 +91249.815 3760.0 – C57
2021-09-04 14:53:58 S 23 24 20.534 -04 57 45.43 – V C57
2021-09-04 14:53:58 s 1 +173327.47 0 +92142.048 3730.0 – C57
2021-09-04 15:03:58 S 23 24 20.894 -04 57 54.94 – V C57
2021-09-04 15:03:58 s 1 +173444.03 4 +93032.716 4300.0 – C57
2021-09-04 15:13:58 S 23 24 21.218 -04 58 03.65 – V C57
2021-09-04 15:13:58 s 1 +173557.69 7 +93921.817 5540.0 – C57
2021-09-04 15:23:58 S 23 24 21.538 -04 58 12.68 – V C57
2021-09-04 15:23:58 s 1 +173668.47 7 +94809.347 7510.0 – C57
2021-09-04 15:33:58 S 23 24 21.893 -04 58 20.89 – V C57
2021-09-04 15:33:58 s 1 +173776.39 4 +95695.302 270.0 – C57
2021-09-04 15:43:58 S 23 24 22.219 -04 58 29.93 – V C57
2021-09-04 15:43:58 s 1 +173881.46 9 +96579.681 3900.0 – C57
2021-09-04 15:53:58 S 23 24 22.541 -04 58 38.89 – V C57
2021-09-04 15:53:58 s 1 +173983.71 9 +97462.479 8440.0 – C57
2021-09-04 16:03:58 S 23 24 22.913 -04 58 47.93 – V C57
2021-09-04 16:03:58 s 1 +174083.16 4 +98343.695 3970.0 – C57
2021-09-04 16:13:58 S 23 24 23.285 -04 58 55.63 – V C57
2021-09-04 16:13:58 s 1 +174179.82 3 +99223.326 540.0 – C57
2021-09-04 16:23:58 S 23 24 23.611 -04 59 05.28 – V C57
2021-09-04 16:23:58 s 1 +174273.71 5 +100101.36 8210.0 – C57
2021-09-04 16:33:58 S 23 24 23.933 -04 59 13.70 – V C57
2021-09-04 16:33:58 s 1 +174364.85 9 +100977.82 7060.0 – C57
2021-09-04 16:43:58 S 23 24 24.295 -04 59 22.96 – V C57
2021-09-04 16:43:58 s 1 +174453.27 2 +101852.68 7120.0 – C57
2021-09-04 16:53:58 S 23 24 24.619 -04 59 31.52 – V C57
2021-09-04 16:53:58 s 1 +174538.97 3 +102725.94 8480.0 – C57
2021-09-04 17:03:58 S 23 24 24.962 -04 59 41.39 – V C57
2021-09-04 17:03:58 s 1 +174621.98 1 +103597.61 1180.0 – C57
2021-09-04 17:13:58 S 23 24 25.289 -04 59 49.88 – V C57
2021-09-04 17:13:58 s 1 +174702.31 3 +104467.68 5280.0 – C57
2021-09-04 17:23:58 S 23 24 25.591 -04 59 58.96 – V C57
2021-09-04 17:23:58 s 1 +174779.98 8 +105336.15 840.0 – C57
2021-09-04 17:33:58 S 23 24 25.937 -05 00 07.78 – V C57
2021-09-04 17:33:58 s 1 +174855.02 2 +106203.01 7920.0 – C57
2021-09-04 17:43:58 S 23 24 26.242 -05 00 17.57 – V C57
2021-09-04 17:43:58 s 1 +174927.43 3 +107068.27 6570.0 – C57
2021-09-04 17:53:58 S 23 24 26.606 -05 00 25.67 – V C57
2021-09-04 17:53:58 s 1 +174997.23 9 +107931.93 6860.0 – C57
2021-09-04 18:03:58 S 23 24 26.954 -05 00 35.50 – V C57
2021-09-04 18:03:58 s 1 +175064.45 7 +108793.97 8830.0 – C57
2021-09-04 18:13:58 S 23 24 27.269 -05 00 43.88 – V C57
2021-09-04 18:13:58 s 1 +175129.10 4 +109654.41 2550.0 – C57
2021-09-04 18:23:58 S 23 24 27.610 -05 00 53.28 – 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)