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
2021-09-06 03:53:58 s 1 +151975.44 8 +251106.61 9970.0 – C57
2021-09-06 04:03:58 S 23 25 48.163 -05 31 01.85 – V C57
2021-09-06 04:03:58 s 1 +151738.20 8 +251655.91 9820.0 – C57
2021-09-06 04:13:58 S 23 25 48.588 -05 31 11.71 – V C57
2021-09-06 04:13:58 s 1 +151500.14 9 +252203.82 7080.0 – C57
2021-09-06 04:23:58 S 23 25 48.998 -05 31 20.50 – V C57
2021-09-06 04:23:58 s 1 +151261.27 6 +252750.36 1760.0 – C57
2021-09-06 04:33:58 S 23 25 49.466 -05 31 29.82 – V C57
2021-09-06 04:33:58 s 1 +151021.59 1 +253295.52 3870.0 – C57
2021-09-06 04:43:58 S 23 25 49.925 -05 31 38.17 – V C57
2021-09-06 04:43:58 s 1 +150781.09 9 +253839.31 3430.0 – C57
2021-09-06 04:53:58 S 23 25 50.407 -05 31 47.21 – V C57
2021-09-06 04:53:58 s 1 +150539.80 5 +254381.72 450.0 – C57
2021-09-06 05:03:58 S 23 25 50.854 -05 31 55.38 – V C57
2021-09-06 05:03:58 s 1 +150297.71 1 +254922.76 4940.0 – C57
2021-09-06 05:13:58 S 23 25 51.302 -05 32 04.63 – V C57
2021-09-06 05:13:58 s 1 +150054.82 2 +255462.44 6920.0 – C57
2021-09-06 05:23:58 S 23 25 51.715 -05 32 13.34 – V C57
2021-09-06 05:23:58 s 1 +149811.14 2 +256000.75 6400.0 – C57
2021-09-06 05:33:58 S 23 25 52.166 -05 32 22.74 – V C57
2021-09-06 05:33:58 s 1 +149566.67 4 +256537.69 3380.0 – C57
2021-09-06 05:43:58 S 23 25 52.565 -05 32 31.81 – V C57
2021-09-06 05:43:58 s 1 +149321.42 3 +257073.26 7890.0 – C57
2021-09-06 05:53:58 S 23 25 53.035 -05 32 40.49 – V C57
2021-09-06 05:53:58 s 1 +149075.39 3 +257607.47 9930.0 – C57
2021-09-06 06:03:58 S 23 25 53.515 -05 32 49.56 – V C57
2021-09-06 06:03:58 s 1 +148828.58 6 +258140.32 9520.0 – C57
2021-09-06 06:13:58 S 23 25 53.962 -05 32 57.55 – V C57
2021-09-06 06:13:58 s 1 +148581.00 7 +258671.81 6670.0 – C57
2021-09-06 06:23:58 S 23 25 54.470 -05 33 06.98 – V C57
2021-09-06 06:23:58 s 1 +148332.66 0 +259201.95 1390.0 – C57
2021-09-06 06:33:58 S 23 25 54.876 -05 33 15.12 – V C57
2021-09-06 06:33:58 s 1 +148083.54 8 +259730.72 3690.0 – C57
2021-09-06 06:43:58 S 23 25 55.320 -05 33 25.27 – V C57
2021-09-06 06:43:58 s 1 +147833.67 6 +260258.14 3590.0 – C57
2021-09-06 06:53:58 S 23 25 55.754 -05 33 33.80 – V C57
2021-09-06 06:53:58 s 1 +147583.04 6 +260784.21 1090.0 – C57
2021-09-06 07:03:58 S 23 25 56.189 -05 33 43.16 – V C57
2021-09-06 07:03:58 s 1 +147331.66 3 +261308.92 6220.0 – C57
2021-09-06 07:13:58 S 23 25 56.662 -05 33 51.34 – V C57
2021-09-06 07:13:58 s 1 +147079.53 0 +261832.28 8970.0 – C57
2021-09-06 07:23:58 S 23 25 57.158 -05 34 00.19 – V C57
2021-09-06 07:23:58 s 1 +146826.65 1 +262354.29 9370.0 – C57
2021-09-06 07:33:58 S 23 25 57.612 -05 34 08.87 – V C57
2021-09-06 07:33:58 s 1 +146573.02 9 +262874.95 7420.0 – C57
2021-09-06 07:43:58 S 23 25 58.063 -05 34 17.94 – V C57
2021-09-06 07:43:58 s 1 +146318.66 9 +263394.27 3130.0 – C57
2021-09-06 07:53:58 S 23 25 58.495 -05 34 26.87 – V C57
2021-09-06 07:53:58 s 1 +146063.57 3 +263912.24 6530.0 – C57
2021-09-06 08:03:58 S 23 25 58.934 -05 34 36.30 – 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)