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
2021-09-05 03:03:58 S 23 24 46.358 -05 08 38.26 – V C57
2021-09-05 03:03:58 s 1 +175276.27 6 +152936.66 1090.0 – C57
2021-09-05 03:13:58 S 23 24 46.702 -05 08 47.51 – V C57
2021-09-05 03:13:58 s 1 +175223.91 5 +153709.54 9710.0 – C57
2021-09-05 03:23:58 S 23 24 47.093 -05 08 56.58 – V C57
2021-09-05 03:23:58 s 1 +175169.73 3 +154480.80 2510.0 – C57
2021-09-05 03:33:58 S 23 24 47.424 -05 09 05.36 – V C57
2021-09-05 03:33:58 s 1 +175113.74 3 +155250.45 9510.0 – C57
2021-09-05 03:43:58 S 23 24 47.851 -05 09 14.04 – V C57
2021-09-05 03:43:58 s 1 +175055.95 4 +156018.50 770.0 – C57
2021-09-05 03:53:58 S 23 24 48.163 -05 09 23.76 – V C57
2021-09-05 03:53:58 s 1 +174996.37 8 +156784.94 6310.0 – C57
2021-09-05 04:03:58 S 23 24 48.631 -05 09 31.61 – V C57
2021-09-05 04:03:58 s 1 +174935.02 4 +157549.77 6160.0 – C57
2021-09-05 04:13:58 S 23 24 49.051 -05 09 41.65 – V C57
2021-09-05 04:13:58 s 1 +174871.90 5 +158313.00 370.0 – C57
2021-09-05 04:23:58 S 23 24 49.447 -05 09 49.54 – V C57
2021-09-05 04:23:58 s 1 +174807.02 9 +159074.62 8960.0 – C57
2021-09-05 04:33:58 S 23 24 49.771 -05 09 59.22 – V C57
2021-09-05 04:33:58 s 1 +174740.40 7 +159834.64 1970.0 – C57
2021-09-05 04:43:58 S 23 24 50.162 -05 10 07.90 – V C57
2021-09-05 04:43:58 s 1 +174672.05 0 +160593.06 9430.0 – C57
2021-09-05 04:53:58 S 23 24 50.518 -05 10 17.40 – V C57
2021-09-05 04:53:58 s 1 +174601.96 7 +161349.87 1370.0 – C57
2021-09-05 05:03:58 S 23 24 50.875 -05 10 25.50 – V C57
2021-09-05 05:03:58 s 1 +174530.16 9 +162105.09 7830.0 – C57
2021-09-05 05:13:58 S 23 24 51.262 -05 10 35.62 – V C57
2021-09-05 05:13:58 s 1 +174456.66 6 +162858.71 8830.0 – C57
2021-09-05 05:23:58 S 23 24 51.624 -05 10 44.44 – V C57
2021-09-05 05:23:58 s 1 +174381.46 8 +163610.73 4420.0 – C57
2021-09-05 05:33:58 S 23 24 51.991 -05 10 53.51 – V C57
2021-09-05 05:33:58 s 1 +174304.58 4 +164361.15 4620.0 – C57
2021-09-05 05:43:58 S 23 24 52.402 -05 11 02.29 – V C57
2021-09-05 05:43:58 s 1 +174226.02 5 +165109.98 9470.0 – C57
2021-09-05 05:53:58 S 23 24 52.750 -05 11 11.90 – V C57
2021-09-05 05:53:58 s 1 +174145.79 9 +165857.22 8990.0 – C57
2021-09-05 06:03:58 S 23 24 53.165 -05 11 20.51 – V C57
2021-09-05 06:03:58 s 1 +174063.91 8 +166602.86 3220.0 – C57
2021-09-05 06:13:58 S 23 24 53.542 -05 11 29.11 – V C57
2021-09-05 06:13:58 s 1 +173980.39 0 +167346.92 2190.0 – C57
2021-09-05 06:23:58 S 23 24 53.959 -05 11 37.82 – V C57
2021-09-05 06:23:58 s 1 +173895.22 4 +168089.38 5920.0 – C57
2021-09-05 06:33:58 S 23 24 54.355 -05 11 46.93 – V C57
2021-09-05 06:33:58 s 1 +173808.43 1 +168830.26 4460.0 – C57
2021-09-05 06:43:58 S 23 24 54.780 -05 11 55.82 – V C57
2021-09-05 06:43:58 s 1 +173720.02 0 +169569.55 7820.0 – C57
2021-09-05 06:53:58 S 23 24 55.133 -05 12 05.26 – V C57
2021-09-05 06:53:58 s 1 +173629.99 9 +170307.25 6050.0 – C57
2021-09-05 07:03:58 S 23 24 55.522 -05 12 13.79 – V C57
2021-09-05 07:03:58 s 1 +173538.37 9 +171043.37 9170.0 – 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)