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 01:13:58 s 1 +116126.00 3 +310703.95 6750.0 – C57
2021-09-07 01:23:58 S 23 26 48.050 -05 49 50.84 – V C57
2021-09-07 01:23:58 s 1 +115810.51 3 +311088.19 220.0 – C57
2021-09-07 01:33:58 S 23 26 48.516 -05 49 59.70 – V C57
2021-09-07 01:33:58 s 1 +115494.58 3 +311471.23 2320.0 – C57
2021-09-07 01:43:58 S 23 26 48.996 -05 50 08.77 – V C57
2021-09-07 01:43:58 s 1 +115178.21 5 +311853.06 3050.0 – C57
2021-09-07 01:53:58 S 23 26 49.495 -05 50 16.73 – V C57
2021-09-07 01:53:58 s 1 +114861.41 2 +312233.68 2410.0 – C57
2021-09-07 02:03:58 S 23 26 50.057 -05 50 25.66 – V C57
2021-09-07 02:03:58 s 1 +114544.17 6 +312613.10 420.0 – C57
2021-09-07 02:13:58 S 23 26 50.515 -05 50 33.40 – V C57
2021-09-07 02:13:58 s 1 +114226.50 8 +312991.31 7090.0 – C57
2021-09-07 02:23:58 S 23 26 50.995 -05 50 43.19 – V C57
2021-09-07 02:23:58 s 1 +113908.41 1 +313368.31 2410.0 – C57
2021-09-07 02:33:58 S 23 26 51.463 -05 50 52.04 – V C57
2021-09-07 02:33:58 s 1 +113589.88 7 +313744.12 6400.0 – C57
2021-09-07 02:43:58 S 23 26 51.934 -05 51 01.44 – V C57
2021-09-07 02:43:58 s 1 +113270.93 8 +314118.72 9060.0 – C57
2021-09-07 02:53:58 S 23 26 52.454 -05 51 09.11 – V C57
2021-09-07 02:53:58 s 1 +112951.56 6 +314492.12 400.0 – C57
2021-09-07 03:03:58 S 23 26 52.958 -05 51 17.86 – V C57
2021-09-07 03:03:58 s 1 +112631.77 3 +314864.32 430.0 – C57
2021-09-07 03:13:58 S 23 26 53.443 -05 51 26.21 – V C57
2021-09-07 03:13:58 s 1 +112311.56 2 +315235.32 9150.0 – C57
2021-09-07 03:23:58 S 23 26 53.940 -05 51 35.28 – V C57
2021-09-07 03:23:58 s 1 +111990.93 4 +315605.13 6570.0 – C57
2021-09-07 03:33:58 S 23 26 54.403 -05 51 44.14 – V C57
2021-09-07 03:33:58 s 1 +111669.89 2 +315973.73 2690.0 – C57
2021-09-07 03:43:58 S 23 26 54.907 -05 51 52.60 – V C57
2021-09-07 03:43:58 s 1 +111348.43 8 +316341.15 7530.0 – C57
2021-09-07 03:53:58 S 23 26 55.351 -05 52 02.10 – V C57
2021-09-07 03:53:58 s 1 +111026.57 3 +316707.36 1090.0 – C57
2021-09-07 04:03:58 S 23 26 55.939 -05 52 09.62 – V C57
2021-09-07 04:03:58 s 1 +110704.30 0 +317072.39 3370.0 – C57
2021-09-07 04:13:58 S 23 26 56.422 -05 52 18.88 – V C57
2021-09-07 04:13:58 s 1 +110381.62 0 +317436.22 4390.0 – C57
2021-09-07 04:23:58 S 23 26 56.890 -05 52 27.48 – V C57
2021-09-07 04:23:58 s 1 +110058.53 6 +317798.86 4150.0 – C57
2021-09-07 04:33:58 S 23 26 57.346 -05 52 36.80 – V C57
2021-09-07 04:33:58 s 1 +109735.05 0 +318160.31 2650.0 – C57
2021-09-07 04:43:58 S 23 26 57.864 -05 52 45.23 – V C57
2021-09-07 04:43:58 s 1 +109411.16 4 +318520.57 9900.0 – C57
2021-09-07 04:53:58 S 23 26 58.363 -05 52 53.72 – V C57
2021-09-07 04:53:58 s 1 +109086.88 0 +318879.64 5910.0 – C57
2021-09-07 05:03:58 S 23 26 58.908 -05 53 01.46 – V C57
2021-09-07 05:03:58 s 1 +108762.19 9 +319237.53 690.0 – C57
2021-09-07 05:13:58 S 23 26 59.405 -05 53 11.04 – V C57
2021-09-07 05:13:58 s 1 +108437.12 4 +319594.23 4230.0 – C57
2021-09-07 05:23:58 S 23 26 59.863 -05 53 18.82 – 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)