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 16:53:58 s 1 +131288.95 5 +289924.90 7620.0 – C57
2021-09-06 17:03:58 S 23 26 24.005 -05 42 33.73 – V C57
2021-09-06 17:03:58 s 1 +130998.43 7 +290371.07 9380.0 – C57
2021-09-06 17:13:58 S 23 26 24.427 -05 42 42.44 – V C57
2021-09-06 17:13:58 s 1 +130707.35 8 +290815.97 9380.0 – C57
2021-09-06 17:23:58 S 23 26 24.926 -05 42 51.37 – V C57
2021-09-06 17:23:58 s 1 +130415.72 1 +291259.60 7630.0 – C57
2021-09-06 17:33:58 S 23 26 25.416 -05 42 59.65 – V C57
2021-09-06 17:33:58 s 1 +130123.52 9 +291701.97 4130.0 – C57
2021-09-06 17:43:58 S 23 26 25.925 -05 43 08.22 – V C57
2021-09-06 17:43:58 s 1 +129830.78 3 +292143.07 8900.0 – C57
2021-09-06 17:53:58 S 23 26 26.407 -05 43 16.61 – V C57
2021-09-06 17:53:58 s 1 +129537.48 7 +292582.91 1930.0 – C57
2021-09-06 18:03:58 S 23 26 26.880 -05 43 26.00 – V C57
2021-09-06 18:03:58 s 1 +129243.64 4 +293021.49 3250.0 – C57
2021-09-06 18:13:58 S 23 26 27.312 -05 43 34.54 – V C57
2021-09-06 18:13:58 s 1 +128949.25 5 +293458.81 2850.0 – C57
2021-09-06 18:23:58 S 23 26 27.763 -05 43 43.86 – V C57
2021-09-06 18:23:58 s 1 +128654.32 4 +293894.87 750.0 – C57
2021-09-06 18:33:58 S 23 26 28.248 -05 43 52.50 – V C57
2021-09-06 18:33:58 s 1 +128358.85 4 +294329.67 6950.0 – C57
2021-09-06 18:43:58 S 23 26 28.762 -05 44 00.78 – V C57
2021-09-06 18:43:58 s 1 +128062.84 6 +294763.21 1470.0 – C57
2021-09-06 18:53:58 S 23 26 29.261 -05 44 09.67 – V C57
2021-09-06 18:53:58 s 1 +127766.30 4 +295195.50 4310.0 – C57
2021-09-06 19:03:58 S 23 26 29.712 -05 44 17.95 – V C57
2021-09-06 19:03:58 s 1 +127469.22 9 +295626.53 5480.0 – C57
2021-09-06 19:13:58 S 23 26 30.163 -05 44 27.60 – V C57
2021-09-06 19:13:58 s 1 +127171.62 5 +296056.32 4980.0 – C57
2021-09-06 19:23:58 S 23 26 30.638 -05 44 35.74 – V C57
2021-09-06 19:23:58 s 1 +126873.49 4 +296484.84 2840.0 – C57
2021-09-06 19:33:58 S 23 26 31.097 -05 44 45.28 – V C57
2021-09-06 19:33:58 s 1 +126574.83 9 +296912.12 9050.0 – C57
2021-09-06 19:43:58 S 23 26 31.579 -05 44 54.06 – V C57
2021-09-06 19:43:58 s 1 +126275.66 2 +297338.15 3610.0 – C57
2021-09-06 19:53:58 S 23 26 32.136 -05 45 02.41 – V C57
2021-09-06 19:53:58 s 1 +125975.96 6 +297762.94 6560.0 – C57
2021-09-06 20:03:58 S 23 26 32.587 -05 45 10.19 – V C57
2021-09-06 20:03:58 s 1 +125675.75 3 +298186.47 7870.0 – C57
2021-09-06 20:13:58 S 23 26 33.084 -05 45 19.76 – V C57
2021-09-06 20:13:58 s 1 +125375.02 6 +298608.76 7580.0 – C57
2021-09-06 20:23:58 S 23 26 33.492 -05 45 28.94 – V C57
2021-09-06 20:23:58 s 1 +125073.78 6 +299029.80 5680.0 – C57
2021-09-06 20:33:58 S 23 26 34.001 -05 45 37.62 – V C57
2021-09-06 20:33:58 s 1 +124772.03 8 +299449.60 2180.0 – C57
2021-09-06 20:43:58 S 23 26 34.445 -05 45 46.80 – V C57
2021-09-06 20:43:58 s 1 +124469.78 3 +299868.16 7090.0 – C57
2021-09-06 20:53:58 S 23 26 35.009 -05 45 54.65 – V C57
2021-09-06 20:53:58 s 1 +124167.02 3 +300285.48 430.0 – C57
2021-09-06 21:03:58 S 23 26 35.472 -05 46 03.76 – 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)