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
2021-08-21 06:23:58 s 1 +118652.76 8 -32456.409 4900.0 – C57
2021-08-21 06:33:58 S 22 53 18.838 +01 15 37.80 – V C57
2021-08-21 06:33:58 s 1 +119417.59 2 -31465.084 7430.0 – C57
2021-08-21 06:43:58 S 22 53 19.483 +01 15 27.18 – V C57
2021-08-21 06:43:58 s 1 +120174.53 8 -30471.695 4200.0 – C57
2021-08-21 06:53:58 S 22 53 20.155 +01 15 16.09 – V C57
2021-08-21 06:53:58 s 1 +120923.65 3 -29476.332 5380.0 – C57
2021-08-21 07:03:58 S 22 53 20.878 +01 15 05.69 – V C57
2021-08-21 07:03:58 s 1 +121664.98 6 -28479.084 1110.0 – C57
2021-08-21 07:13:58 S 22 53 21.509 +01 14 55.32 – V C57
2021-08-21 07:13:58 s 1 +122398.58 4 -27480.038 1570.0 – C57
2021-08-21 07:23:58 S 22 53 22.176 +01 14 44.70 – V C57
2021-08-21 07:23:58 s 1 +123124.49 5 -26479.277 6920.0 – C57
2021-08-21 07:33:58 S 22 53 22.826 +01 14 33.90 – V C57
2021-08-21 07:33:58 s 1 +123842.77 0 -25476.887 7320.0 – C57
2021-08-21 07:43:58 S 22 53 23.542 +01 14 23.32 – V C57
2021-08-21 07:43:58 s 1 +124553.45 6 -24472.948 2930.0 – C57
2021-08-21 07:53:58 S 22 53 24.209 +01 14 12.52 – V C57
2021-08-21 07:53:58 s 1 +125256.60 4 -23467.540 3930.0 – C57
2021-08-21 08:03:58 S 22 53 24.830 +01 14 02.00 – V C57
2021-08-21 08:03:58 s 1 +125952.26 2 -22460.741 470.0 – C57
2021-08-21 08:13:58 S 22 53 25.471 +01 13 51.46 – V C57
2021-08-21 08:13:58 s 1 +126640.48 2 -21452.628 2730.0 – C57
2021-08-21 08:23:58 S 22 53 26.172 +01 13 40.55 – V C57
2021-08-21 08:23:58 s 1 +127321.31 3 -20443.277 860.0 – C57
2021-08-21 08:33:58 S 22 53 26.875 +01 13 30.04 – V C57
2021-08-21 08:33:58 s 1 +127994.80 5 -19432.760 5050.0 – C57
2021-08-21 08:43:58 S 22 53 27.487 +01 13 19.31 – V C57
2021-08-21 08:43:58 s 1 +128661.00 8 -18421.149 5460.0 – C57
2021-08-21 08:53:58 S 22 53 28.147 +01 13 08.36 – V C57
2021-08-21 08:53:58 s 1 +129319.97 4 -17408.515 2250.0 – C57
2021-08-21 09:03:58 S 22 53 28.838 +01 12 57.56 – V C57
2021-08-21 09:03:58 s 1 +129971.75 2 -16394.926 5590.0 – C57
2021-08-21 09:13:58 S 22 53 29.506 +01 12 47.02 – V C57
2021-08-21 09:13:58 s 1 +130616.39 3 -15380.450 5650.0 – C57
2021-08-21 09:23:58 S 22 53 30.182 +01 12 35.78 – V C57
2021-08-21 09:23:58 s 1 +131253.94 7 -14365.153 2610.0 – C57
2021-08-21 09:33:58 S 22 53 30.816 +01 12 25.20 – V C57
2021-08-21 09:33:58 s 1 +131884.46 6 -13349.100 6620.0 – C57
2021-08-21 09:43:58 S 22 53 31.488 +01 12 14.00 – V C57
2021-08-21 09:43:58 s 1 +132507.99 9 -12332.352 7860.0 – C57
2021-08-21 09:53:58 S 22 53 32.227 +01 12 03.35 – V C57
2021-08-21 09:53:58 s 1 +133124.59 8 -11314.973 6490.0 – C57
2021-08-21 10:03:58 S 22 53 32.856 +01 11 52.37 – V C57
2021-08-21 10:03:58 s 1 +133734.31 2 -10297.022 2680.0 – C57
2021-08-21 10:13:58 S 22 53 33.494 +01 11 42.11 – V C57
2021-08-21 10:13:58 s 1 +134337.19 2 - 9278.559 6600.0 – C57
2021-08-21 10:23:58 S 22 53 34.171 +01 11 30.52 – V C57
2021-08-21 10:23:58 s 1 +134933.28 9 - 8259.640 8420.0 – C57
2021-08-21 10:33:58 S 22 53 34.896 +01 11 19.75 – 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)