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
2021-08-23 17:33:58 s 1 +143969.43 8 +256803.48 1860.0 – C57
2021-08-23 17:43:58 S 22 58 01.894 +00 04 34.61 – V C57
2021-08-23 17:43:58 s 1 +143720.74 2 +257345.95 9830.0 – C57
2021-08-23 17:53:58 S 22 58 02.813 +00 04 22.33 – V C57
2021-08-23 17:53:58 s 1 +143471.26 1 +257887.01 5340.0 – C57
2021-08-23 18:03:58 S 22 58 03.770 +00 04 09.52 – V C57
2021-08-23 18:03:58 s 1 +143221.00 0 +258426.67 8380.0 – C57
2021-08-23 18:13:58 S 22 58 04.622 +00 03 57.20 – V C57
2021-08-23 18:13:58 s 1 +142969.96 3 +258964.93 8980.0 – C57
2021-08-23 18:23:58 S 22 58 05.554 +00 03 44.50 – V C57
2021-08-23 18:23:58 s 1 +142718.15 4 +259501.79 7140.0 – C57
2021-08-23 18:33:58 S 22 58 06.473 +00 03 31.86 – V C57
2021-08-23 18:33:58 s 1 +142465.57 6 +260037.26 2890.0 – C57
2021-08-23 18:43:58 S 22 58 07.363 +00 03 19.30 – V C57
2021-08-23 18:43:58 s 1 +142212.23 3 +260571.33 6220.0 – C57
2021-08-23 18:53:58 S 22 58 08.321 +00 03 07.16 – V C57
2021-08-23 18:53:58 s 1 +141958.12 9 +261104.01 7160.0 – C57
2021-08-23 19:03:58 S 22 58 09.223 +00 02 55.25 – V C57
2021-08-23 19:03:58 s 1 +141703.26 8 +261635.30 5720.0 – C57
2021-08-23 19:13:58 S 22 58 10.085 +00 02 42.07 – V C57
2021-08-23 19:13:58 s 1 +141447.65 4 +262165.20 1900.0 – C57
2021-08-23 19:23:58 S 22 58 11.074 +00 02 29.76 – V C57
2021-08-23 19:23:58 s 1 +141191.29 0 +262693.71 5730.0 – C57
2021-08-23 19:33:58 S 22 58 11.969 +00 02 17.23 – V C57
2021-08-23 19:33:58 s 1 +140934.18 1 +263220.83 7200.0 – C57
2021-08-23 19:43:58 S 22 58 12.890 +00 02 04.34 – V C57
2021-08-23 19:43:58 s 1 +140676.32 9 +263746.58 6350.0 – C57
2021-08-23 19:53:58 S 22 58 13.838 +00 01 52.07 – V C57
2021-08-23 19:53:58 s 1 +140417.73 9 +264270.94 3170.0 – C57
2021-08-23 20:03:58 S 22 58 14.695 +00 01 40.30 – V C57
2021-08-23 20:03:58 s 1 +140158.41 5 +264793.92 7680.0 – C57
2021-08-23 20:13:58 S 22 58 15.701 +00 01 27.37 – V C57
2021-08-23 20:13:58 s 1 +139898.35 9 +265315.52 9890.0 – C57
2021-08-23 20:23:58 S 22 58 16.579 +00 01 14.70 – V C57
2021-08-23 20:23:58 s 1 +139637.57 6 +265835.74 9820.0 – C57
2021-08-23 20:33:58 S 22 58 17.472 +00 01 02.03 – V C57
2021-08-23 20:33:58 s 1 +139376.06 9 +266354.59 7460.0 – C57
2021-08-23 20:43:58 S 22 58 18.439 +00 00 50.00 – V C57
2021-08-23 20:43:58 s 1 +139113.84 2 +266872.06 2850.0 – C57
2021-08-23 21:13:58 S 22 58 21.182 +00 00 12.35 – V C57
2021-08-23 21:13:58 s 1 +138322.87 6 +268416.26 5540.0 – C57
2021-08-23 21:23:58 S 22 58 22.070 -00 00 00.29 – V C57
2021-08-23 21:23:58 s 1 +138057.80 4 +268928.26 1980.0 – C57
2021-08-23 21:33:58 S 22 58 23.042 -00 00 12.74 – V C57
2021-08-23 21:33:58 s 1 +137792.02 9 +269438.89 6220.0 – C57
2021-08-23 21:43:58 S 22 58 23.926 -00 00 24.59 – V C57
2021-08-23 21:43:58 s 1 +137525.55 6 +269948.15 8270.0 – C57
2021-08-23 21:53:58 S 22 58 24.821 -00 00 37.76 – V C57
2021-08-23 21:53:58 s 1 +137258.38 7 +270456.06 8130.0 – C57
2021-08-23 22:03:58 S 22 58 25.781 -00 00 50.40 – 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)