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 13:23:58 s 1 +149919.97 7 +242780.69 330.0 – C57
2021-08-23 13:33:58 S 22 57 39.235 +00 09 47.20 – V C57
2021-08-23 13:33:58 s 1 +149692.23 5 +243358.82 4470.0 – C57
2021-08-23 13:43:58 S 22 57 40.066 +00 09 34.78 – V C57
2021-08-23 13:43:58 s 1 +149463.60 3 +243935.49 5790.0 – C57
2021-08-23 13:53:58 S 22 57 41.018 +00 09 22.25 – V C57
2021-08-23 13:53:58 s 1 +149234.08 5 +244510.72 4320.0 – C57
2021-08-23 14:03:58 S 22 57 41.918 +00 09 09.50 – V C57
2021-08-23 14:03:58 s 1 +149003.68 6 +245084.50 50.0 – C57
2021-08-23 14:13:58 S 22 57 42.816 +00 08 57.01 – V C57
2021-08-23 14:13:58 s 1 +148772.40 9 +245656.84 3020.0 – C57
2021-08-23 14:23:58 S 22 57 43.738 +00 08 44.66 – V C57
2021-08-23 14:23:58 s 1 +148540.26 0 +246227.74 3220.0 – C57
2021-08-23 14:33:58 S 22 57 44.597 +00 08 32.50 – V C57
2021-08-23 14:33:58 s 1 +148307.24 4 +246797.20 680.0 – C57
2021-08-23 14:43:58 S 22 57 45.530 +00 08 19.97 – V C57
2021-08-23 14:43:58 s 1 +148073.36 3 +247365.22 5420.0 – C57
2021-08-23 14:53:58 S 22 57 46.459 +00 08 07.51 – V C57
2021-08-23 14:53:58 s 1 +147838.62 4 +247931.81 7430.0 – C57
2021-08-23 15:03:58 S 22 57 47.323 +00 07 54.73 – V C57
2021-08-23 15:03:58 s 1 +147603.02 9 +248496.96 6750.0 – C57
2021-08-23 15:13:58 S 22 57 48.286 +00 07 42.20 – V C57
2021-08-23 15:13:58 s 1 +147366.58 5 +249060.68 3380.0 – C57
2021-08-23 15:23:58 S 22 57 49.171 +00 07 29.89 – V C57
2021-08-23 15:23:58 s 1 +147129.29 4 +249622.98 7340.0 – C57
2021-08-23 15:33:58 S 22 57 50.040 +00 07 17.44 – V C57
2021-08-23 15:33:58 s 1 +146891.16 1 +250183.84 8640.0 – C57
2021-08-23 15:43:58 S 22 57 50.993 +00 07 04.62 – V C57
2021-08-23 15:43:58 s 1 +146652.19 1 +250743.28 7300.0 – C57
2021-08-23 15:53:58 S 22 57 51.876 +00 06 52.16 – V C57
2021-08-23 15:53:58 s 1 +146412.38 7 +251301.29 3320.0 – C57
2021-08-23 16:03:58 S 22 57 52.786 +00 06 39.49 – V C57
2021-08-23 16:03:58 s 1 +146171.75 5 +251857.88 6730.0 – C57
2021-08-23 16:13:58 S 22 57 53.729 +00 06 27.22 – V C57
2021-08-23 16:13:58 s 1 +145930.29 7 +252413.05 7540.0 – C57
2021-08-23 16:23:58 S 22 57 54.588 +00 06 15.05 – V C57
2021-08-23 16:23:58 s 1 +145688.01 9 +252966.81 5750.0 – C57
2021-08-23 16:33:58 S 22 57 55.507 +00 06 02.23 – V C57
2021-08-23 16:33:58 s 1 +145444.92 4 +253519.14 1390.0 – C57
2021-08-23 16:43:58 S 22 57 56.443 +00 05 49.81 – V C57
2021-08-23 16:43:58 s 1 +145201.01 7 +254070.06 4470.0 – C57
2021-08-23 16:53:58 S 22 57 57.319 +00 05 37.50 – V C57
2021-08-23 16:53:58 s 1 +144956.30 2 +254619.56 4990.0 – C57
2021-08-23 17:03:58 S 22 57 58.274 +00 05 24.58 – V C57
2021-08-23 17:03:58 s 1 +144710.78 2 +255167.66 2980.0 – C57
2021-08-23 17:13:58 S 22 57 59.153 +00 05 12.77 – V C57
2021-08-23 17:13:58 s 1 +144464.46 2 +255714.34 8450.0 – C57
2021-08-23 17:23:58 S 22 58 00.043 +00 04 59.74 – V C57
2021-08-23 17:23:58 s 1 +144217.34 6 +256259.61 1400.0 – C57
2021-08-23 17:33:58 S 22 58 01.022 +00 04 47.14 – 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)