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
2021-09-14 00:03:59 s 1 -188854.86 5 +155848.91 60.0 – C57
2021-09-14 00:11:52 C 23 37 19.27 -07 54 02.1 – Y 557
2021-09-14 00:13:59 S 23 36 36.269 -07 56 22.81 – V C57
2021-09-14 00:13:59 s 1 -188878.63 7 +155121.78 6660.0 – C57
2021-09-14 00:23:59 S 23 36 36.994 -07 56 30.19 – V C57
2021-09-14 00:23:59 s 1 -188900.72 7 +154393.27 7660.0 – C57
2021-09-14 00:33:59 S 23 36 37.651 -07 56 35.09 – V C57
2021-09-14 00:33:59 s 1 -188921.12 6 +153663.38 3020.0 – C57
2021-09-14 00:43:59 S 23 36 38.326 -07 56 41.64 – V C57
2021-09-14 00:43:59 s 1 -188939.82 7 +152932.12 2710.0 – C57
2021-09-14 00:53:59 S 23 36 38.957 -07 56 46.86 – V C57
2021-09-14 00:53:59 s 1 -188956.81 9 +152199.47 6710.0 – C57
2021-09-14 01:03:59 S 23 36 39.667 -07 56 54.64 – V C57
2021-09-14 01:03:59 s 1 -188972.09 4 +151465.45 4980.0 – C57
2021-09-14 01:10:37 C 23 37 21.55 -07 54 38.2 – Y 557
2021-09-14 01:13:59 S 23 36 40.308 -07 56 59.75 – V C57
2021-09-14 01:13:59 s 1 -188985.64 4 +150730.04 7490.0 – C57
2021-09-14 01:23:59 S 23 36 41.066 -07 57 07.38 – V C57
2021-09-14 01:23:59 s 1 -188997.45 7 +149993.25 4220.0 – C57
2021-09-14 01:33:59 S 23 36 41.753 -07 57 12.71 – V C57
2021-09-14 01:33:59 s 1 -189007.52 6 +149255.09 5130.0 – C57
2021-09-14 01:43:59 S 23 36 42.314 -07 57 19.26 – V C57
2021-09-14 01:43:59 s 1 -189015.84 2 +148515.54 190.0 – C57
2021-09-14 01:53:59 S 23 36 43.111 -07 57 25.06 – V C57
2021-09-14 01:53:59 s 1 -189022.39 4 +147774.60 9370.0 – C57
2021-09-14 02:03:59 S 23 36 43.800 -07 57 31.43 – V C57
2021-09-14 02:03:59 s 1 -189027.17 4 +147032.29 2640.0 – C57
2021-09-14 02:13:59 S 23 36 44.424 -07 57 36.68 – V C57
2021-09-14 02:13:59 s 1 -189030.17 1 +146288.59 9970.0 – C57
2021-09-14 02:23:59 S 23 36 45.240 -07 57 44.75 – V C57
2021-09-14 02:23:59 s 1 -189031.37 7 +145543.51 1320.0 – C57
2021-09-14 02:33:59 S 23 36 45.854 -07 57 50.11 – V C57
2021-09-14 02:33:59 s 1 -189030.78 2 +144797.04 6670.0 – C57
2021-09-14 02:43:59 S 23 36 46.514 -07 57 55.87 – V C57
2021-09-14 02:43:59 s 1 -189028.37 6 +144049.20 5990.0 – C57
2021-09-14 02:53:59 S 23 36 47.239 -07 58 02.86 – V C57
2021-09-14 02:53:59 s 1 -189024.14 9 +143299.96 9230.0 – C57
2021-09-14 03:03:59 S 23 36 47.890 -07 58 07.93 – V C57
2021-09-14 03:03:59 s 1 -189018.09 2 +142549.35 6370.0 – C57
2021-09-14 03:13:59 S 23 36 48.497 -07 58 15.24 – V C57
2021-09-14 03:13:59 s 1 -189010.19 4 +141797.34 7370.0 – C57
2021-09-14 03:23:59 S 23 36 49.229 -07 58 20.28 – V C57
2021-09-14 03:23:59 s 1 -189000.44 6 +141043.96 2200.0 – C57
2021-09-14 03:33:59 S 23 36 49.946 -07 58 26.51 – V C57
2021-09-14 03:33:59 s 1 -188988.83 7 +140289.18 830.0 – C57
2021-09-14 03:43:59 S 23 36 50.568 -07 58 32.02 – V C57
2021-09-14 03:43:59 s 1 -188975.35 8 +139533.03 3230.0 – C57
2021-09-14 03:53:59 S 23 36 51.283 -07 58 40.15 – V C57
2021-09-14 03:53:59 s 1 -188959.99 8 +138775.48 9360.0 – C57
2021-09-14 04:03:59 S 23 36 51.895 -07 58 44.18 – 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)