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
2021-08-22 21:23:58 s 1 +166814.53 5 +180241.32 8660.0 – C57
2021-08-22 21:33:58 S 22 56 15.074 +00 29 42.65 – V C57
2021-08-22 21:33:58 s 1 +166698.81 0 +180967.64 9270.0 – C57
2021-08-22 21:43:58 S 22 56 15.881 +00 29 30.91 – V C57
2021-08-22 21:43:58 s 1 +166581.58 2 +181692.32 5070.0 – C57
2021-08-22 21:45:21 C 22 57 58.17 +00 22 42.4 – V 089
2021-08-22 21:48:39 C 22 57 58.47 +00 22 38.8 – V 089
2021-08-22 21:51:57 C 22 57 58.84 +00 22 35.0 – V 089
2021-08-22 21:53:58 S 22 56 16.711 +00 29 18.42 – V C57
2021-08-22 21:53:58 s 1 +166462.85 8 +182415.37 6100.0 – C57
2021-08-22 21:58:33 C 22 57 59.54 +00 22 27.6 – V 089
2021-08-22 22:03:58 S 22 56 17.609 +00 29 05.53 – V C57
2021-08-22 22:03:58 s 1 +166342.64 9 +183136.78 2370.0 – C57
2021-08-22 22:05:09 C 22 58 00.26 +00 22 18.2 – V 089
2021-08-22 22:08:27 C 22 58 00.61 +00 22 15.2 – V 089
2021-08-22 22:11:45 C 22 58 00.95 +00 22 10.5 – V 089
2021-08-22 22:13:58 S 22 56 18.463 +00 28 53.40 – V C57
2021-08-22 22:13:58 s 1 +166220.96 2 +183856.55 3920.0 – C57
2021-08-22 22:15:03 C 22 58 01.29 +00 22 07.4 – V 089
2021-08-22 22:23:58 S 22 56 19.284 +00 28 40.62 – V C57
2021-08-22 22:23:58 s 1 +166097.80 6 +184574.70 780.0 – C57
2021-08-22 22:33:58 S 22 56 20.162 +00 28 28.49 – V C57
2021-08-22 22:33:58 s 1 +165973.18 9 +185291.22 2980.0 – C57
2021-08-22 22:43:58 S 22 56 21.000 +00 28 16.18 – V C57
2021-08-22 22:43:58 s 1 +165847.12 1 +186006.11 530.0 – C57
2021-08-22 22:53:58 S 22 56 21.809 +00 28 03.65 – V C57
2021-08-22 22:53:58 s 1 +165719.60 9 +186719.37 3480.0 – C57
2021-08-22 23:03:58 S 22 56 22.716 +00 27 50.94 – V C57
2021-08-22 23:03:58 s 1 +165590.66 1 +187431.01 1830.0 – C57
2021-08-22 23:13:58 S 22 56 23.554 +00 27 39.02 – V C57
2021-08-22 23:13:58 s 1 +165460.28 7 +188141.03 5640.0 – C57
2021-08-22 23:23:58 S 22 56 24.384 +00 27 26.78 – V C57
2021-08-22 23:23:58 s 1 +165328.49 3 +188849.43 4910.0 – C57
2021-08-22 23:33:58 S 22 56 25.267 +00 27 13.97 – V C57
2021-08-22 23:33:58 s 1 +165195.28 9 +189556.22 9670.0 – C57
2021-08-22 23:43:58 S 22 56 26.146 +00 27 01.84 – V C57
2021-08-22 23:43:58 s 1 +165060.68 2 +190261.38 9960.0 – C57
2021-08-22 23:53:58 S 22 56 26.969 +00 26 49.20 – V C57
2021-08-22 23:53:58 s 1 +164924.68 1 +190964.94 5800.0 – C57
2021-08-23 00:03:58 S 22 56 27.847 +00 26 36.64 – V C57
2021-08-23 00:03:58 s 1 +164787.29 3 +191666.88 7210.0 – C57
2021-08-23 00:13:58 S 22 56 28.690 +00 26 24.72 – V C57
2021-08-23 00:13:58 s 1 +164648.52 6 +192367.22 4210.0 – C57
2021-08-23 00:23:58 S 22 56 29.546 +00 26 12.05 – V C57
2021-08-23 00:23:58 s 1 +164508.38 9 +193065.95 6850.0 – C57
2021-08-23 00:33:58 S 22 56 30.439 +00 25 59.38 – V C57
2021-08-23 00:33:58 s 1 +164366.88 8 +193763.07 5130.0 – C57
2021-08-23 00:43:58 S 22 56 31.289 +00 25 47.17 – V C57
2021-08-23 00:43:58 s 1 +164224.03 2 +194458.59 9090.0 – C57
2021-08-23 00:53:58 S 22 56 32.098 +00 25 34.93 – 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)