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
2021-09-05 16:03:58 S 23 25 17.107 -05 20 19.18 – V C57
2021-09-05 16:03:58 s 1 +166446.42 8 +208482.58 5950.0 – C57
2021-09-05 16:13:58 S 23 25 17.563 -05 20 28.61 – V C57
2021-09-05 16:13:58 s 1 +166279.26 0 +209133.92 8200.0 – C57
2021-09-05 16:23:58 S 23 25 17.964 -05 20 36.78 – V C57
2021-09-05 16:23:58 s 1 +166110.91 7 +209783.76 6710.0 – C57
2021-09-05 16:33:58 S 23 25 18.415 -05 20 45.74 – V C57
2021-09-05 16:33:58 s 1 +165941.40 4 +210432.11 1500.0 – C57
2021-09-05 16:43:58 S 23 25 18.852 -05 20 54.13 – V C57
2021-09-05 16:43:58 s 1 +165770.72 8 +211078.96 2580.0 – C57
2021-09-05 16:53:58 S 23 25 19.279 -05 21 03.06 – V C57
2021-09-05 16:53:58 s 1 +165598.89 6 +211724.33 9990.0 – C57
2021-09-05 17:03:58 S 23 25 19.656 -05 21 12.53 – V C57
2021-09-05 17:03:58 s 1 +165425.91 2 +212368.20 3740.0 – C57
2021-09-05 17:13:58 S 23 25 20.069 -05 21 21.38 – V C57
2021-09-05 17:13:58 s 1 +165251.78 3 +213010.59 3840.0 – C57
2021-09-05 17:23:58 S 23 25 20.443 -05 21 30.92 – V C57
2021-09-05 17:23:58 s 1 +165076.51 6 +213651.49 330.0 – C57
2021-09-05 17:33:58 S 23 25 20.894 -05 21 39.89 – V C57
2021-09-05 17:33:58 s 1 +164900.11 6 +214290.91 3210.0 – C57
2021-09-05 17:43:58 S 23 25 21.295 -05 21 48.96 – V C57
2021-09-05 17:43:58 s 1 +164722.58 8 +214928.85 2500.0 – C57
2021-09-05 17:53:58 S 23 25 21.749 -05 21 57.24 – V C57
2021-09-05 17:53:58 s 1 +164543.94 0 +215565.30 8240.0 – C57
2021-09-05 18:03:58 S 23 25 22.181 -05 22 05.74 – V C57
2021-09-05 18:03:58 s 1 +164364.17 6 +216200.28 420.0 – C57
2021-09-05 18:13:58 S 23 25 22.610 -05 22 14.16 – V C57
2021-09-05 18:13:58 s 1 +164183.30 3 +216833.78 9080.0 – C57
2021-09-05 18:23:58 S 23 25 23.064 -05 22 24.31 – V C57
2021-09-05 18:23:58 s 1 +164001.32 6 +217465.80 4230.0 – C57
2021-09-05 18:33:58 S 23 25 23.558 -05 22 32.23 – V C57
2021-09-05 18:33:58 s 1 +163818.25 2 +218096.35 5900.0 – C57
2021-09-05 18:43:58 S 23 25 23.969 -05 22 42.20 – V C57
2021-09-05 18:43:58 s 1 +163634.08 4 +218725.43 4090.0 – C57
2021-09-05 18:53:58 S 23 25 24.350 -05 22 51.67 – V C57
2021-09-05 18:53:58 s 1 +163448.83 1 +219353.04 8820.0 – C57
2021-09-05 19:03:58 S 23 25 24.686 -05 22 59.41 – V C57
2021-09-05 19:03:58 s 1 +163262.49 6 +219979.18 120.0 – C57
2021-09-05 19:13:58 S 23 25 25.075 -05 23 08.27 – V C57
2021-09-05 19:13:58 s 1 +163075.08 6 +220603.85 8010.0 – C57
2021-09-05 20:03:58 S 23 25 27.250 -05 23 54.02 – V C57
2021-09-05 20:03:58 s 1 +162122.09 8 +223705.27 6790.0 – C57
2021-09-05 20:13:58 S 23 25 27.626 -05 24 03.24 – V C57
2021-09-05 20:13:58 s 1 +161928.35 1 +224321.17 4540.0 – C57
2021-09-05 20:23:58 S 23 25 28.056 -05 24 12.42 – V C57
2021-09-05 20:23:58 s 1 +161733.56 7 +224935.62 9000.0 – C57
2021-09-05 20:33:58 S 23 25 28.469 -05 24 21.60 – V C57
2021-09-05 20:33:58 s 1 +161537.75 1 +225548.62 180.0 – C57
2021-09-05 20:43:58 S 23 25 28.920 -05 24 29.81 – V C57
2021-09-05 20:43:58 s 1 +161340.90 8 +226160.16 8100.0 – 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)