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
2021-08-21 10:33:58 s 1 +135522.65 2 - 7240.323 8300.0 – C57
2021-08-21 10:43:58 S 22 53 35.551 +01 11 09.17 – V C57
2021-08-21 10:43:58 s 1 +136105.33 2 - 6220.663 6410.0 – C57
2021-08-21 10:53:58 S 22 53 36.206 +01 10 58.22 – V C57
2021-08-21 10:53:58 s 1 +136681.37 8 - 5200.713 2920.0 – C57
2021-08-21 11:03:58 S 22 53 36.869 +01 10 47.06 – V C57
2021-08-21 11:03:58 s 1 +137250.84 1 - 4180.527 7980.0 – C57
2021-08-21 11:13:58 S 22 53 37.584 +01 10 35.87 – V C57
2021-08-21 11:13:58 s 1 +137813.77 0 - 3160.156 1770.0 – C57
2021-08-21 11:23:58 S 22 53 38.225 +01 10 24.20 – V C57
2021-08-21 11:23:58 s 1 +138370.21 4 - 2139.649 4440.0 – C57
2021-08-21 11:33:58 S 22 53 38.952 +01 10 13.91 – V C57
2021-08-21 11:33:58 s 1 +138920.22 2 - 1119.058 6170.0 – C57
2021-08-21 11:43:58 S 22 53 39.538 +01 10 03.14 – V C57
2021-08-21 11:43:58 s 1 +139463.84 5 - 98.429 7100.0 – C57
2021-08-21 11:53:58 S 22 53 40.246 +01 09 51.70 – V C57
2021-08-21 11:53:58 s 1 +140001.13 0 + 922.191 7410.0 – C57
2021-08-21 12:03:58 S 22 53 40.994 +01 09 40.72 – V C57
2021-08-21 12:03:58 s 1 +140532.12 6 + 1942.755 7260.0 – C57
2021-08-21 12:13:58 S 22 53 41.609 +01 09 29.84 – V C57
2021-08-21 12:13:58 s 1 +141056.88 2 + 2963.219 6800.0 – C57
2021-08-21 12:23:58 S 22 53 42.278 +01 09 18.68 – V C57
2021-08-21 12:23:58 s 1 +141575.44 6 + 3983.538 6200.0 – C57
2021-08-21 12:33:58 S 22 53 43.010 +01 09 07.31 – V C57
2021-08-21 12:33:58 s 1 +142087.86 6 + 5003.670 5610.0 – C57
2021-08-21 12:43:58 S 22 53 43.685 +01 08 56.22 – V C57
2021-08-21 12:43:58 s 1 +142594.18 9 + 6023.574 5180.0 – C57
2021-08-21 12:53:58 S 22 53 44.330 +01 08 45.64 – V C57
2021-08-21 12:53:58 s 1 +143094.46 3 + 7043.207 5090.0 – C57
2021-08-21 13:03:58 S 22 53 44.995 +01 08 33.94 – V C57
2021-08-21 13:03:58 s 1 +143588.73 5 + 8062.531 5480.0 – C57
2021-08-21 13:13:58 S 22 53 45.710 +01 08 22.96 – V C57
2021-08-21 13:13:58 s 1 +144077.05 2 + 9081.506 6500.0 – C57
2021-08-21 13:23:58 S 22 53 46.414 +01 08 11.90 – V C57
2021-08-21 13:23:58 s 1 +144559.46 0 +10100.095 8320.0 – C57
2021-08-21 13:33:58 S 22 53 47.066 +01 08 00.85 – V C57
2021-08-21 13:33:58 s 1 +145036.00 6 +11118.259 1080.0 – C57
2021-08-21 13:43:58 S 22 53 47.743 +01 07 49.55 – V C57
2021-08-21 13:43:58 s 1 +145506.73 6 +12135.964 4930.0 – C57
2021-08-21 13:53:58 S 22 53 48.425 +01 07 38.46 – V C57
2021-08-21 13:53:58 s 1 +145971.69 6 +13153.172 40.0 – C57
2021-08-21 14:03:58 S 22 53 49.154 +01 07 27.26 – V C57
2021-08-21 14:03:58 s 1 +146430.93 1 +14169.851 6540.0 – C57
2021-08-21 14:13:58 S 22 53 49.826 +01 07 15.46 – V C57
2021-08-21 14:13:58 s 1 +146884.48 5 +15185.965 4580.0 – C57
2021-08-21 14:23:58 S 22 53 50.477 +01 07 04.26 – V C57
2021-08-21 14:23:58 s 1 +147332.40 5 +16201.483 4310.0 – C57
2021-08-21 14:33:58 S 22 53 51.163 +01 06 53.28 – V C57
2021-08-21 14:33:58 s 1 +147774.73 5 +17216.371 5890.0 – C57
2021-08-21 14:43:58 S 22 53 51.931 +01 06 41.62 – 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)