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
2021-08-25 03:43:58 S 23 01 15.550 -00 37 46.16 – V C57
2021-08-25 03:43:58 s 1 +80951.187 0 +340811.23 5160.0 – C57
2021-08-25 03:53:58 S 23 01 16.481 -00 37 58.87 – V C57
2021-08-25 03:53:58 s 1 +80601.625 0 +341096.06 900.0 – C57
2021-08-25 04:03:58 S 23 01 17.520 -00 38 11.54 – V C57
2021-08-25 04:03:58 s 1 +80251.787 0 +341379.75 5820.0 – C57
2021-08-25 04:13:58 S 23 01 18.449 -00 38 23.78 – V C57
2021-08-25 04:13:58 s 1 +79901.677 0 +341662.30 9920.0 – C57
2021-08-25 04:23:58 S 23 01 19.416 -00 38 36.13 – V C57
2021-08-25 04:23:58 s 1 +79551.294 0 +341943.71 3210.0 – C57
2021-08-25 04:33:58 S 23 01 20.419 -00 38 48.05 – V C57
2021-08-25 04:33:58 s 1 +79200.641 0 +342223.98 5710.0 – C57
2021-08-25 04:43:58 S 23 01 21.355 -00 39 00.58 – V C57
2021-08-25 04:43:58 s 1 +78849.719 0 +342503.12 7400.0 – C57
2021-08-25 04:53:58 S 23 01 22.421 -00 39 12.89 – V C57
2021-08-25 04:53:58 s 1 +78498.530 0 +342781.12 8300.0 – C57
2021-08-25 05:03:58 S 23 01 23.330 -00 39 25.45 – V C57
2021-08-25 05:03:58 s 1 +78147.075 0 +343057.98 8410.0 – C57
2021-08-25 05:13:58 S 23 01 24.379 -00 39 37.69 – V C57
2021-08-25 05:13:58 s 1 +77795.356 0 +343333.72 7740.0 – C57
2021-08-25 05:23:58 S 23 01 25.320 -00 39 49.36 – V C57
2021-08-25 05:23:58 s 1 +77443.374 0 +343608.32 6290.0 – C57
2021-08-25 05:33:58 S 23 01 26.304 -00 40 02.53 – V C57
2021-08-25 05:33:58 s 1 +77091.132 0 +343881.78 4070.0 – C57
2021-08-25 05:43:58 S 23 01 27.319 -00 40 14.56 – V C57
2021-08-25 05:43:58 s 1 +76738.630 0 +344154.12 1080.0 – C57
2021-08-25 05:53:58 S 23 01 28.234 -00 40 27.52 – V C57
2021-08-25 05:53:58 s 1 +76385.869 0 +344425.32 7330.0 – C57
2021-08-25 06:03:58 S 23 01 29.268 -00 40 39.50 – V C57
2021-08-25 06:03:58 s 1 +76032.853 0 +344695.40 2820.0 – C57
2021-08-25 06:13:58 S 23 01 30.178 -00 40 50.99 – V C57
2021-08-25 06:13:58 s 1 +75679.581 0 +344964.34 7560.0 – C57
2021-08-25 06:23:58 S 23 01 31.138 -00 41 03.23 – V C57
2021-08-25 06:23:58 s 1 +75326.056 0 +345232.16 1540.0 – C57
2021-08-25 06:33:58 S 23 01 32.129 -00 41 14.64 – V C57
2021-08-25 06:33:58 s 1 +74972.279 0 +345498.85 4790.0 – C57
2021-08-25 06:43:58 S 23 01 33.137 -00 41 27.20 – V C57
2021-08-25 06:43:58 s 1 +74618.251 0 +345764.41 7290.0 – C57
2021-08-25 06:53:58 S 23 01 34.181 -00 41 41.89 – V C57
2021-08-25 06:53:58 s 1 +74263.975 0 +346028.85 9070.0 – C57
2021-08-25 07:03:58 S 23 01 35.160 -00 41 55.18 – V C57
2021-08-25 07:03:58 s 1 +73909.451 0 +346292.17 110.0 – C57
2021-08-25 07:13:58 S 23 01 36.166 -00 42 06.05 – V C57
2021-08-25 07:13:58 s 1 +73554.681 0 +346554.35 430.0 – C57
2021-08-25 07:23:58 S 23 01 37.070 -00 42 17.06 – V C57
2021-08-25 07:23:58 s 1 +73199.667 0 +346815.42 30.0 – C57
2021-08-25 07:33:58 S 23 01 38.074 -00 42 30.17 – V C57
2021-08-25 07:33:58 s 1 +72844.410 0 +347075.36 8920.0 – C57
2021-08-25 07:43:58 S 23 01 39.103 -00 42 43.96 – V C57
2021-08-25 07:43:58 s 1 +72488.911 0 +347334.18 7100.0 – 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)