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
2021-09-10 06:13:59 S 23 30 57.331 -06 53 12.98 – V C57
2021-09-10 06:13:59 s 1 -51168.220 0 +371261.96 3950.0 – C57
2021-09-10 06:23:59 S 23 30 57.919 -06 53 21.23 – V C57
2021-09-10 06:23:59 s 1 -51534.271 0 +371153.72 7180.0 – C57
2021-09-10 06:33:59 S 23 30 58.462 -06 53 28.28 – V C57
2021-09-10 06:33:59 s 1 -51900.177 0 +371044.47 9910.0 – C57
2021-09-10 06:43:59 S 23 30 59.129 -06 53 36.53 – V C57
2021-09-10 06:43:59 s 1 -52265.937 0 +370934.21 2130.0 – C57
2021-09-10 06:53:59 S 23 30 59.628 -06 53 43.33 – V C57
2021-09-10 06:53:59 s 1 -52631.551 0 +370822.93 3840.0 – C57
2021-09-10 07:03:59 S 23 31 00.276 -06 53 52.30 – V C57
2021-09-10 07:03:59 s 1 -52997.016 0 +370710.65 5050.0 – C57
2021-09-10 07:13:59 S 23 31 00.802 -06 53 59.21 – V C57
2021-09-10 07:13:59 s 1 -53362.333 0 +370597.35 5730.0 – C57
2021-09-10 07:23:59 S 23 31 01.440 -06 54 07.56 – V C57
2021-09-10 07:23:59 s 1 -53727.499 0 +370483.05 5900.0 – C57
2021-09-10 07:33:59 S 23 31 02.021 -06 54 13.82 – V C57
2021-09-10 07:33:59 s 1 -54092.514 0 +370367.73 5550.0 – C57
2021-09-10 07:43:59 S 23 31 02.585 -06 54 23.08 – V C57
2021-09-10 07:43:59 s 1 -54457.378 0 +370251.40 4670.0 – C57
2021-09-10 07:53:59 S 23 31 03.130 -06 54 29.84 – V C57
2021-09-10 07:53:59 s 1 -54822.088 0 +370134.06 3270.0 – C57
2021-09-10 08:03:59 S 23 31 03.818 -06 54 38.48 – V C57
2021-09-10 08:03:59 s 1 -55186.644 0 +370015.71 1330.0 – C57
2021-09-10 08:13:59 S 23 31 04.356 -06 54 44.96 – V C57
2021-09-10 08:13:59 s 1 -55551.044 0 +369896.34 8850.0 – C57
2021-09-10 08:23:59 S 23 31 04.944 -06 54 53.82 – V C57
2021-09-10 08:23:59 s 1 -55915.289 0 +369775.97 5840.0 – C57
2021-09-10 08:33:59 S 23 31 05.479 -06 55 00.59 – V C57
2021-09-10 08:33:59 s 1 -56279.376 0 +369654.58 2280.0 – C57
2021-09-10 08:43:59 S 23 31 06.149 -06 55 08.87 – V C57
2021-09-10 08:43:59 s 1 -56643.305 0 +369532.18 8180.0 – C57
2021-09-10 08:53:59 S 23 31 06.691 -06 55 16.00 – V C57
2021-09-10 08:53:59 s 1 -57007.074 0 +369408.77 3530.0 – C57
2021-09-10 09:03:59 S 23 31 07.272 -06 55 24.10 – V C57
2021-09-10 09:03:59 s 1 -57370.682 0 +369284.35 8330.0 – C57
2021-09-10 09:13:59 S 23 31 07.829 -06 55 31.08 – V C57
2021-09-10 09:13:59 s 1 -57734.129 0 +369158.91 2570.0 – C57
2021-09-10 09:23:59 S 23 31 08.489 -06 55 39.58 – V C57
2021-09-10 09:23:59 s 1 -58097.414 0 +369032.46 6250.0 – C57
2021-09-10 09:33:59 S 23 31 09.053 -06 55 46.49 – V C57
2021-09-10 09:33:59 s 1 -58460.535 0 +368905.00 9360.0 – C57
2021-09-10 09:43:59 S 23 31 09.619 -06 55 54.84 – V C57
2021-09-10 09:43:59 s 1 -58823.491 0 +368776.53 1910.0 – C57
2021-09-10 09:53:59 S 23 31 10.169 -06 56 01.86 – V C57
2021-09-10 09:53:59 s 1 -59186.281 0 +368647.04 3890.0 – C57
2021-09-10 10:03:59 S 23 31 10.836 -06 56 10.28 – V C57
2021-09-10 10:03:59 s 1 -59548.904 0 +368516.55 5300.0 – C57
2021-09-10 10:13:59 S 23 31 11.369 -06 56 16.98 – V C57
2021-09-10 10:13:59 s 1 -59911.360 0 +368385.03 6130.0 – 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)