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
2021-08-26 14:13:58 S 23 04 42.026 -01 19 56.71 – V C57
2021-08-26 14:23:58 S 23 04 42.943 -01 20 08.02 – V C57
2021-08-26 14:33:58 S 23 04 44.047 -01 20 20.36 – V C57
2021-08-26 14:43:58 S 23 04 45.010 -01 20 32.42 – V C57
2021-08-26 14:53:58 S 23 04 45.996 -01 20 43.76 – V C57
2021-08-26 15:03:58 S 23 04 47.076 -01 20 56.15 – V C57
2021-08-26 15:13:58 S 23 04 48.024 -01 21 08.71 – V C57
2021-08-26 15:23:58 S 23 04 49.104 -01 21 19.98 – V C57
2021-08-26 15:33:58 S 23 04 50.107 -01 21 32.08 – V C57
2021-08-26 16:16:35 C 23 07 35.038 -01 22 08.15 – V P07
2021-08-26 16:23:58 S 23 04 55.126 -01 22 33.28 – V C57
2021-08-26 16:33:58 S 23 04 56.210 -01 22 43.10 – V C57
2021-08-26 16:43:58 S 23 04 57.170 -01 22 55.67 – V C57
2021-08-26 16:53:58 S 23 04 58.186 -01 23 07.15 – V C57
2021-08-26 17:03:58 S 23 04 59.234 -01 23 20.44 – V C57
2021-08-26 17:13:58 S 23 05 00.302 -01 23 31.78 – V C57
2021-08-26 17:20:41 C 23 07 40.610 -01 23 20.54 – V P07
2021-08-26 17:23:58 S 23 05 01.236 -01 23 44.70 – V C57
2021-08-26 17:33:58 S 23 05 02.280 -01 23 57.08 – V C57
2021-08-26 17:43:58 S 23 05 03.252 -01 24 08.10 – V C57
2021-08-26 17:53:58 S 23 05 04.267 -01 24 20.81 – V C57
2021-08-26 18:03:52 C 23 07 44.371 -01 24 09.65 – V P07
2021-08-26 18:03:58 S 23 05 05.316 -01 24 33.08 – V C57
2021-08-26 18:05:34 C 23 07 44.522 -01 24 11.27 – V P07
2021-08-26 18:13:58 S 23 05 06.317 -01 24 44.64 – V C57
2021-08-26 18:23:58 S 23 05 07.337 -01 24 56.09 – V C57
2021-08-26 18:33:58 S 23 05 08.326 -01 25 08.33 – V C57
2021-08-26 18:43:58 S 23 05 09.461 -01 25 20.14 – V C57
2021-08-26 18:53:58 S 23 05 10.358 -01 25 32.77 – V C57
2021-08-26 18:56:10 C 23 07 48.955 -01 25 08.33 – V P07
2021-08-26 18:56:19 C 23 07 48.972 -01 25 08.40 – V P07
2021-08-26 19:03:58 S 23 05 11.465 -01 25 43.75 – V C57
2021-08-26 19:13:58 S 23 05 12.427 -01 25 55.88 – V C57
2021-08-26 19:23:58 S 23 05 13.464 -01 26 08.88 – V C57
2021-08-26 19:33:58 S 23 05 14.429 -01 26 19.68 – V C57
2021-08-26 19:43:58 S 23 05 15.492 -01 26 31.52 – V C57
2021-08-26 19:48:47 C 23 07 53.590 -01 26 07.73 – V P07
2021-08-26 19:52:38 C 23 07 53.950 -01 26 11.90 – V P07
2021-08-26 19:53:58 S 23 05 16.577 -01 26 44.23 – V C57
2021-08-26 20:03:58 S 23 05 17.491 -01 26 56.22 – V C57
2021-08-26 20:13:58 S 23 05 18.502 -01 27 08.86 – V C57
2021-08-26 20:23:58 S 23 05 19.507 -01 27 19.55 – V C57
2021-08-26 20:33:58 S 23 05 20.580 -01 27 32.76 – V C57
2021-08-26 20:43:58 S 23 05 21.542 -01 27 44.35 – V C57
2021-08-26 20:43:58 s 1 -10024.797 0 +378187.99 3220.0 – C57
2021-08-26 20:53:58 S 23 05 22.675 -01 27 56.45 – V C57
2021-08-26 20:53:58 s 1 -10403.075 0 +378211.10 2360.0 – C57
2021-08-26 21:03:58 S 23 05 23.578 -01 28 08.33 – V C57
2021-08-26 21:03:58 s 1 -10781.334 0 +378233.20 1360.0 – C57
2021-08-26 21:13:58 S 23 05 24.648 -01 28 19.67 – 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)