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
2021-09-04 10:21:15 C 23 24 47.37 -04 57 51.8 – V T05
2021-09-04 10:23:58 S 23 24 11.904 -04 53 46.03 – V C57
2021-09-04 10:23:58 s 1 +169005.96 6 +67516.576 9130.0 – C57
2021-09-04 10:29:11 C 23 24 47.82 -04 57 59.1 – V T05
2021-09-04 10:33:58 S 23 24 12.190 -04 53 55.43 – V C57
2021-09-04 10:33:58 s 1 +169209.03 7 +68447.881 8200.0 – C57
2021-09-04 10:36:28 C 23 24 48.24 -04 58 05.7 – V T05
2021-09-04 10:43:58 S 23 24 12.535 -04 54 03.71 – V C57
2021-09-04 10:43:58 s 1 +169408.60 0 +69377.758 5980.0 – C57
2021-09-04 10:53:58 S 23 24 12.814 -04 54 12.96 – V C57
2021-09-04 10:53:58 s 1 +169604.68 2 +70306.199 2530.0 – C57
2021-09-04 11:03:58 S 23 24 13.138 -04 54 21.82 – V C57
2021-09-04 11:03:58 s 1 +169797.30 7 +71233.196 7940.0 – C57
2021-09-04 11:13:58 S 23 24 13.454 -04 54 30.56 – V C57
2021-09-04 11:13:58 s 1 +169986.49 8 +72158.744 2290.0 – C57
2021-09-04 11:23:58 S 23 24 13.766 -04 54 39.82 – V C57
2021-09-04 11:23:58 s 1 +170172.28 2 +73082.835 5670.0 – C57
2021-09-04 11:33:58 S 23 24 14.086 -04 54 47.88 – V C57
2021-09-04 11:33:58 s 1 +170354.68 2 +74005.462 8140.0 – C57
2021-09-04 11:43:58 S 23 24 14.376 -04 54 57.42 – V C57
2021-09-04 11:43:58 s 1 +170533.72 1 +74926.619 9790.0 – C57
2021-09-04 11:53:58 S 23 24 14.683 -04 55 06.35 – V C57
2021-09-04 11:53:58 s 1 +170709.42 4 +75846.300 690.0 – C57
2021-09-04 12:03:58 S 23 24 15.026 -04 55 15.20 – V C57
2021-09-04 12:03:58 s 1 +170881.81 5 +76764.500 930.0 – C57
2021-09-04 12:13:58 S 23 24 15.302 -04 55 23.70 – V C57
2021-09-04 12:13:58 s 1 +171050.91 6 +77681.211 570.0 – C57
2021-09-04 12:23:58 S 23 24 15.674 -04 55 32.30 – V C57
2021-09-04 12:23:58 s 1 +171216.75 1 +78596.428 9690.0 – C57
2021-09-04 12:33:58 S 23 24 16.013 -04 55 41.12 – V C57
2021-09-04 12:33:58 s 1 +171379.34 3 +79510.146 8370.0 – C57
2021-09-04 12:43:58 S 23 24 16.351 -04 55 50.38 – V C57
2021-09-04 12:43:58 s 1 +171538.71 4 +80422.360 6690.0 – C57
2021-09-04 12:53:58 S 23 24 16.673 -04 55 58.80 – V C57
2021-09-04 12:53:58 s 1 +171694.88 7 +81333.063 4700.0 – C57
2021-09-04 13:03:58 S 23 24 17.006 -04 56 07.73 – V C57
2021-09-04 13:03:58 s 1 +171847.88 5 +82242.252 2500.0 – C57
2021-09-04 13:13:58 S 23 24 17.328 -04 56 16.04 – V C57
2021-09-04 13:13:58 s 1 +171997.72 9 +83149.921 140.0 – C57
2021-09-04 13:23:58 S 23 24 17.671 -04 56 25.58 – V C57
2021-09-04 13:23:58 s 1 +172144.44 1 +84056.066 7710.0 – C57
2021-09-04 13:33:58 S 23 24 17.993 -04 56 33.54 – V C57
2021-09-04 13:33:58 s 1 +172288.04 4 +84960.681 5270.0 – C57
2021-09-04 13:43:58 S 23 24 18.281 -04 56 43.12 – V C57
2021-09-04 13:43:58 s 1 +172428.55 9 +85863.763 2890.0 – C57
2021-09-04 13:53:58 S 23 24 18.636 -04 56 51.61 – V C57
2021-09-04 13:53:58 s 1 +172566.00 7 +86765.307 640.0 – C57
2021-09-04 14:03:58 S 23 24 18.936 -04 57 01.01 – V C57
2021-09-04 14:03:58 s 1 +172700.41 0 +87665.308 8590.0 – C57
2021-09-04 14:13:58 S 23 24 19.248 -04 57 09.43 – 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)