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
2021-09-11 16:53:59 S 23 33 01.999 -07 19 06.31 – V C57
2021-09-11 16:53:59 s 1 -122522.91 6 +326682.99 5810.0 – C57
2021-09-11 17:03:59 S 23 33 02.652 -07 19 13.62 – V C57
2021-09-11 17:03:59 s 1 -122833.67 6 +326359.20 1910.0 – C57
2021-09-11 17:13:59 S 23 33 03.214 -07 19 20.28 – V C57
2021-09-11 17:13:59 s 1 -123144.02 8 +326034.34 6640.0 – C57
2021-09-11 17:23:59 S 23 33 03.854 -07 19 28.96 – V C57
2021-09-11 17:23:59 s 1 -123453.97 0 +325708.39 9990.0 – C57
2021-09-11 18:33:59 S 23 33 08.186 -07 20 17.70 – V C57
2021-09-11 18:33:59 s 1 -125611.94 0 +323396.48 4440.0 – C57
2021-09-11 18:43:59 S 23 33 08.813 -07 20 26.38 – V C57
2021-09-11 18:43:59 s 1 -125918.54 1 +323061.87 6580.0 – C57
2021-09-11 18:53:59 S 23 33 09.470 -07 20 31.96 – V C57
2021-09-11 18:53:59 s 1 -126224.71 7 +322726.18 7290.0 – C57
2021-09-11 19:03:59 S 23 33 10.039 -07 20 40.63 – V C57
2021-09-11 19:03:59 s 1 -126530.46 7 +322389.41 6570.0 – C57
2021-09-11 19:13:59 S 23 33 10.639 -07 20 46.50 – V C57
2021-09-11 19:13:59 s 1 -126835.78 8 +322051.55 4410.0 – C57
2021-09-11 19:23:59 S 23 33 11.340 -07 20 54.67 – V C57
2021-09-11 19:23:59 s 1 -127140.67 9 +321712.60 810.0 – C57
2021-09-11 19:33:59 S 23 33 11.892 -07 21 00.58 – V C57
2021-09-11 19:33:59 s 1 -127445.13 8 +321372.56 5760.0 – C57
2021-09-11 20:23:59 S 23 33 14.978 -07 21 37.51 – V C57
2021-09-11 20:23:59 s 1 -128960.89 3 +319656.06 8540.0 – C57
2021-09-11 20:33:59 S 23 33 15.648 -07 21 43.85 – V C57
2021-09-11 20:33:59 s 1 -129262.72 4 +319309.49 4670.0 – C57
2021-09-11 20:43:59 S 23 33 16.282 -07 21 51.77 – V C57
2021-09-11 20:43:59 s 1 -129564.11 1 +318961.82 9310.0 – C57
2021-09-11 20:53:59 S 23 33 16.843 -07 21 57.20 – V C57
2021-09-11 20:53:59 s 1 -129865.05 2 +318613.07 2450.0 – C57
2021-09-11 21:03:59 S 23 33 17.446 -07 22 06.35 – V C57
2021-09-11 21:03:59 s 1 -130165.54 6 +318263.22 4090.0 – C57
2021-09-11 21:13:59 S 23 33 18.122 -07 22 11.93 – V C57
2021-09-11 21:13:59 s 1 -130465.59 0 +317912.28 4230.0 – C57
2021-09-11 21:23:59 S 23 33 18.746 -07 22 20.57 – V C57
2021-09-11 21:23:59 s 1 -130765.18 3 +317560.24 2840.0 – C57
2021-09-11 21:33:59 S 23 33 19.296 -07 22 26.00 – V C57
2021-09-11 21:33:59 s 1 -131064.32 3 +317207.11 9940.0 – C57
2021-09-11 21:43:59 S 23 33 19.987 -07 22 34.50 – V C57
2021-09-11 21:43:59 s 1 -131363.00 9 +316852.88 5520.0 – C57
2021-09-11 21:53:59 S 23 33 20.568 -07 22 40.33 – V C57
2021-09-11 21:53:59 s 1 -131661.23 7 +316497.56 9560.0 – C57
2021-09-11 22:03:59 S 23 33 21.187 -07 22 48.58 – V C57
2021-09-11 22:03:59 s 1 -131959.00 8 +316141.14 2060.0 – C57
2021-09-11 22:13:59 S 23 33 21.766 -07 22 54.66 – V C57
2021-09-11 22:13:59 s 1 -132256.31 8 +315783.62 3020.0 – C57
2021-09-11 22:23:59 S 23 33 22.488 -07 23 03.23 – V C57
2021-09-11 22:23:59 s 1 -132553.16 6 +315425.01 2430.0 – C57
2021-09-11 22:33:59 S 23 33 23.069 -07 23 09.17 – V C57
2021-09-11 22:33:59 s 1 -132849.55 1 +315065.29 290.0 – 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)