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 07:33:59 s 1 -104516.90 3 +343109.91 5820.0 – C57
2021-09-11 07:43:59 S 23 32 28.382 -07 12 26.75 – V C57
2021-09-11 07:43:59 s 1 -104848.06 6 +342845.69 530.0 – C57
2021-09-11 07:53:59 S 23 32 29.035 -07 12 32.83 – V C57
2021-09-11 07:53:59 s 1 -105178.90 5 +342580.43 4150.0 – C57
2021-09-11 08:03:59 S 23 32 29.640 -07 12 41.65 – V C57
2021-09-11 08:03:59 s 1 -105509.41 8 +342314.11 6680.0 – C57
2021-09-11 08:13:59 S 23 32 30.202 -07 12 47.09 – V C57
2021-09-11 08:13:59 s 1 -105839.60 5 +342046.75 8100.0 – C57
2021-09-11 08:23:59 S 23 32 30.826 -07 12 56.34 – V C57
2021-09-11 08:23:59 s 1 -106169.46 3 +341778.33 8420.0 – C57
2021-09-11 08:33:59 S 23 32 31.442 -07 13 02.32 – V C57
2021-09-11 08:33:59 s 1 -106498.99 1 +341508.86 7630.0 – C57
2021-09-11 08:43:59 S 23 32 32.069 -07 13 10.24 – V C57
2021-09-11 08:43:59 s 1 -106828.18 8 +341238.33 5720.0 – C57
2021-09-11 08:53:59 S 23 32 32.616 -07 13 17.18 – V C57
2021-09-11 08:53:59 s 1 -107157.05 3 +340966.76 2690.0 – C57
2021-09-11 09:03:59 S 23 32 33.281 -07 13 25.46 – V C57
2021-09-11 09:03:59 s 1 -107485.58 4 +340694.13 8540.0 – C57
2021-09-11 09:13:59 S 23 32 33.886 -07 13 31.73 – V C57
2021-09-11 09:13:59 s 1 -107813.78 0 +340420.44 3260.0 – C57
2021-09-11 09:23:59 S 23 32 34.469 -07 13 39.83 – V C57
2021-09-11 09:23:59 s 1 -108141.63 9 +340145.70 6850.0 – C57
2021-09-11 09:33:59 S 23 32 35.035 -07 13 46.67 – V C57
2021-09-11 09:33:59 s 1 -108469.15 9 +339869.91 9290.0 – C57
2021-09-11 09:43:59 S 23 32 35.738 -07 13 54.55 – V C57
2021-09-11 09:43:59 s 1 -108796.34 0 +339593.06 600.0 – C57
2021-09-11 09:53:59 S 23 32 36.331 -07 14 00.49 – V C57
2021-09-11 09:53:59 s 1 -109123.18 0 +339315.15 750.0 – C57
2021-09-11 10:03:59 S 23 32 36.902 -07 14 09.42 – V C57
2021-09-11 10:03:59 s 1 -109449.67 8 +339036.19 9760.0 – C57
2021-09-11 10:13:59 S 23 32 37.538 -07 14 16.01 – V C57
2021-09-11 10:13:59 s 1 -109775.83 2 +338756.17 7610.0 – C57
2021-09-11 10:23:59 S 23 32 38.170 -07 14 23.96 – V C57
2021-09-11 10:23:59 s 1 -110101.64 0 +338475.09 4290.0 – C57
2021-09-11 10:33:59 S 23 32 38.734 -07 14 29.98 – V C57
2021-09-11 10:33:59 s 1 -110427.10 2 +338192.96 9810.0 – C57
2021-09-11 10:43:59 S 23 32 39.341 -07 14 38.65 – V C57
2021-09-11 10:43:59 s 1 -110752.21 5 +337909.76 4150.0 – C57
2021-09-11 10:53:59 S 23 32 39.977 -07 14 44.92 – V C57
2021-09-11 10:53:59 s 1 -111076.97 8 +337625.51 7320.0 – C57
2021-09-11 11:03:59 S 23 32 40.615 -07 14 53.23 – V C57
2021-09-11 11:03:59 s 1 -111401.39 1 +337340.20 9310.0 – C57
2021-09-11 11:13:59 S 23 32 41.165 -07 14 59.21 – V C57
2021-09-11 11:13:59 s 1 -111725.45 0 +337053.83 110.0 – C57
2021-09-11 11:23:59 S 23 32 41.779 -07 15 07.88 – V C57
2021-09-11 11:23:59 s 1 -112049.15 6 +336766.40 9720.0 – C57
2021-09-11 11:33:59 S 23 32 42.391 -07 15 13.90 – V C57
2021-09-11 11:33:59 s 1 -112372.50 6 +336477.90 8130.0 – C57
2021-09-11 11:43:59 S 23 32 43.054 -07 15 22.32 – 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)