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
2021-09-13 20:13:59 S 23 36 20.062 -07 53 52.30 – V C57
2021-09-13 20:13:59 s 1 -187863.40 7 +172194.07 4590.0 – C57
2021-09-13 20:23:59 S 23 36 20.760 -07 53 59.06 – V C57
2021-09-13 20:23:59 s 1 -187923.55 7 +171498.45 2560.0 – C57
2021-09-13 20:33:59 S 23 36 21.487 -07 54 05.62 – V C57
2021-09-13 20:33:59 s 1 -187982.21 2 +170801.47 5540.0 – C57
2021-09-13 20:43:59 S 23 36 22.150 -07 54 11.56 – V C57
2021-09-13 20:43:59 s 1 -188039.36 5 +170103.12 3510.0 – C57
2021-09-13 20:53:59 S 23 36 22.774 -07 54 18.07 – V C57
2021-09-13 20:53:59 s 1 -188095.00 8 +169403.41 6440.0 – C57
2021-09-13 21:03:59 S 23 36 23.450 -07 54 23.76 – V C57
2021-09-13 21:03:59 s 1 -188149.13 2 +168702.34 4310.0 – C57
2021-09-13 21:12:33 C 23 37 12.33 -07 52 10.2 – Y 557
2021-09-13 21:13:59 S 23 36 24.127 -07 54 30.60 – V C57
2021-09-13 21:13:59 s 1 -188201.73 2 +167999.90 7090.0 – C57
2021-09-13 21:23:59 S 23 36 24.761 -07 54 36.47 – V C57
2021-09-13 21:23:59 s 1 -188252.79 8 +167296.10 4750.0 – C57
2021-09-13 21:33:59 S 23 36 25.522 -07 54 43.06 – V C57
2021-09-13 21:33:59 s 1 -188302.32 4 +166590.93 7270.0 – C57
2021-09-13 21:43:59 S 23 36 26.122 -07 54 48.85 – V C57
2021-09-13 21:43:59 s 1 -188350.30 1 +165884.39 4620.0 – C57
2021-09-13 21:53:59 S 23 36 26.808 -07 54 56.02 – V C57
2021-09-13 21:53:59 s 1 -188396.72 2 +165176.49 6780.0 – C57
2021-09-13 22:03:59 S 23 36 27.521 -07 55 01.06 – V C57
2021-09-13 22:03:59 s 1 -188441.57 8 +164467.21 3720.0 – C57
2021-09-13 22:11:17 C 23 37 14.62 -07 52 47.1 – Y 557
2021-09-13 22:13:59 S 23 36 28.181 -07 55 07.97 – V C57
2021-09-13 22:13:59 s 1 -188484.86 2 +163756.57 5420.0 – C57
2021-09-13 22:23:59 S 23 36 28.831 -07 55 13.84 – V C57
2021-09-13 22:23:59 s 1 -188526.56 5 +163044.56 1840.0 – C57
2021-09-13 22:33:59 S 23 36 29.573 -07 55 20.86 – V C57
2021-09-13 22:33:59 s 1 -188566.68 0 +162331.17 2970.0 – C57
2021-09-13 22:43:59 S 23 36 30.170 -07 55 26.36 – V C57
2021-09-13 22:43:59 s 1 -188605.19 8 +161616.42 8760.0 – C57
2021-09-13 22:53:59 S 23 36 30.902 -07 55 34.03 – V C57
2021-09-13 22:53:59 s 1 -188642.11 2 +160900.29 9200.0 – C57
2021-09-13 23:03:59 S 23 36 31.601 -07 55 38.50 – V C57
2021-09-13 23:03:59 s 1 -188677.41 2 +160182.79 4270.0 – C57
2021-09-13 23:06:57 C 23 37 16.76 -07 53 21.8 – Y 557
2021-09-13 23:13:59 S 23 36 32.206 -07 55 45.55 – V C57
2021-09-13 23:13:59 s 1 -188711.09 0 +159463.91 3920.0 – C57
2021-09-13 23:23:59 S 23 36 32.875 -07 55 51.49 – V C57
2021-09-13 23:23:59 s 1 -188743.13 9 +158743.66 8130.0 – C57
2021-09-13 23:33:59 S 23 36 33.660 -07 55 58.66 – V C57
2021-09-13 23:33:59 s 1 -188773.55 0 +158022.04 6880.0 – C57
2021-09-13 23:43:59 S 23 36 34.272 -07 56 03.73 – V C57
2021-09-13 23:43:59 s 1 -188802.31 3 +157299.04 140.0 – C57
2021-09-13 23:53:59 S 23 36 34.932 -07 56 11.22 – V C57
2021-09-13 23:53:59 s 1 -188829.42 1 +156574.66 7870.0 – C57
2021-09-14 00:03:59 S 23 36 35.676 -07 56 16.98 – 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)