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
2021-09-12 16:13:59 S 23 34 29.930 -07 35 28.07 – V C57
2021-09-12 16:13:59 s 1 -161220.92 4 +270554.98 7880.0 – C57
2021-09-12 16:23:59 S 23 34 30.533 -07 35 36.06 – V C57
2021-09-12 16:23:59 s 1 -161455.47 1 +270073.32 8600.0 – C57
2021-09-12 16:33:59 S 23 34 31.190 -07 35 41.75 – V C57
2021-09-12 16:33:59 s 1 -161689.30 8 +269590.48 6940.0 – C57
2021-09-12 16:43:59 S 23 34 31.858 -07 35 49.74 – V C57
2021-09-12 16:43:59 s 1 -161922.43 1 +269106.44 2900.0 – C57
2021-09-12 16:53:59 S 23 34 32.400 -07 35 54.96 – V C57
2021-09-12 16:53:59 s 1 -162154.83 8 +268621.22 6460.0 – C57
2021-09-12 17:03:59 S 23 34 33.098 -07 36 03.02 – V C57
2021-09-12 17:03:59 s 1 -162386.52 5 +268134.81 7610.0 – C57
2021-09-12 17:13:59 S 23 34 33.782 -07 36 08.64 – V C57
2021-09-12 17:13:59 s 1 -162617.49 1 +267647.21 6350.0 – C57
2021-09-12 17:23:59 S 23 34 34.373 -07 36 16.20 – V C57
2021-09-12 17:23:59 s 1 -162847.73 1 +267158.42 2660.0 – C57
2021-09-12 17:33:59 S 23 34 35.006 -07 36 22.72 – V C57
2021-09-12 17:33:59 s 1 -163077.24 3 +266668.44 6530.0 – C57
2021-09-12 17:43:59 S 23 34 35.714 -07 36 30.71 – V C57
2021-09-12 17:43:59 s 1 -163306.02 4 +266177.26 7960.0 – C57
2021-09-12 17:53:59 S 23 34 36.329 -07 36 35.96 – V C57
2021-09-12 17:53:59 s 1 -163534.07 2 +265684.89 6930.0 – C57
2021-09-12 18:03:59 S 23 34 36.934 -07 36 44.60 – V C57
2021-09-12 18:03:59 s 1 -163761.38 2 +265191.33 3440.0 – C57
2021-09-12 18:13:59 S 23 34 37.579 -07 36 49.68 – V C57
2021-09-12 18:13:59 s 1 -163987.95 2 +264696.57 7470.0 – C57
2021-09-12 18:23:59 S 23 34 38.256 -07 36 56.95 – V C57
2021-09-12 18:23:59 s 1 -164213.78 0 +264200.62 9010.0 – C57
2021-09-12 18:33:59 S 23 34 38.844 -07 37 03.22 – V C57
2021-09-12 18:33:59 s 1 -164438.86 1 +263703.46 8060.0 – C57
2021-09-12 18:43:59 S 23 34 39.521 -07 37 10.88 – V C57
2021-09-12 18:43:59 s 1 -164663.19 4 +263205.11 4610.0 – C57
2021-09-12 18:53:59 S 23 34 40.214 -07 37 17.29 – V C57
2021-09-12 18:53:59 s 1 -164886.77 4 +262705.56 8630.0 – C57
2021-09-12 19:03:59 S 23 34 40.800 -07 37 24.78 – V C57
2021-09-12 19:03:59 s 1 -165109.59 9 +262204.81 130.0 – C57
2021-09-12 19:13:59 S 23 34 41.443 -07 37 31.01 – V C57
2021-09-12 19:13:59 s 1 -165331.66 6 +261702.85 9090.0 – C57
2021-09-12 19:23:59 S 23 34 42.139 -07 37 38.28 – V C57
2021-09-12 19:23:59 s 1 -165552.97 2 +261199.70 5510.0 – C57
2021-09-12 19:33:59 S 23 34 42.732 -07 37 44.29 – V C57
2021-09-12 19:33:59 s 1 -165773.51 3 +260695.34 9370.0 – C57
2021-09-12 19:43:59 S 23 34 43.363 -07 37 51.67 – V C57
2021-09-12 19:43:59 s 1 -165993.28 7 +260189.77 660.0 – C57
2021-09-12 19:53:59 S 23 34 44.081 -07 37 58.04 – V C57
2021-09-12 19:53:59 s 1 -166212.29 0 +259683.00 9370.0 – C57
2021-09-12 20:03:59 S 23 34 44.690 -07 38 04.92 – V C57
2021-09-12 20:03:59 s 1 -166430.51 9 +259175.03 5490.0 – C57
2021-09-12 20:13:59 S 23 34 45.307 -07 38 11.36 – V C57
2021-09-12 20:13:59 s 1 -166647.97 1 +258665.84 9020.0 – 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)