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 11:53:59 S 23 35 46.740 -07 48 32.22 – V C57
2021-09-13 11:53:59 s 1 -183101.87 1 +205259.88 650.0 – C57
2021-09-13 12:33:59 S 23 35 49.411 -07 48 57.49 – V C57
2021-09-13 12:33:59 s 1 -183600.18 7 +202736.93 2970.0 – C57
2021-09-13 12:43:59 S 23 35 50.038 -07 49 05.88 – V C57
2021-09-13 12:43:59 s 1 -183721.79 7 +202102.91 6130.0 – C57
2021-09-13 12:53:59 S 23 35 50.698 -07 49 11.57 – V C57
2021-09-13 12:53:59 s 1 -183842.20 9 +201467.58 5290.0 – C57
2021-09-13 13:03:59 S 23 35 51.377 -07 49 18.98 – V C57
2021-09-13 13:03:59 s 1 -183961.41 7 +200830.92 430.0 – C57
2021-09-13 13:13:59 S 23 35 52.003 -07 49 24.46 – V C57
2021-09-13 13:13:59 s 1 -184079.41 6 +200192.95 1530.0 – C57
2021-09-13 13:23:59 S 23 35 52.716 -07 49 31.33 – V C57
2021-09-13 13:23:59 s 1 -184196.19 9 +199553.66 8570.0 – C57
2021-09-13 13:33:59 S 23 35 53.347 -07 49 37.67 – V C57
2021-09-13 13:33:59 s 1 -184311.76 2 +198913.05 1540.0 – C57
2021-09-13 13:43:59 S 23 35 53.983 -07 49 43.86 – V C57
2021-09-13 13:43:59 s 1 -184426.09 7 +198271.12 400.0 – C57
2021-09-13 13:53:59 S 23 35 54.725 -07 49 51.10 – V C57
2021-09-13 13:53:59 s 1 -184539.20 1 +197627.86 5150.0 – C57
2021-09-13 14:03:59 S 23 35 55.351 -07 49 57.32 – V C57
2021-09-13 14:03:59 s 1 -184651.06 6 +196983.28 5770.0 – C57
2021-09-13 14:13:59 S 23 35 56.006 -07 50 03.62 – V C57
2021-09-13 14:13:59 s 1 -184761.68 8 +196337.38 2230.0 – C57
2021-09-13 14:23:59 S 23 35 56.681 -07 50 09.10 – V C57
2021-09-13 14:23:59 s 1 -184871.06 0 +195690.15 4520.0 – C57
2021-09-13 14:31:55 C 23 36 54.732 -07 47 24.29 – V P07
2021-09-13 14:33:59 S 23 35 57.360 -07 50 15.94 – V C57
2021-09-13 14:33:59 s 1 -184979.17 6 +195041.60 2620.0 – C57
2021-09-13 14:43:59 S 23 35 57.998 -07 50 21.95 – V C57
2021-09-13 14:43:59 s 1 -185086.03 1 +194391.72 6500.0 – C57
2021-09-13 14:53:59 S 23 35 58.687 -07 50 29.26 – V C57
2021-09-13 14:53:59 s 1 -185191.61 8 +193740.50 6150.0 – C57
2021-09-13 15:03:59 S 23 35 59.407 -07 50 34.51 – V C57
2021-09-13 15:03:59 s 1 -185295.93 1 +193087.96 1550.0 – C57
2021-09-13 15:13:59 S 23 35 59.990 -07 50 42.58 – V C57
2021-09-13 15:13:59 s 1 -185398.96 6 +192434.09 2680.0 – C57
2021-09-13 15:23:59 S 23 36 00.631 -07 50 48.41 – V C57
2021-09-13 15:23:59 s 1 -185500.71 4 +191778.89 9510.0 – C57
2021-09-13 15:33:59 S 23 36 01.318 -07 50 56.00 – V C57
2021-09-13 15:33:59 s 1 -185601.17 1 +191122.35 2030.0 – C57
2021-09-13 15:43:59 S 23 36 01.939 -07 51 00.25 – V C57
2021-09-13 15:43:59 s 1 -185700.33 0 +190464.48 210.0 – C57
2021-09-13 15:53:59 S 23 36 02.647 -07 51 08.42 – V C57
2021-09-13 15:53:59 s 1 -185798.18 5 +189805.27 4040.0 – C57
2021-09-13 15:58:46 C 23 36 57.955 -07 48 19.91 – V P07
2021-09-13 16:03:59 S 23 36 03.370 -07 51 13.68 – V C57
2021-09-13 16:03:59 s 1 -185894.72 9 +189144.73 3500.0 – C57
2021-09-13 16:13:59 S 23 36 03.943 -07 51 20.63 – V C57
2021-09-13 16:13:59 s 1 -185989.95 7 +188482.85 8560.0 – 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)