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
2021-08-30 20:33:58 s 1 -187851.55 9 +221997.62 9890.0 C57
2021-08-30 20:43:58 S 23 15 23.693 -03 16 11.35 V C57
2021-08-30 20:43:58 s 1 -188003.35 5 +221410.71 8740.0 C57
2021-08-30 20:53:58 S 23 15 24.751 -03 16 21.25 V C57
2021-08-30 20:53:58 s 1 -188154.11 8 +220822.58 4190.0 C57
2021-08-30 21:03:58 S 23 15 25.781 -03 16 32.77 V C57
2021-08-30 21:03:58 s 1 -188303.84 5 +220233.24 6230.0 C57
2021-08-30 21:13:58 S 23 15 26.930 -03 16 43.36 V C57
2021-08-30 21:13:58 s 1 -188452.53 1 +219642.68 4850.0 C57
2021-08-30 21:23:58 S 23 15 27.934 -03 16 52.64 V C57
2021-08-30 21:23:58 s 1 -188600.17 2 +219050.90 40.0 C57
2021-08-30 21:33:58 S 23 15 29.047 -03 17 02.58 V C57
2021-08-30 21:33:58 s 1 -188746.76 4 +218457.90 1770.0 C57
2021-08-30 21:43:58 S 23 15 30.070 -03 17 13.96 V C57
2021-08-30 21:43:58 s 1 -188892.30 2 +217863.68 30.0 C57
2021-08-30 21:53:58 S 23 15 31.135 -03 17 24.72 V C57
2021-08-30 21:53:58 s 1 -189036.78 2 +217268.25 4820.0 C57
2021-08-30 22:03:58 S 23 15 32.198 -03 17 35.70 V C57
2021-08-30 22:03:58 s 1 -189180.19 9 +216671.59 6100.0 C57
2021-08-30 22:13:58 S 23 15 33.314 -03 17 46.00 V C57
2021-08-30 22:13:58 s 1 -189322.54 9 +216073.71 3890.0 C57
2021-08-30 22:23:58 S 23 15 34.339 -03 17 56.51 V C57
2021-08-30 22:23:58 s 1 -189463.82 7 +215474.61 8140.0 C57
2021-08-30 22:33:58 S 23 15 35.386 -03 18 06.08 V C57
2021-08-30 22:33:58 s 1 -189604.02 9 +214874.28 8860.0 C57
2021-08-30 22:43:58 S 23 15 36.480 -03 18 17.14 V C57
2021-08-30 22:43:58 s 1 -189743.15 0 +214272.73 6020.0 C57
2021-08-30 22:53:58 S 23 15 37.560 -03 18 26.82 V C57
2021-08-30 22:53:58 s 1 -189881.18 6 +213669.95 9620.0 C57
2021-08-30 23:03:58 S 23 15 38.669 -03 18 37.80 V C57
2021-08-30 23:03:58 s 1 -190018.13 3 +213065.95 9630.0 C57
2021-08-30 23:13:58 S 23 15 39.785 -03 18 48.92 V C57
2021-08-30 23:13:58 s 1 -190153.98 4 +212460.73 6050.0 C57
2021-08-30 23:23:58 S 23 15 40.872 -03 18 59.08 V C57
2021-08-30 23:23:58 s 1 -190288.73 6 +211854.27 8850.0 C57
2021-08-30 23:33:58 S 23 15 41.904 -03 19 09.41 V C57
2021-08-30 23:33:58 s 1 -190422.38 5 +211246.59 8020.0 C57
2021-08-30 23:43:58 S 23 15 42.962 -03 19 19.24 V C57
2021-08-30 23:43:58 s 1 -190554.92 5 +210637.67 3550.0 C57
2021-08-30 23:53:58 S 23 15 43.968 -03 19 30.58 V C57
2021-08-30 23:53:58 s 1 -190686.35 2 +210027.53 5430.0 C57
2021-08-31 00:03:58 S 23 15 45.122 -03 19 40.33 V C57
2021-08-31 00:03:58 s 1 -190816.66 0 +209416.16 3620.0 C57
2021-08-31 00:13:58 S 23 15 46.094 -03 19 52.50 V C57
2021-08-31 00:13:58 s 1 -190945.84 6 +208803.55 8130.0 C57
2021-08-31 00:23:58 S 23 15 47.285 -03 20 01.39 V C57
2021-08-31 00:23:58 s 1 -191073.90 4 +208189.71 8930.0 C57
2021-08-31 00:33:58 S 23 15 48.295 -03 20 11.65 V C57
2021-08-31 00:33:58 s 1 -191200.83 0 +207574.64 6010.0 C57
2021-08-31 00:43:58 S 23 15 49.375 -03 20 20.26 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)