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
2021-08-24 22:09:56 C 23 03 17.07 -00 34 33.3 – V 089
2021-08-24 22:13:14 C 23 03 17.39 -00 34 37.5 – V 089
2021-08-24 22:13:58 S 23 00 43.390 -00 30 57.67 – V C57
2021-08-24 22:13:58 s 1 +92321.748 0 +330766.53 2050.0 – C57
2021-08-24 22:16:32 C 23 03 17.73 -00 34 41.1 – V 089
2021-08-24 22:19:50 C 23 03 18.04 -00 34 44.7 – V 089
2021-08-24 22:23:08 C 23 03 18.36 -00 34 48.6 – V 089
2021-08-24 22:23:58 S 23 00 44.378 -00 31 10.42 – V C57
2021-08-24 22:23:58 s 1 +91982.186 0 +331089.48 7790.0 – C57
2021-08-24 22:26:26 C 23 03 18.70 -00 34 52.7 – V 089
2021-08-24 22:33:58 S 23 00 45.324 -00 31 22.62 – V C57
2021-08-24 22:33:58 s 1 +91642.294 0 +331411.27 2540.0 – C57
2021-08-24 22:43:58 S 23 00 46.258 -00 31 34.82 – V C57
2021-08-24 22:43:58 s 1 +91302.073 0 +331731.88 6290.0 – C57
2021-08-24 22:53:58 S 23 00 47.314 -00 31 47.78 – V C57
2021-08-24 22:53:58 s 1 +90961.526 0 +332051.33 9060.0 – C57
2021-08-24 23:03:58 S 23 00 48.216 -00 31 59.48 – V C57
2021-08-24 23:03:58 s 1 +90620.653 0 +332369.61 850.0 – C57
2021-08-24 23:13:58 S 23 00 49.243 -00 32 12.23 – V C57
2021-08-24 23:13:58 s 1 +90279.457 0 +332686.72 1660.0 – C57
2021-08-24 23:23:58 S 23 00 50.184 -00 32 24.43 – V C57
2021-08-24 23:23:58 s 1 +89937.939 0 +333002.66 1500.0 – C57
2021-08-24 23:33:58 S 23 00 51.144 -00 32 37.43 – V C57
2021-08-24 23:33:58 s 1 +89596.102 0 +333317.45 370.0 – C57
2021-08-24 23:43:58 S 23 00 52.164 -00 32 49.13 – V C57
2021-08-24 23:43:58 s 1 +89253.946 0 +333631.06 8290.0 – C57
2021-08-24 23:53:58 S 23 00 53.088 -00 33 01.44 – V C57
2021-08-24 23:53:58 s 1 +88911.474 0 +333943.52 5260.0 – C57
2021-08-25 00:03:58 S 23 00 54.089 -00 33 14.04 – V C57
2021-08-25 00:03:58 s 1 +88568.688 0 +334254.81 1280.0 – C57
2021-08-25 01:43:58 S 23 01 03.826 -00 35 17.84 – V C57
2021-08-25 01:43:58 s 1 +85123.892 0 +337304.06 600.0 – C57
2021-08-25 02:13:58 S 23 01 06.742 -00 35 55.61 – V C57
2021-08-25 02:13:58 s 1 +84084.603 0 +338196.34 5850.0 – C57
2021-08-25 02:23:58 S 23 01 07.726 -00 36 07.78 – V C57
2021-08-25 02:23:58 s 1 +83737.589 0 +338491.46 9190.0 – C57
2021-08-25 02:33:58 S 23 01 08.710 -00 36 19.87 – V C57
2021-08-25 02:33:58 s 1 +83390.285 0 +338785.44 1660.0 – C57
2021-08-25 02:43:58 S 23 01 09.617 -00 36 32.40 – V C57
2021-08-25 02:43:58 s 1 +83042.693 0 +339078.28 3270.0 – C57
2021-08-25 02:53:58 S 23 01 10.702 -00 36 45.00 – V C57
2021-08-25 02:53:58 s 1 +82694.815 0 +339369.96 4030.0 – C57
2021-08-25 03:03:58 S 23 01 11.630 -00 36 57.28 – V C57
2021-08-25 03:03:58 s 1 +82346.652 0 +339660.50 3930.0 – C57
2021-08-25 03:13:58 S 23 01 12.636 -00 37 09.84 – V C57
2021-08-25 03:13:58 s 1 +81998.207 0 +339949.90 3000.0 – C57
2021-08-25 03:23:58 S 23 01 13.572 -00 37 21.50 – V C57
2021-08-25 03:23:58 s 1 +81649.479 0 +340238.15 1220.0 – C57
2021-08-25 03:33:58 S 23 01 14.530 -00 37 34.36 – V C57
2021-08-25 03:33:58 s 1 +81300.472 0 +340525.26 8610.0 – 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)