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
2021-09-04 23:03:58 s 1 +175957.34 3 +133902.37 1640.0 – C57
2021-09-04 23:13:58 S 23 24 37.848 -05 05 12.37 – V C57
2021-09-04 23:13:58 s 1 +175952.13 4 +134714.13 1250.0 – C57
2021-09-04 23:23:58 S 23 24 38.210 -05 05 21.59 – V C57
2021-09-04 23:23:58 s 1 +175944.81 8 +135524.26 4100.0 – C57
2021-09-04 23:33:58 S 23 24 38.587 -05 05 30.41 – V C57
2021-09-04 23:33:58 s 1 +175935.40 9 +136332.77 240.0 – C57
2021-09-04 23:43:58 S 23 24 38.947 -05 05 39.44 – V C57
2021-09-04 23:43:58 s 1 +175923.91 9 +137139.65 9720.0 – C57
2021-09-04 23:53:58 S 23 24 39.338 -05 05 48.26 – V C57
2021-09-04 23:53:58 s 1 +175910.36 1 +137944.90 2570.0 – C57
2021-09-04 23:57:40 C 23 25 40.86 -05 10 20.0 – Y 557
2021-09-05 00:03:58 S 23 24 39.718 -05 05 57.01 – V C57
2021-09-05 00:03:58 s 1 +175894.74 8 +138748.53 8830.0 – C57
2021-09-05 00:13:58 S 23 24 40.102 -05 06 05.69 – V C57
2021-09-05 00:13:58 s 1 +175877.09 2 +139550.54 8560.0 – C57
2021-09-05 00:23:58 S 23 24 40.454 -05 06 14.58 – V C57
2021-09-05 00:23:58 s 1 +175857.40 7 +140350.92 1780.0 – C57
2021-09-05 00:33:58 S 23 24 40.812 -05 06 23.47 – V C57
2021-09-05 00:33:58 s 1 +175835.70 5 +141149.68 8540.0 – C57
2021-09-05 00:43:58 S 23 24 41.172 -05 06 32.94 – V C57
2021-09-05 00:43:58 s 1 +175811.99 8 +141946.81 8880.0 – C57
2021-09-05 00:53:58 S 23 24 41.539 -05 06 41.22 – V C57
2021-09-05 00:53:58 s 1 +175786.29 8 +142742.32 2840.0 – C57
2021-09-05 00:56:26 C 23 25 44.30 -05 11 12.1 – Y 557
2021-09-05 01:03:58 S 23 24 41.892 -05 06 51.16 – V C57
2021-09-05 01:03:58 s 1 +175758.61 7 +143536.22 460.0 – C57
2021-09-05 01:13:58 S 23 24 42.240 -05 06 59.90 – V C57
2021-09-05 01:13:58 s 1 +175728.96 9 +144328.49 1770.0 – C57
2021-09-05 01:23:58 S 23 24 42.622 -05 07 09.37 – V C57
2021-09-05 01:23:58 s 1 +175697.36 3 +145119.13 6820.0 – C57
2021-09-05 01:33:58 S 23 24 42.948 -05 07 17.94 – V C57
2021-09-05 01:33:58 s 1 +175663.81 3 +145908.16 5640.0 – C57
2021-09-05 01:43:58 S 23 24 43.349 -05 07 27.05 – V C57
2021-09-05 01:43:58 s 1 +175628.33 1 +146695.57 8280.0 – C57
2021-09-05 01:52:05 C 23 25 47.59 -05 12 01.4 – Y 557
2021-09-05 01:53:58 S 23 24 43.685 -05 07 36.12 – V C57
2021-09-05 01:53:58 s 1 +175590.92 7 +147481.37 4760.0 – C57
2021-09-05 02:03:58 S 23 24 44.100 -05 07 44.72 – V C57
2021-09-05 02:03:58 s 1 +175551.61 4 +148265.54 5140.0 – C57
2021-09-05 02:13:58 S 23 24 44.479 -05 07 53.44 – V C57
2021-09-05 02:13:58 s 1 +175510.40 3 +149048.10 9440.0 – C57
2021-09-05 02:23:58 S 23 24 44.870 -05 08 02.33 – V C57
2021-09-05 02:23:58 s 1 +175467.30 6 +149829.04 7700.0 – C57
2021-09-05 02:33:58 S 23 24 45.264 -05 08 11.33 – V C57
2021-09-05 02:33:58 s 1 +175422.33 3 +150608.36 9960.0 – C57
2021-09-05 02:43:58 S 23 24 45.636 -05 08 20.22 – V C57
2021-09-05 02:43:58 s 1 +175375.49 7 +151386.08 6250.0 – C57
2021-09-05 02:53:58 S 23 24 45.996 -05 08 29.36 – V C57
2021-09-05 02:53:58 s 1 +175326.80 7 +152162.17 6620.0 – 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)