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 18:23:58 s 1 +175191.19 7 +110513.23 8060.0 – C57
2021-09-04 18:33:58 S 23 24 27.953 -05 01 01.56 – V C57
2021-09-04 18:33:58 s 1 +175250.75 3 +111370.45 5430.0 – C57
2021-09-04 18:43:58 S 23 24 28.325 -05 01 11.03 – V C57
2021-09-04 18:43:58 s 1 +175307.78 8 +112226.05 4700.0 – C57
2021-09-04 18:53:58 S 23 24 28.606 -05 01 20.28 – V C57
2021-09-04 18:53:58 s 1 +175362.31 9 +113080.03 5940.0 – C57
2021-09-04 19:03:58 S 23 24 28.906 -05 01 30.58 – V C57
2021-09-04 19:03:58 s 1 +175414.36 2 +113932.40 9180.0 – C57
2021-09-04 19:53:58 S 23 24 30.768 -05 02 14.32 – V C57
2021-09-04 19:53:58 s 1 +175637.82 7 +118169.95 7440.0 – C57
2021-09-04 20:03:58 S 23 24 31.176 -05 02 23.71 – V C57
2021-09-04 20:03:58 s 1 +175675.28 1 +119012.60 3850.0 – C57
2021-09-04 20:13:58 S 23 24 31.478 -05 02 31.42 – V C57
2021-09-04 20:13:58 s 1 +175710.35 7 +119853.62 2640.0 – C57
2021-09-04 20:23:58 S 23 24 31.843 -05 02 40.70 – V C57
2021-09-04 20:23:58 s 1 +175743.07 2 +120693.03 3860.0 – C57
2021-09-04 20:33:58 S 23 24 32.167 -05 02 48.88 – V C57
2021-09-04 20:33:58 s 1 +175773.44 0 +121530.81 7540.0 – C57
2021-09-04 20:43:58 S 23 24 32.496 -05 02 58.42 – V C57
2021-09-04 20:43:58 s 1 +175801.47 7 +122366.96 3740.0 – C57
2021-09-04 20:53:58 S 23 24 32.856 -05 03 06.95 – V C57
2021-09-04 20:53:58 s 1 +175827.19 8 +123201.49 2520.0 – C57
2021-09-04 21:03:58 S 23 24 33.209 -05 03 16.67 – V C57
2021-09-04 21:03:58 s 1 +175850.61 7 +124034.39 3900.0 – C57
2021-09-04 21:13:58 S 23 24 33.552 -05 03 25.31 – V C57
2021-09-04 21:13:58 s 1 +175871.74 9 +124865.67 7960.0 – C57
2021-09-04 21:23:58 S 23 24 33.941 -05 03 33.95 – V C57
2021-09-04 21:23:58 s 1 +175890.60 9 +125695.32 4720.0 – C57
2021-09-04 21:33:58 S 23 24 34.313 -05 03 42.62 – V C57
2021-09-04 21:33:58 s 1 +175907.21 1 +126523.35 4250.0 – C57
2021-09-04 21:43:58 S 23 24 34.668 -05 03 51.98 – V C57
2021-09-04 21:43:58 s 1 +175921.56 9 +127349.75 6580.0 – C57
2021-09-04 21:53:58 S 23 24 35.045 -05 04 00.23 – V C57
2021-09-04 21:53:58 s 1 +175933.69 8 +128174.52 1760.0 – C57
2021-09-04 21:58:21 C 23 25 33.85 -05 08 33.3 – Y 557
2021-09-04 22:03:58 S 23 24 35.426 -05 04 09.77 – V C57
2021-09-04 22:03:58 s 1 +175943.61 1 +128997.66 9840.0 – C57
2021-09-04 22:13:58 S 23 24 35.748 -05 04 17.80 – V C57
2021-09-04 22:13:58 s 1 +175951.32 3 +129819.18 860.0 – C57
2021-09-04 22:23:58 S 23 24 36.120 -05 04 27.30 – V C57
2021-09-04 22:23:58 s 1 +175956.84 7 +130639.07 4860.0 – C57
2021-09-04 22:33:58 S 23 24 36.434 -05 04 35.98 – V C57
2021-09-04 22:33:58 s 1 +175960.19 8 +131457.34 1900.0 – C57
2021-09-04 22:43:58 S 23 24 36.811 -05 04 45.55 – V C57
2021-09-04 22:43:58 s 1 +175961.38 9 +132273.98 2010.0 – C57
2021-09-04 22:53:58 S 23 24 37.150 -05 04 54.48 – V C57
2021-09-04 22:53:58 s 1 +175960.43 3 +133088.99 5250.0 – C57
2021-09-04 23:02:00 C 23 25 37.60 -05 09 30.3 – Y 557
2021-09-04 23:03:58 S 23 24 37.483 -05 05 03.44 – 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)