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14551 Itagaki (1997 UN8)
Classification: Main-belt Asteroid          SPK-ID: 2014551
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2206753867292509 1.099e-08  
a 2.748924589759791 9.9795e-09 au
q 2.142304592825002 2.9089e-08 au
i 7.068862227151977 1.3001e-06 deg
node 25.51211383507239 3.2298e-06 deg
peri 259.6712986706667 5.1279e-06 deg
M 140.4334451547836 5.7765e-06 deg
tp 2458747.102345701665
(2019-Sep-20.60234570)
2.5028e-05 TDB
period 1664.725630633987
4.56
9.0653e-06
2.482e-08
d
yr
n .2162518515816322 1.1776e-09 deg/d
Q 3.35554458669458 1.2182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2675  
   data-arc span      13725 days (37.58 yr)  
   first obs. used      1983-09-06  
   last obs. used      2021-04-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41522  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:18:07  

Additional Information
 Earth MOID = 1.13969 au 
 Jupiter MOID = 1.87391 au 
 T_jup = 3.300 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.57   n/a MPCxxxxx  
diameter diameter 10.364 km 0.162 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.94719 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.084   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

14551 Itagaki           Discovered 1997 Oct. 22 by T. Okuni at Nanyo.
Koichi Itagaki (b. 1947), a confectionery manufacturing industry president, is also an amateur astronomer in Yamagata. He is credited with the discovery of supernovae 2001bq and 2001gd.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020128/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 1997 UN8 = 1983 RY6 = 2000 DK101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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