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28340 Yukihiro (1999 EG5)
Classification: Main-belt Asteroid          SPK-ID: 2028340
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1520695274117396 7.541e-08  
a 3.010915768747954 3.0804e-08 au
q 2.553047230717898 2.2163e-07 au
i 11.83423548223094 6.5976e-06 deg
node 80.68835133562268 3.2832e-05 deg
peri 285.7189722802936 3.8947e-05 deg
M 286.3176936264661 2.5669e-05 deg
tp 2457991.077343151706
(2017-Aug-25.57734315)
0.00013944 JED
period 1908.298619505745
5.22
2.9285e-05
8.018e-08
d
yr
n .1886497198710132 2.8951e-09 deg/d
Q 3.46878430677801 3.5489e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1066  
   data-arc span      6406 days (17.54 yr)  
   first obs. used      1998-01-25  
   last obs. used      2015-08-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50517  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 15:12:45  

Additional Information
 Earth MOID = 1.58299 au 
 Jupiter MOID = 2.11364 au 
 T_jup = 3.200 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.5 mag n/a MPO337497  

28340 Yukihiro           Discovered 1999 Mar. 13 by H. Abe at Yatsuka.
Yukihiro Adachi (b. 1965) is a member of Matsue Astronomy Club. He has popularized astronomy in Shimane prefecture and is an observing partner of the discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071124/MPCPages.arcLast Updated: 2007-11-26

Alternate Designations
 1999 EG5 = 2000 JF57 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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