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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1520211720307829 7.5407e-08  
a 3.010557168650557 3.0909e-08 au
q 2.552888739406624 2.215e-07 au
i 11.83484347049932 6.598e-06 deg
node 80.68824656850614 3.283e-05 deg
peri 285.7659140163967 3.8944e-05 deg
M 248.5285225228111 2.5351e-05 deg
tp 2457991.285736471140
(2017-Aug-25.78573647)
0.0001394 JED
period 1907.957712080502
5.22
2.9384e-05
8.045e-08
d
yr
n .1886834271643494 2.9058e-09 deg/d
Q 3.468225597894491 3.5608e-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 = 1.58226 au 
 Jupiter MOID = 2.11496 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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