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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1512422369882099 8.3147e-08  
a 3.012547857032847 3.9398e-08 AU
q 2.556923380101162 2.3915e-07 AU
i 11.83432013289284 8.1188e-06 deg
node 80.71507659551484 3.4608e-05 deg
peri 285.9257586345473 4.3301e-05 deg
M 135.1146606546455 2.7135e-05 deg
tp 2456083.697794165728
(2012-Jun-05.19779417)
0.00014014 JED
period 1909.850439989731
5.23
3.7466e-05
1.026e-07
d
yr
n .1884964353553965 3.6978e-09 deg/d
Q 3.468172333964533 4.5357e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      949  
   data-arc span      5871 days (16.07 yr)  
   first obs. used      1998-01-25  
   last obs. used      2014-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51947  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 11:25:11  

Additional Information
 Earth MOID = 1.58667 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 12.4 mag n/a MPO257062  

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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