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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1512422192546017 8.1167e-08  
a 3.01254785931705 3.7353e-08 AU
q 2.55692343546324 2.3378e-07 AU
i 11.83431657867044 7.7675e-06 deg
node 80.71509937008521 3.367e-05 deg
peri 285.9257166476108 4.1757e-05 deg
M 135.1146786827433 2.5233e-05 deg
tp 2456083.697697708892
(2012-Jun-05.19769771)
0.0001311 JED
period 1909.850442161888
5.23
3.5521e-05
9.725e-08
d
yr
n .1884964351410112 3.5058e-09 deg/d
Q 3.46817228317086 4.3003e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      958  
   data-arc span      5978 days (16.37 yr)  
   first obs. used      1998-01-25  
   last obs. used      2014-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50878  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:23:30  

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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