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148027 (1998 EH9)
Classification: Main-belt Asteroid          SPK-ID: 2148027
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2595382967444086 8.1596e-08  
a 2.791489933226646 4.3892e-08 AU
q 2.066991390577839 2.3096e-07 AU
i 32.85887119957324 1.3729e-05 deg
node 139.0346374250071 1.9388e-05 deg
peri 121.8546212508615 4.0292e-05 deg
M 163.4018868945963 3.3511e-05 deg
tp 2456227.272854307656
(2012-Oct-26.77285431)
0.00014807 JED
period 1703.540746924198
4.66
4.0178e-05
1.1e-07
d
yr
n .2113245607127347 4.9841e-09 deg/d
Q 3.515988475875453 5.5283e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      6062 days (16.60 yr)  
   first obs. used      1998-03-01  
   last obs. used      2014-10-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63573  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 18:11:19  

Additional Information
 Earth MOID = 1.17368 AU 
 T_jup = 3.052 
[ 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 14.9 mag n/a MPO310171  

148027 (1998 EH9)          Discovered 1998-Mar-08 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20070202/Numbers.arcLast Updated: 2007-02-06
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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