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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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2595382890617108 8.3691e-08  
a 2.791489933355511 4.3924e-08 AU
q 2.066991412119433 2.3679e-07 AU
i 32.85887126173458 1.4854e-05 deg
node 139.0346376391897 1.9744e-05 deg
peri 121.8546127668047 4.5241e-05 deg
M 163.4018926120912 3.6426e-05 deg
tp 2456227.272827198598
(2012-Oct-26.77282720)
0.00016275 JED
period 1703.54074704216
4.66
4.0208e-05
1.101e-07
d
yr
n .2113245606981015 4.9878e-09 deg/d
Q 3.515988454591589 5.5324e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      5676 days (15.54 yr)  
   first obs. used      1998-03-01  
   last obs. used      2013-09-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .64002  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 08:01:35  

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 14.8 mag n/a MPO264284  

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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