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JPL Small-Body Database Browser
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523931 (1998 EC7)
Classification: Main-belt Asteroid          SPK-ID: 2523931
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04955501440599077 1.8282e-07  
a 2.994098340524526 4.4895e-08 au
q 2.84572575412688 5.351e-07 au
i 9.138848444357926 1.6568e-05 deg
node 340.5660590659169 6.5931e-05 deg
peri 212.6652723887674 9.5805e-05 deg
M 356.1435838682106 7.0489e-05 deg
tp 2458620.771174296077
(2019-May-17.27117430)
0.00037048 TDB
period 1892.332802581041
5.18
4.2562e-05
1.165e-07
d
yr
n .1902413780012581 4.2788e-09 deg/d
Q 3.142470926922172 4.712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      95  
   data-arc span      8599 days (23.54 yr)  
   first obs. used      1995-09-21  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .72979  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:46:56  

Additional Information
 Earth MOID = 1.85174 au 
 Jupiter MOID = 1.8477 au 
 T_jup = 3.234 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   .39459 MPO457198 autocmod 2.6n

523931 (1998 EC7)          Discovered 1998-Mar-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-05-29

[ show close-approach data ]
Alternate Designations
 1998 EC7 = 2013 AD63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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