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31260 (1998 EE6)
Classification: Main-belt Asteroid          SPK-ID: 2031260
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1915335005922959 3.7407e-08  
a 2.731764256490994 1.6995e-08 au
q 2.208539885652363 1.0343e-07 au
i 5.463893621959259 4.9411e-06 deg
node 239.2254052346855 5.9503e-05 deg
peri 209.0252423468129 6.2206e-05 deg
M 32.4052630344007 1.8474e-05 deg
tp 2457252.051332225610
(2015-Aug-17.55133223)
8.4051e-05 JED
period 1649.161753201879
4.52
1.539e-05
4.214e-08
d
yr
n .2182927170734182 2.0371e-09 deg/d
Q 3.254988627329624 2.025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      984  
   data-arc span      8427 days (23.07 yr)  
   first obs. used      1992-11-24  
   last obs. used      2015-12-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49746  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:16:15  

Additional Information
 Earth MOID = 1.22622 au 
 Jupiter MOID = 1.98936 au 
 T_jup = 3.321 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a MPO358920  

31260 (1998 EE6)          Discovered 1998-Mar-02 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 EE6 = 1996 TB58 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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