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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1913569655800139 4.1723e-08  
a 2.731286178626009 2.0954e-08 AU
q 2.208635543353504 1.1524e-07 AU
i 5.464106310575326 5.5654e-06 deg
node 239.2353757660342 6.2807e-05 deg
peri 208.9389610971763 6.5618e-05 deg
M 305.1260331849504 2.0085e-05 deg
tp 2457251.811922763154
(2015-Aug-17.31192276)
9.3472e-05 JED
period 1648.728849869163
4.51
1.8973e-05
5.195e-08
d
yr
n .2183500337417935 2.5127e-09 deg/d
Q 3.253936813898514 2.4964e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      737  
   data-arc span      7950 days (21.77 yr)  
   first obs. used      1992-11-24  
   last obs. used      2014-08-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .497  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:28:00  

Additional Information
 Earth MOID = 1.22649 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 14.1 mag n/a MPO266110  

31260 (1998 EE6)          Discovered 1998-Mar-02 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
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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