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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1913569659249157 3.9402e-08  
a 2.731286178762042 1.9296e-08 AU
q 2.208635542521481 1.1102e-07 AU
i 5.464109124191914 5.2556e-06 deg
node 239.2353859583694 6.1832e-05 deg
peri 208.938950929165 6.4664e-05 deg
M 305.1260331261616 1.9955e-05 deg
tp 2457251.811923051170
(2015-Aug-17.31192305)
9.2769e-05 JED
period 1648.728849992336
4.51
1.7472e-05
4.784e-08
d
yr
n .2183500337254809 2.3139e-09 deg/d
Q 3.253936815002603 2.2989e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      863  
   data-arc span      8089 days (22.15 yr)  
   first obs. used      1992-11-24  
   last obs. used      2015-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49214  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 14:24:53  

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 14.2 mag n/a MPO309395  

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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