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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1913569659397071 3.9398e-08  
a 2.731286178800093 1.929e-08 AU
q 2.208635542511851 1.1101e-07 AU
i 5.464109141776286 5.2555e-06 deg
node 239.2353866185795 6.1819e-05 deg
peri 208.9389502846969 6.4652e-05 deg
M 305.1260331062662 1.9952e-05 deg
tp 2457251.811923147539
(2015-Aug-17.31192315)
9.2754e-05 JED
period 1648.72885002679
4.51
1.7466e-05
4.782e-08
d
yr
n .218350033720918 2.3131e-09 deg/d
Q 3.253936815088335 2.2981e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      884  
   data-arc span      8092 days (22.15 yr)  
   first obs. used      1992-11-24  
   last obs. used      2015-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48707  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 15:37:55  

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
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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