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JPL Small-Body Database Browser
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266507 (2008 EF42)
Classification: Main-belt Asteroid          SPK-ID: 2266507
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08848685845604261 5.9928e-08  
a 2.237178171108513 1.4257e-08 au
q 2.039217302940686 1.3563e-07 au
i 3.501715747162495 5.5396e-06 deg
node 72.40252896826037 9.134e-05 deg
peri 144.2378967537585 9.3921e-05 deg
M 92.87507249450296 2.3455e-05 deg
tp 2458285.184041425255
(2018-Jun-15.68404143)
7.8968e-05 TDB
period 1222.219719867534
3.35
1.1683e-05
3.199e-08
d
yr
n .2945460575934885 2.8156e-09 deg/d
Q 2.43513903927634 1.5519e-08 au
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      7858 days (21.51 yr)  
   first obs. used      1998-04-22  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55803  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:04:48  

Additional Information
 Earth MOID = 1.03287 au 
 Jupiter MOID = 2.53159 au 
 T_jup = 3.630 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO440311  

266507 (2008 EF42)          Discovered 2008-Mar-04 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2008 EF42 = 2006 UL234 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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