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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08824867168509247 5.9911e-08  
a 2.237483545043869 1.4206e-08 au
q 2.040028594276496 1.3554e-07 au
i 3.501577110309396 5.5391e-06 deg
node 72.40419077155352 9.1338e-05 deg
peri 144.2078751068055 9.3933e-05 deg
M 210.7263894571412 2.3802e-05 deg
tp 2459507.395853534252
(2021-Oct-19.89585353)
8.2316e-05 TDB
period 1222.469977169454
3.35
1.1642e-05
3.187e-08
d
yr
n .294485759751381 2.8045e-09 deg/d
Q 2.434938495811242 1.5459e-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 = 1.03357 au 
 Jupiter MOID = 2.53083 au 
 T_jup = 3.629 
[ 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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