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295087 (2008 EF144)
Classification: Main-belt Asteroid          SPK-ID: 2295087
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08275429150497601 6.6647e-08  
a 3.187689801763928 4.9476e-08 au
q 2.923894790681317 2.3731e-07 au
i 2.52255406643014 6.6176e-06 deg
node 294.1507123926168 0.00014302 deg
peri 359.6079120671578 0.00015014 deg
M 309.9715753220185 4.1935e-05 deg
tp 2459289.386224744281
(2021-Mar-15.88622474)
0.00024194 TDB
period 2078.799034296058
5.69
4.8397e-05
1.325e-07
d
yr
n .1731769132372656 4.0318e-09 deg/d
Q 3.45148481284654 5.357e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      6635 days (18.17 yr)  
   first obs. used      2002-02-20  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5581  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:39:56  

Additional Information
 Earth MOID = 1.90779 au 
 Jupiter MOID = 1.70173 au 
 T_jup = 3.191 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO471112  

295087 (2008 EF144)          Discovered 2008-Mar-11 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 EF144 = 2005 WR60 = 2007 BF8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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