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312408 (2008 FN71)
Classification: Main-belt Asteroid          SPK-ID: 2312408
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1418078892732779 9.8558e-08  
a 3.114595491932036 6.4997e-08 au
q 2.672921279281087 3.4355e-07 au
i 10.20023271955895 9.389e-06 deg
node 169.3312548506539 5.1789e-05 deg
peri 179.5057847709272 6.3117e-05 deg
M 260.2280248815877 3.3961e-05 deg
tp 2459556.925432237702
(2021-Dec-08.42543224)
0.00018811 TDB
period 2007.709633570299
5.50
6.2847e-05
1.721e-07
d
yr
n .1793087974379113 5.6129e-09 deg/d
Q 3.556269704582985 7.4215e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      5319 days (14.56 yr)  
   first obs. used      2005-10-03  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6421  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:27:12  

Additional Information
 Earth MOID = 1.6666 au 
 Jupiter MOID = 1.88027 au 
 T_jup = 3.178 
[ 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 16.0   n/a MPO434003  

312408 (2008 FN71)          Discovered 2008-Mar-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2008 FN71 = 2011 WB103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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