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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .141898047927927 9.7115e-08  
a 3.116141834713478 6.1246e-08 au
q 2.673967391301086 3.4194e-07 au
i 10.20001085009372 7.5671e-06 deg
node 169.3145465167314 5.1614e-05 deg
peri 179.3269470258385 6.2711e-05 deg
M 296.2833124836798 3.3879e-05 deg
tp 2459556.110799170371
(2021-Dec-07.61079917)
0.00018827 TDB
period 2009.205008790558
5.50
5.9234e-05
1.622e-07
d
yr
n .1791753446885453 5.2824e-09 deg/d
Q 3.55831627812587 6.9936e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      5376 days (14.72 yr)  
   first obs. used      2005-10-03  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6225  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:29:50  

Additional Information
 Earth MOID = 1.66584 au 
 Jupiter MOID = 1.87869 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 16.13   n/a E2021B25  

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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