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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1418078687114596 9.729e-08  
a 3.114595462846633 6.1274e-08 au
q 2.67292131836197 3.4212e-07 au
i 10.20023326505494 7.5689e-06 deg
node 169.3312530100707 5.1623e-05 deg
peri 179.5057938141422 6.2681e-05 deg
M 260.2280251963692 3.3939e-05 deg
tp 2459556.925422687972
(2021-Dec-08.42542269)
0.00018787 TDB
period 2007.709605447043
5.50
5.9247e-05
1.622e-07
d
yr
n .1793087999496029 5.2914e-09 deg/d
Q 3.556269607331296 6.9963e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62242  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:47:34  

Additional Information
 Earth MOID = 1.6666 au 
 Jupiter MOID = 1.88027 au 
 T_jup = 3.178 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457868.5 (2017-Apr-25.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .141300072395345 9.7777e-08  
q 2.675790423760456 3.4415e-07 au
tp 2457551.258465290434
(2016-Jun-11.75846529)
0.00019973 TDB
node 169.345695499603 5.1626e-05 deg
peri 179.8663363193005 6.2667e-05 deg
i 10.19853542080422 7.5695e-06 deg
  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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62242  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:47:34  

Additional Information
 Jupiter MOID = 1.88027 au 
 T_jup = 3.178 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.560315224505119E-15 -3.344791412577007E-14 1.214476719153875E-11 -1.01278055970892E-14 2.361781093077979E-12 8.448125835445213E-15
q -3.344791412577007E-14 1.184386490316907E-13 -4.143033475348169E-11 3.998612220948594E-14 -8.04770530679285E-12 -2.385191231919046E-14
tp 1.214476719153875E-11 -4.143033475348169E-11 3.989092891242479E-8 -3.212937320723203E-11 7.257600524337534E-9 3.245251039122408E-11
node -1.01278055970892E-14 3.998612220948594E-14 -3.212937320723203E-11 2.665214713890221E-9 -2.628447739674972E-9 2.435406777597503E-10
peri 2.361781093077979E-12 -8.04770530679285E-12 7.257600524337534E-9 -2.628447739674972E-9 3.927137753218055E-9 -2.337444246538715E-10
i 8.448125835445213E-15 -2.385191231919046E-14 3.245251039122408E-11 2.435406777597503E-10 -2.337444246538715E-10 5.729796841739191E-11

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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