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312309 (2008 CF71)
Classification: Main-belt Asteroid          SPK-ID: 2312309
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1584745786168087 7.9629e-08  
a 2.690254799204895 3.9674e-08 au
q 2.263917803529052 2.0287e-07 au
i 2.104999740418082 9.0435e-06 deg
node 227.3357227090378 0.00022527 deg
peri 241.0843345597781 0.00023221 deg
M 305.5753443827116 5.6004e-05 deg
tp 2459244.158596313190
(2021-Jan-29.65859631)
0.0002546 TDB
period 1611.716117958946
4.41
3.5653e-05
9.761e-08
d
yr
n .2233643977302274 4.9411e-09 deg/d
Q 3.116591794880738 4.5962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      6159 days (16.86 yr)  
   first obs. used      2002-11-14  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61495  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:10:11  

Additional Information
 Earth MOID = 1.28158 au 
 Jupiter MOID = 2.01316 au 
 T_jup = 3.353 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457127.5 (2015-Apr-15.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1562572328502294 8.0273e-08  
q 2.271436252889096 2.043e-07 au
tp 2457631.270787368208
(2016-Aug-30.77078737)
0.00023608 TDB
node 227.3712421676333 0.00022569 deg
peri 240.994195604701 0.00023289 deg
i 2.100739854291447 9.0468e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      6159 days (16.86 yr)  
   first obs. used      2002-11-14  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61495  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:10:11  

Additional Information
 Jupiter MOID = 2.01316 au 
 T_jup = 3.353 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.443725497860547E-15 -1.621449299520626E-14 1.198681517732992E-11 7.911712775267933E-14 3.090619148128074E-12 -4.373848156207838E-15
q -1.621449299520626E-14 4.173875872937506E-14 -2.71881991136809E-11 -1.90418567048525E-13 -7.155379849545306E-12 1.071875709779405E-14
tp 1.198681517732992E-11 -2.71881991136809E-11 5.573458389191808E-8 2.221295293687109E-10 1.361028691423379E-8 -1.205667527308221E-11
node 7.911712775267933E-14 -1.90418567048525E-13 2.221295293687109E-10 5.093661295682332E-8 -5.084609638425531E-8 -9.570548256847161E-10
peri 3.090619148128074E-12 -7.155379849545306E-12 1.361028691423379E-8 -5.084609638425531E-8 5.423679618060107E-8 9.533532322462205E-10
i -4.373848156207838E-15 1.071875709779405E-14 -1.205667527308221E-11 -9.570548256847161E-10 9.533532322462205E-10 8.184474238009744E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO494655  

312309 (2008 CF71)          Discovered 2008-Feb-03 by LINEAR at Socorro
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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