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85909 (1999 CJ85)
Classification: Main-belt Asteroid          SPK-ID: 2085909
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03790922481849821 2.9165e-08  
a 2.223558538635542 8.7636e-09 au
q 2.139265158097316 6.4703e-08 au
i 6.414390411991512 3.388e-06 deg
node 105.601653613332 4.2104e-05 deg
peri 353.4184573334488 8.1345e-05 deg
M 180.7153259452473 6.9525e-05 deg
tp 2459603.631405650182
(2022-Jan-24.13140565)
0.00023461 TDB
period 1211.075665997842
3.32
7.1597e-06
1.96e-08
d
yr
n .2972564061085193 1.7573e-09 deg/d
Q 2.307851919173768 9.0958e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1038  
   data-arc span      7901 days (21.63 yr)  
   first obs. used      1998-10-28  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56128  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:18:18  

Additional Information
 Earth MOID = 1.15626 au 
 Jupiter MOID = 2.73668 au 
 T_jup = 3.638 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456872.5 (2014-Aug-03.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03805354447873077 2.9251e-08  
q 2.138098838940117 6.4911e-08 au
tp 2457183.103078438744
(2015-Jun-09.60307844)
0.00023047 TDB
node 105.6388991558259 4.2097e-05 deg
peri 353.6009064083867 8.0964e-05 deg
i 6.415422499254593 3.3886e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1038  
   data-arc span      7901 days (21.63 yr)  
   first obs. used      1998-10-28  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56128  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:18:18  

Additional Information
 Jupiter MOID = 2.73668 au 
 T_jup = 3.638 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.556452003753137E-16 -1.882708072835563E-15 3.395877611316713E-13 -3.28352107030968E-15 1.060423811325839E-13 1.423339666835494E-16
q -1.882708072835563E-15 4.213387728547496E-15 -4.783071176070638E-13 7.530925764746238E-15 -1.576712707354059E-13 -1.512990624484534E-16
tp 3.395877611316713E-13 -4.783071176070638E-13 5.311849280014794E-8 -1.418388943601667E-11 1.596307924579137E-8 1.008794146436494E-12
node -3.28352107030968E-15 7.530925764746238E-15 -1.418388943601667E-11 1.772186967494062E-9 -1.765184622925656E-9 1.729761129287203E-11
peri 1.060423811325839E-13 -1.576712707354059E-13 1.596307924579137E-8 -1.765184622925656E-9 6.555239565778284E-9 -1.688603724141616E-11
i 1.423339666835494E-16 -1.512990624484534E-16 1.008794146436494E-12 1.729761129287203E-11 -1.688603724141616E-11 1.148288756191366E-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 15.7   n/a MPO320054  

85909 (1999 CJ85)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 CJ85 = 2001 WF36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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