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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03790922414980256 2.9132e-08  
a 2.223558537639642 8.6207e-09 au
q 2.139265158626054 6.4684e-08 au
i 6.414390226720277 3.3865e-06 deg
node 105.6016709304566 3.9986e-05 deg
peri 353.4184554358783 7.6835e-05 deg
M 180.7153115455698 6.6023e-05 deg
tp 2459603.631453686923
(2022-Jan-24.13145369)
0.00022308 TDB
period 1211.075665184207
3.32
7.0429e-06
1.928e-08
d
yr
n .2972564063082246 1.7287e-09 deg/d
Q 2.307851916653231 8.9475e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1079  
   data-arc span      7969 days (21.82 yr)  
   first obs. used      1998-10-28  
   last obs. used      2020-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55815  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:59:22  

Additional Information
 Earth MOID = 1.15626 au 
 Jupiter MOID = 2.73668 au 
 T_jup = 3.638 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456952.5 (2014-Oct-22.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03805565249557927 2.9227e-08  
q 2.137961675580761 6.4901e-08 au
tp 2457183.392122565008
(2015-Jun-09.89212256)
0.000218 TDB
node 105.6385068314993 3.9981e-05 deg
peri 353.695821035099 7.6474e-05 deg
i 6.415423791529954 3.3871e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1079  
   data-arc span      7969 days (21.82 yr)  
   first obs. used      1998-10-28  
   last obs. used      2020-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55815  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:59:22  

Additional Information
 Jupiter MOID = 2.73668 au 
 T_jup = 3.638 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.542079855309918E-16 -1.881379911989776E-15 4.444165574337214E-13 -4.500041505424361E-15 1.395725930327219E-13 1.53106276220936E-16
q -1.881379911989776E-15 4.212150382459445E-15 -5.948735975610813E-13 9.876189702432021E-15 -1.958701226570362E-13 -1.755381321695559E-16
tp 4.444165574337214E-13 -5.948735975610813E-13 4.752333064467244E-8 -9.932738834394187E-12 1.423241147006334E-8 1.178702740855433E-12
node -4.500041505424361E-15 9.876189702432021E-15 -9.932738834394187E-12 1.59845548510436E-9 -1.591186875539746E-9 1.771730565401436E-11
peri 1.395725930327219E-13 -1.958701226570362E-13 1.423241147006334E-8 -1.591186875539746E-9 5.84825053848178E-9 -1.725116251061443E-11
i 1.53106276220936E-16 -1.755381321695559E-16 1.178702740855433E-12 1.771730565401436E-11 -1.725116251061443E-11 1.147245528705399E-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

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