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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03790922461278966 2.9152e-08  
a 2.2235585383239 8.6939e-09 au
q 2.139265158254893 6.4697e-08 au
i 6.414390382087188 3.3876e-06 deg
node 105.6016536389254 4.1119e-05 deg
peri 353.4184617754265 7.9196e-05 deg
M 180.7153217542547 6.784e-05 deg
tp 2459603.631419622299
(2022-Jan-24.13141962)
0.00022906 TDB
period 1211.075665743235
3.32
7.1028e-06
1.945e-08
d
yr
n .2972564061710121 1.7434e-09 deg/d
Q 2.307851918392907 9.0235e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1075  
   data-arc span      7945 days (21.75 yr)  
   first obs. used      1998-10-28  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55763  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:57:39  

Additional Information
 Earth MOID = 1.15626 au 
 Jupiter MOID = 2.73668 au 
 T_jup = 3.638 
[ 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 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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