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85985 (1999 JW)
Classification: Main-belt Asteroid          SPK-ID: 2085985
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2542186104818298 5.838e-08  
a 2.693554657850814 2.9093e-08 AU
q 2.008802935475119 1.5588e-07 AU
i 13.87590734146782 9.9212e-06 deg
node 162.5709750804799 3.0545e-05 deg
peri 111.9648357332844 3.9083e-05 deg
M 160.2423512572016 2.7413e-05 deg
tp 2456281.776369572360
(2012-Dec-20.27636957)
0.00011543 JED
period 1614.682416502063
4.42
2.616e-05
7.162e-08
d
yr
n .2229540597710102 3.6122e-09 deg/d
Q 3.378306380226508 3.6489e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      407  
   data-arc span      7003 days (19.17 yr)  
   first obs. used      1995-11-15  
   last obs. used      2015-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55173  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 16:22:40  

Additional Information
 Earth MOID = 1.04133 AU 
 T_jup = 3.283 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag n/a MPO273027  

85985 (1999 JW)          Discovered 1999-May-05 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 JW = 2003 EY23 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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