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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2526035937755616 5.2958e-08  
a 2.696759878687704 2.8899e-08 au
q 2.015548641781443 1.4384e-07 au
i 13.87754773842518 8.9557e-06 deg
node 162.5547581992652 2.4796e-05 deg
peri 111.8084231891474 3.376e-05 deg
M 294.0078587475115 2.8525e-05 deg
tp 2457897.018342452114
(2017-May-23.51834245)
0.0001319 JED
period 1617.565383646885
4.43
2.6001e-05
7.119e-08
d
yr
n .222556691457109 3.5774e-09 deg/d
Q 3.377971115593966 3.6199e-08 au
  Orbit Determination Parameters
   # obs. used (total)      457  
   data-arc span      7446 days (20.39 yr)  
   first obs. used      1995-11-15  
   last obs. used      2016-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55255  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 15:31:22  

Additional Information
 Earth MOID = 1.04661 au 
 Jupiter MOID = 1.99 au 
 T_jup = 3.282 
[ 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 15.1 mag n/a MPO366219  

85985 (1999 JW)          Discovered 1999-May-05 by BAO Schmidt CCD Asteroid Program at Xinglong
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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