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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2542186100050856 5.8373e-08  
a 2.693554657287748 2.9082e-08 AU
q 2.008802936339332 1.5587e-07 AU
i 13.87590552580238 9.5507e-06 deg
node 162.5709723890185 3.0278e-05 deg
peri 111.9648334645294 3.8372e-05 deg
M 160.2423553144607 2.6902e-05 deg
tp 2456281.776351599988
(2012-Dec-20.27635160)
0.00011305 JED
period 1614.682415995759
4.42
2.6151e-05
7.16e-08
d
yr
n .2229540598409202 3.6108e-09 deg/d
Q 3.378306378236164 3.6475e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      7029 days (19.24 yr)  
   first obs. used      1995-11-15  
   last obs. used      2015-02-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55432  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 17:58:21  

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
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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