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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2542186104488259 5.8422e-08  
a 2.69355465751673 2.9129e-08 AU
q 2.008802935314864 1.5597e-07 AU
i 13.87590494317353 1.1107e-05 deg
node 162.5709718166399 3.1299e-05 deg
peri 111.9648362957115 4.1388e-05 deg
M 160.2423534220806 2.9172e-05 deg
tp 2456281.776359996097
(2012-Dec-20.27636000)
0.00012359 JED
period 1614.682416201658
4.42
2.6193e-05
7.171e-08
d
yr
n .2229540598124899 3.6166e-09 deg/d
Q 3.378306379718597 3.6534e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      6971 days (19.09 yr)  
   first obs. used      1995-11-15  
   last obs. used      2014-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55579  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 05:58:38  

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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