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JPL Small-Body Database Browser
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85986 (1999 JX)
Classification: Main-belt Asteroid          SPK-ID: 2085986
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2039585408773272 4.6882e-08  
a 2.742553771303915 1.5125e-08 au
q 2.183186505831157 1.2726e-07 au
i 14.3726926520637 4.3804e-06 deg
node 128.7402312310749 1.9206e-05 deg
peri 80.48072184280421 2.1661e-05 deg
M 240.5352361836857 1.0962e-05 deg
tp 2459551.014144360167
(2021-Dec-02.51414436)
5.2621e-05 TDB
period 1658.941813791922
4.54
1.3724e-05
3.757e-08
d
yr
n .2170058027394769 1.7952e-09 deg/d
Q 3.301921036776672 1.821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      783  
   data-arc span      7572 days (20.73 yr)  
   first obs. used      1999-05-06  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55236  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:42:22  

Additional Information
 Earth MOID = 1.23387 au 
 Jupiter MOID = 1.87258 au 
 T_jup = 3.274 
[ 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 14.9   n/a MPO417416  

85986 (1999 JX)          Discovered 1999-May-06 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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