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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2036933360377473 4.1536e-08  
a 2.742765488116363 1.3155e-08 au
q 2.184082435872741 1.1544e-07 au
i 14.37299619266409 4.2896e-06 deg
node 128.7387586821895 1.5904e-05 deg
peri 80.44687496400007 1.8934e-05 deg
M 326.4690290882522 1.1086e-05 deg
tp 2459551.034364043925
(2021-Dec-02.53436404)
5.1601e-05 TDB
period 1659.133915395271
4.54
1.1937e-05
3.268e-08
d
yr
n .2169806768817897 1.5611e-09 deg/d
Q 3.301448540359985 1.5835e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1014  
   data-arc span      8062 days (22.07 yr)  
   first obs. used      1999-05-06  
   last obs. used      2021-06-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51128  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:27:29  

Additional Information
 Earth MOID = 1.23536 au 
 Jupiter MOID = 1.87093 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 14.95   n/a MPO637179  

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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