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JPL Small-Body Database Browser
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66979 (1999 XR86)
Classification: Main-belt Asteroid          SPK-ID: 2066979
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06982299372710674 4.9846e-08  
a 3.185972043639635 3.7196e-08 au
q 2.963517937621847 1.6055e-07 au
i 16.26753715331829 6.0995e-06 deg
node 106.8437755591639 1.904e-05 deg
peri 246.766255321222 4.9707e-05 deg
M 321.6520455841735 4.321e-05 deg
tp 2459221.759063307953
(2021-Jan-07.25906331)
0.00024904 TDB
period 2077.118949478814
5.69
3.6376e-05
9.959e-08
d
yr
n .1733169879800723 3.0352e-09 deg/d
Q 3.408426149657422 3.9794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      742  
   data-arc span      7100 days (19.44 yr)  
   first obs. used      1999-12-02  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59035  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:29:17  

Additional Information
 Earth MOID = 1.99688 au 
 Jupiter MOID = 1.94999 au 
 T_jup = 3.132 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8   n/a MPO493337  

66979 (1999 XR86)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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