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243681 (1999 XK80)
Classification: Main-belt Asteroid          SPK-ID: 2243681
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07114878902125042 5.1423e-08  
a 2.797497090439861 2.5208e-08 au
q 2.598458560164594 1.5052e-07 au
i 7.32156831095783 4.4587e-06 deg
node 82.75583886988376 4.49e-05 deg
peri 295.616531162928 5.5144e-05 deg
M 186.9246321375354 3.3207e-05 deg
tp 2459822.147720495813
(2022-Aug-30.64772050)
0.00016098 TDB
period 1709.042615547386
4.68
2.31e-05
6.324e-08
d
yr
n .2106442500175435 2.8472e-09 deg/d
Q 2.996535620715129 2.7002e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      7447 days (20.39 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56701  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:50:23  

Additional Information
 Earth MOID = 1.61149 au 
 Jupiter MOID = 2.38032 au 
 T_jup = 3.311 
[ 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 15.8   n/a MPO470598  

243681 (1999 XK80)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 1999 XK80 = 2005 BN4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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