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390240 (2012 XK69)
Classification: Main-belt Asteroid          SPK-ID: 2390240
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 .1008851131616507 7.1172e-08  
a 2.960211508452851 4.1065e-08 au
q 2.661570235440165 2.1065e-07 au
i 10.21180759479894 5.9419e-06 deg
node 106.7712884943381 3.8651e-05 deg
peri 320.7055849131997 4.4758e-05 deg
M 166.8924864402957 2.5629e-05 deg
tp 2458138.083960271663
(2018-Jan-19.58396027)
0.00012555 TDB
period 1860.29809324741
5.09
3.871e-05
1.06e-07
d
yr
n .1935173729988454 4.0268e-09 deg/d
Q 3.258852781465537 4.5208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      4610 days (12.62 yr)  
   first obs. used      2007-12-04  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59595  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:42:38  

Additional Information
 Earth MOID = 1.68512 au 
 Jupiter MOID = 1.99603 au 
 T_jup = 3.235 
[ 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 16.0   n/a MPO434437  

390240 (2012 XK69)          Discovered 2007-Dec-04 by CSS at Catalina
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 2012 XK69 = 2010 EE145 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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