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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1012325082747433 7.1819e-08  
a 2.959835578638542 5.3178e-08 au
q 2.660203998932135 2.1113e-07 au
i 10.21179407809316 6.7161e-06 deg
node 106.7714125603681 4.0873e-05 deg
peri 320.7884981732104 5.1097e-05 deg
M 89.3536455055509 2.9189e-05 deg
tp 2458138.853463753994
(2018-Jan-20.35346375)
0.0001521 TDB
period 1859.94373378127
5.09
5.0125e-05
1.372e-07
d
yr
n .1935542422394247 5.2163e-09 deg/d
Q 3.259467158344948 5.8562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      4111 days (11.26 yr)  
   first obs. used      2007-12-04  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61885  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:14:31  

Additional Information
 Earth MOID = 1.68354 au 
 Jupiter MOID = 1.9962 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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