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JPL Small-Body Database Browser
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392974 (2012 XK40)
Classification: Main-belt Asteroid          SPK-ID: 2392974
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07580120924920308 7.6937e-08  
a 2.620374604088238 4.0706e-08 au
q 2.421747040412448 2.1389e-07 au
i 1.957119488581485 6.3444e-06 deg
node 262.611005266882 0.00027319 deg
peri 319.2904380171149 0.00027834 deg
M 43.780821110342 5.4275e-05 deg
tp 2458412.080910333469
(2018-Oct-20.58091033)
0.00023333 TDB
period 1549.328463004273
4.24
3.6102e-05
9.884e-08
d
yr
n .2323587338619798 5.4144e-09 deg/d
Q 2.819002167764028 4.3792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      5765 days (15.78 yr)  
   first obs. used      2003-09-22  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55394  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:23  

Additional Information
 Earth MOID = 1.41348 au 
 Jupiter MOID = 2.15907 au 
 T_jup = 3.400 
[ 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 16.8   n/a MPO437609  

392974 (2012 XK40)          Discovered 2007-Oct-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2012 XK40 = 2011 SG94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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