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390211 (2012 XO12)
Classification: Main-belt Asteroid          SPK-ID: 2390211
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05891845939977095 5.9349e-08  
a 2.607151468897214 3.4284e-08 au
q 2.453542120927941 1.6824e-07 au
i 7.610922841062631 6.6778e-06 deg
node 128.6394155394553 4.2426e-05 deg
peri 67.05007722612433 6.9034e-05 deg
M 157.7328899110263 5.6943e-05 deg
tp 2458326.798395917954
(2018-Jul-27.29839592)		 0.00023773 TDB
period 1537.615760456452
4.21		 3.0329e-05
8.304e-08		 d
yr
n .234128713595607 4.6181e-09 deg/d
Q 2.760760816866488 3.6304e-08 au
   Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      5284 days (14.47 yr)  
   first obs. used      2006-05-02  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5736  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:42:52  

Additional Information
 Earth MOID = 1.46518 au 
 Jupiter MOID = 2.22221 au 
 T_jup = 3.397 
[ 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 16.9   n/a MPO437597  

390211 (2012 XO12)          Discovered 2006-May-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-03-21

Alternate Designations
 2012 XO12 = 2010 NL80 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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