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442776 (2012 XB117)
Classification: Main-belt Asteroid          SPK-ID: 2442776
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2074209005454508 4.7278e-08  
a 2.368238941336247 2.1477e-08 au
q 1.877016687417478 1.1623e-07 au
i 8.50730905340431 7.0498e-06 deg
node 281.8702237840077 4.2699e-05 deg
peri 116.4389498207472 4.8672e-05 deg
M 43.97146814180161 1.9545e-05 deg
tp 2458837.905755116286
(2019-Dec-20.40575512)
7.2887e-05 TDB
period 1331.179754320994
3.64
1.8109e-05
4.958e-08
d
yr
n .2704368052709968 3.6789e-09 deg/d
Q 2.859461195255017 2.5932e-08 au
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      9162 days (25.08 yr)  
   first obs. used      1994-12-28  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51504  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:43:18  

Additional Information
 Earth MOID = .903327 au 
 Jupiter MOID = 2.59894 au 
 T_jup = 3.503 
[ 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 17.3   n/a MPO397584  

442776 (2012 XB117)          Discovered 2006-Jan-20 by CSS at Catalina
Reference: Last Updated: 2015-09-02

Alternate Designations
 2012 XB117 = 2006 BU26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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