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392967 (2012 XN12)
Classification: Main-belt Asteroid          SPK-ID: 2392967
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170417883605398 4.5137e-08  
a 2.379585934216797 2.3035e-08 au
q 2.101074940918477 1.0377e-07 au
i 6.156259170737355 1.0993e-05 deg
node 173.8557742220253 6.1017e-05 deg
peri 115.3480678619273 8.0524e-05 deg
M 144.5353401719865 5.1499e-05 deg
tp 2458462.202869492062
(2018-Dec-09.70286949)
0.00019112 TDB
period 1340.758369214515
3.67
1.9468e-05
5.33e-08
d
yr
n .2685047569092606 3.8988e-09 deg/d
Q 2.658096927515117 2.5731e-08 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      5507 days (15.08 yr)  
   first obs. used      2004-10-04  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61874  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 00:34:53  

Additional Information
 Earth MOID = 1.09389 au 
 Jupiter MOID = 2.49944 au 
 T_jup = 3.522 
[ 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 17.7   n/a MPO434458  

392967 (2012 XN12)          Discovered 2007-Mar-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2012 XN12 = 2014 EJ23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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