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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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1169594620679668 4.4426e-08  
a 2.379813644652425 2.2542e-08 au
q 2.10147192095187 1.0275e-07 au
i 6.156478675513111 9.8673e-06 deg
node 173.8480032313003 5.6137e-05 deg
peri 115.4150649241746 7.3175e-05 deg
M 198.1594674319252 4.7429e-05 deg
tp 2459803.333877393752
(2022-Aug-11.83387739)		 0.00017881 TDB
period 1340.950826212005
3.67		 1.9052e-05
5.216e-08		 d
yr
n .2684662203586903 3.8144e-09 deg/d
Q 2.65815536835298 2.5178e-08 au
   Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      5948 days (16.28 yr)  
   first obs. used      2004-10-04  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61459  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 20:33:29  

Additional Information
 Earth MOID = 1.09236 au 
 Jupiter MOID = 2.49857 au 
 T_jup = 3.522 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457864.5 (2017-Apr-21.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .117749792634599 4.4327e-08  
q 2.098677119450451 1.0254e-07 au
tp 2458462.541133615571
(2018-Dec-10.04113362)		 0.00017362 TDB
node 173.8895008677752 5.611e-05 deg
peri 115.4585797598603 7.3032e-05 deg
i 6.158739566663825 9.8729e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      5948 days (16.28 yr)  
   first obs. used      2004-10-04  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61459  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 20:33:29  

Additional Information
 Jupiter MOID = 2.49857 au 
 T_jup = 3.522 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.964918733202499E-15 -4.464386899239083E-15 7.325374532292981E-13 -9.980426746357672E-16 1.397242342832812E-13 4.669697113508451E-16
q -4.464386899239083E-15 1.05136012021033E-14 -1.164059545148604E-12 6.83804751542178E-15 -2.296486319302345E-13 4.239506983443689E-16
tp 7.325374532292981E-13 -1.164059545148604E-12 3.014264495360163E-8 -3.803586334201421E-11 8.134295661212393E-9 -1.107655242203963E-11
node -9.980426746357672E-16 6.83804751542178E-15 -3.803586334201421E-11 3.148340485361903E-9 -3.140104662746555E-9 2.798897971422856E-10
peri 1.397242342832812E-13 -2.296486319302345E-13 8.134295661212393E-9 -3.140104662746555E-9 5.333626628510936E-9 -2.813924703024761E-10
i 4.669697113508451E-16 4.239506983443689E-16 -1.107655242203963E-11 2.798897971422856E-10 -2.813924703024761E-10 9.747404419431007E-11

[ 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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