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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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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 
[ 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2053-Jun-19 09:38 00:15 David 0.0475686858019368 0.0475105591321208 0.0476268905042875 5.58085506964486 5.58085501273846 2471072.901550188 14.7688098788306 4199.29502194473 75.5857985444638 -46.3468424255372 68095.9026426185 T 13 CATAB v2.0f-lin.ifort 2021-Feb-24 20:33:30 2021-Feb-24 20:33
2145-Nov-06 23:01 00:05 Eunom 0.0455439102725269 0.0452452712035648 0.0458425518269497 6.67858295849961 6.67858291234881 2504815.459196694 4.6304090421289 14896.6931165034 101.819391876663 -2.07905320022441 2468.08739715774 T 13 CATAB v2.0f-lin.ifort 2021-Feb-24 20:33:30 2021-Feb-24 20:33

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