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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457787.5 (2017-Feb-03.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1177120102800441 4.5e-08  
q 2.098827599947348 1.0349e-07 au
tp 2457122.517110487621
(2015-Apr-10.01711049)
0.00019013 TDB
node 173.8893925430174 6.0981e-05 deg
peri 115.4756496917522 8.0395e-05 deg
i 6.158756757735472 1.1e-05 deg
  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
 Jupiter MOID = 2.49944 au 
 T_jup = 3.522 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.025027503422833E-15 -4.573015230128806E-15 -9.591457412239637E-14 -4.834375078117127E-15 -3.166145558731975E-14 -1.1680428754612E-16
q -4.573015230128806E-15 1.070960675334526E-14 6.217066930236905E-14 1.76624273613696E-14 7.342095837829319E-14 2.27075543529432E-15
tp -9.591457412239637E-14 6.217066930236905E-14 3.614872413385697E-8 -1.170646756816548E-10 9.994206285829866E-9 -2.979958709489431E-11
node -4.834375078117127E-15 1.76624273613696E-14 -1.170646756816548E-10 3.718697881223854E-9 -3.727476801490442E-9 3.957269697240665E-10
peri -3.166145558731975E-14 7.342095837829319E-14 9.994206285829866E-9 -3.727476801490442E-9 6.463303871958728E-9 -4.012631889368856E-10
i -1.1680428754612E-16 2.27075543529432E-15 -2.979958709489431E-11 3.957269697240665E-10 -4.012631889368856E-10 1.209963384412629E-10

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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