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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1169594589426217 4.4314e-08  
a 2.379813641440146 2.2456e-08 au
q 2.101471925553036 1.0259e-07 au
i 6.156477399558396 9.6829e-06 deg
node 173.8479966882491 5.5265e-05 deg
peri 115.4150798534317 7.1912e-05 deg
M 198.1594600869729 4.6731e-05 deg
tp 2459803.333903532136
(2022-Aug-11.83390353)
0.00017637 TDB
period 1340.950823496976
3.67
1.898e-05
5.196e-08
d
yr
n .268466220902255 3.7999e-09 deg/d
Q 2.658155357327256 2.5083e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      5969 days (16.34 yr)  
   first obs. used      2004-10-04  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6289  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:32:29  

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

[ 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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