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JPL Small-Body Database Browser
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392945 (2012 WN9)
Classification: Main-belt Asteroid          SPK-ID: 2392945
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05920784280894682 9.3135e-08  
a 2.594155558697578 3.7905e-08 au
q 2.440561204156256 2.5063e-07 au
i 8.782638190078718 1.0527e-05 deg
node 257.1798501855316 5.0952e-05 deg
peri 165.8882820397747 8.8203e-05 deg
M 201.7778492616062 7.1412e-05 deg
tp 2459271.244673097067
(2021-Feb-25.74467310)
0.00030635 TDB
period 1526.133232218478
4.18
3.3449e-05
9.158e-08
d
yr
n .2358902829713515 5.1701e-09 deg/d
Q 2.7477499132389 4.0149e-08 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      6238 days (17.08 yr)  
   first obs. used      2001-02-20  
   last obs. used      2018-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52017  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:52:11  

Additional Information
 Earth MOID = 1.4548 au 
 Jupiter MOID = 2.48309 au 
 T_jup = 3.399 
[ 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 16.1   n/a MPO434458  

392945 (2012 WN9)          Discovered 2008-Dec-21 by LINEAR at Socorro
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2012 WN9 = 2008 YZ26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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