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JPL Small-Body Database Browser
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392951 (2012 WY18)
Classification: Main-belt Asteroid          SPK-ID: 2392951
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04084768336878153 5.879e-08  
a 2.676412757142579 4.1625e-08 au
q 2.567087496274651 1.4559e-07 au
i 22.50631299413929 7.8944e-06 deg
node 55.15168223492408 1.5338e-05 deg
peri 58.55843709981058 9.5359e-05 deg
M 120.4143072718154 9.5071e-05 deg
tp 2458065.561747559887
(2017-Nov-08.06174756)
0.00042132 TDB
period 1599.293100974523
4.38
3.731e-05
1.021e-07
d
yr
n .2250994516143635 5.2513e-09 deg/d
Q 2.785738018010506 4.3326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      5743 days (15.72 yr)  
   first obs. used      2003-10-01  
   last obs. used      2019-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60317  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:23  

Additional Information
 Earth MOID = 1.61704 au 
 Jupiter MOID = 2.35749 au 
 T_jup = 3.268 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO397431  

392951 (2012 WY18)          Discovered 2003-Oct-01 by LONEOS at Anderson Mesa
Reference: Last Updated: 2014-04-17

Alternate Designations
 2012 WY18 = 2003 UX205 = 2010 KD37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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