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392938 (2012 WP1)
Classification: Main-belt Asteroid          SPK-ID: 2392938
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03555044640197145 6.819e-08  
a 2.524363913333254 3.7151e-08 au
q 2.434621649333229 1.7369e-07 au
i 2.558656728771635 6.7682e-06 deg
node 56.15958233160426 0.0002073 deg
peri 205.3049202948932 0.00024788 deg
M 108.51997596706 0.00013525 deg
tp 2458558.895429338223
(2019-Mar-16.39542934)
0.00055131 TDB
period 1464.962040596983
4.01
3.234e-05
8.854e-08
d
yr
n .2457401557335215 5.4249e-09 deg/d
Q 2.614106177333279 3.8472e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      5871 days (16.07 yr)  
   first obs. used      2002-02-20  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57798  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:09:12  

Additional Information
 Earth MOID = 1.4194 au 
 Jupiter MOID = 2.38629 au 
 T_jup = 3.452 
[ 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 17.5   n/a MPO434458  

392938 (2012 WP1)          Discovered 2002-Feb-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2012 WP1 = 2006 ED51 = 2014 DF138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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