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442752 (2012 WA25)
Classification: Main-belt Asteroid          SPK-ID: 2442752
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1962615074529745 1.2045e-07  
a 2.622578865319072 5.5125e-08 au
q 2.10786758379724 3.5098e-07 au
i 31.47813085365371 1.065e-05 deg
node 301.7970037718546 1.1495e-05 deg
peri 130.8673779736523 2.8794e-05 deg
M 295.4858500080037 1.9502e-05 deg
tp 2459278.499324870555
(2021-Mar-04.99932487)
8.51e-05 TDB
period 1551.28381860128
4.25
4.891e-05
1.339e-07
d
yr
n .232065851318294 7.3168e-09 deg/d
Q 3.137290146840904 6.5944e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      4209 days (11.52 yr)  
   first obs. used      2009-01-20  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53285  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 00:53:26  

Additional Information
 Earth MOID = 1.19799 au 
 Jupiter MOID = 2.19567 au 
 T_jup = 3.171 
[ 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 15.7   n/a MPO434644  

442752 (2012 WA25)          Discovered 2009-Jan-20 by CSS at Catalina
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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