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JPL Small-Body Database Browser
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300808 (2007 WM12)
Classification: Main-belt Asteroid          SPK-ID: 2300808
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1187638524278924 5.5573e-08  
a 2.691781988468644 3.9802e-08 au
q 2.372095589622095 1.5478e-07 au
i 10.93710764467809 6.6963e-06 deg
node 98.84178585741333 3.5746e-05 deg
peri 297.1867766881702 4.9738e-05 deg
M 229.8862153128417 3.7856e-05 deg
tp 2459183.514102358225
(2020-Nov-30.01410236)
0.0001775 TDB
period 1613.088708114996
4.42
3.5778e-05
9.795e-08
d
yr
n .2231743351676452 4.95e-09 deg/d
Q 3.011468387315193 4.4529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      5219 days (14.29 yr)  
   first obs. used      2003-12-28  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61521  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:59:58  

Additional Information
 Earth MOID = 1.40298 au 
 Jupiter MOID = 2.39586 au 
 T_jup = 3.335 
[ 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 16.3   n/a MPO437340  

300808 (2007 WM12)          Discovered 2007-Nov-17 by CSS at Catalina
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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