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441276 (2007 WR12)
Classification: Main-belt Asteroid          SPK-ID: 2441276
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 .2934770326314075 1.2943e-07  
a 2.627180903292668 6.8532e-08 au
q 1.856163647608435 3.8379e-07 au
i 3.220221147944356 1.1685e-05 deg
node 315.6307288511568 0.00010341 deg
peri 90.36295142964717 0.00011193 deg
M .2936229383074577 5.5078e-05 deg
tp 2458999.231411195425
(2020-May-29.73141120)
0.00023792 TDB
period 1555.368842364918
4.26
6.0859e-05
1.666e-07
d
yr
n .2314563531134035 9.0566e-09 deg/d
Q 3.398198158976901 8.8644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      5707 days (15.62 yr)  
   first obs. used      2004-02-11  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54677  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:56:32  

Additional Information
 Earth MOID = .869101 au 
 Jupiter MOID = 2.03143 au 
 T_jup = 3.337 
[ 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 17.2   n/a MPO495186  

441276 (2007 WR12)          Discovered 2007-Nov-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2007 WR12 = 2007 YE57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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