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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2933838638684499 1.297e-07  
a 2.628426202137245 6.9232e-08 au
q 1.857288367061145 3.8512e-07 au
i 3.218915931174589 1.1681e-05 deg
node 315.6396591293108 0.00010346 deg
peri 90.24690352814497 0.00011194 deg
M 267.8222808926383 5.1622e-05 deg
tp 2458999.034171930184
(2020-May-29.53417193)
0.00023781 TDB
period 1556.474854056222
4.26
6.1496e-05
1.684e-07
d
yr
n .2312918831048434 9.1383e-09 deg/d
Q 3.399564037213346 8.9544e-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 = .869684 au 
 Jupiter MOID = 2.0288 au 
 T_jup = 3.336 
[ 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 17.4   n/a MPO361005  

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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