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JPL Small-Body Database Browser
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441273 (2007 WF1)
Classification: Main-belt Asteroid          SPK-ID: 2441273
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1385596743813794 2.6925e-07  
a 2.660422041618448 1.1701e-07 au
q 2.291794829814751 8.0898e-07 au
i 1.140029684778273 9.69e-06 deg
node 265.90471549 0.00063011 deg
peri 79.72717185505782 0.00063521 deg
M 283.4658048265533 8.8898e-05 deg
tp 2458937.459148180293
(2020-Mar-28.95914818)
0.00041013 TDB
period 1584.981629061306
4.34
0.00010456
2.863e-07
d
yr
n .2271319701119864 1.4984e-08 deg/d
Q 3.029049253422145 1.3322e-07 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      3362 days (9.20 yr)  
   first obs. used      2007-10-11  
   last obs. used      2016-12-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65216  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:40:01  

Additional Information
 Earth MOID = 1.28392 au 
 Jupiter MOID = 2.36806 au 
 T_jup = 3.372 
[ 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 17.8   n/a MPO349178  

441273 (2007 WF1)          Discovered 2007-Oct-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2007 WF1 = 2011 SK193 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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