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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1377855693441243 7.5623e-08  
a 2.658304277432629 2.6885e-08 au
q 2.292028309076653 1.924e-07 au
i 1.140442688302903 6.0707e-06 deg
node 265.9025923057753 0.00033732 deg
peri 79.86400774337689 0.00034255 deg
M 14.21046194683972 4.6063e-05 deg
tp 2458938.009908980759
(2020-Mar-29.50990898)
0.00020254 TDB
period 1583.089476688664
4.33
2.4016e-05
6.575e-08
d
yr
n .2274034445311388 3.4498e-09 deg/d
Q 3.024580245788605 3.0589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      4780 days (13.09 yr)  
   first obs. used      2007-10-11  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61609  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 07:03:48  

Additional Information
 Earth MOID = 1.2851 au 
 Jupiter MOID = 2.3757 au 
 T_jup = 3.373 
[ 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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