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JPL Small-Body Database Browser
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437221 (2012 WF25)
Classification: Main-belt Asteroid          SPK-ID: 2437221
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .08805700121197098 1.2943e-07  
a 3.184901243366934 6.9516e-08 au
q 2.904448390719764 4.1537e-07 au
i 17.2054557045156 1.2991e-05 deg
node 84.42864816313559 3.207e-05 deg
peri 310.208048656332 6.8769e-05 deg
M 83.71419575722814 6.3698e-05 deg
tp 2458117.731426870782
(2017-Dec-30.23142687)
0.00036832 TDB
period 2076.07186277618
5.68
6.7971e-05
1.861e-07
d
yr
n .1734044020608218 5.6773e-09 deg/d
Q 3.465354096014104 7.5637e-08 au
  Orbit Determination Parameters
   # obs. used (total)      75  
   data-arc span      6224 days (17.04 yr)  
   first obs. used      2001-12-20  
   last obs. used      2019-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68087  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:18:09  

Additional Information
 Earth MOID = 1.94405 au 
 Jupiter MOID = 1.92334 au 
 T_jup = 3.123 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO428068  

437221 (2012 WF25)          Discovered 2009-Apr-17 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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