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JPL Small-Body Database Browser
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442753 (2012 WK27)
Classification: Main-belt Asteroid          SPK-ID: 2442753
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1994948030840374 1.4012e-07  
a 2.6247245874836 4.145e-08 au
q 2.101105672753728 3.7757e-07 au
i 12.59653267510168 1.1316e-05 deg
node 256.0666422492606 3.7061e-05 deg
peri 132.1223067208615 4.2417e-05 deg
M 211.2314730373689 1.8269e-05 deg
tp 2459242.348600105318
(2021-Jan-27.84860011)
8.5609e-05 TDB
period 1553.188034831826
4.25
3.6792e-05
1.007e-07
d
yr
n .2317813374341244 5.4905e-09 deg/d
Q 3.148343502213472 4.9719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      5726 days (15.68 yr)  
   first obs. used      2003-09-27  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58053  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:57  

Additional Information
 Earth MOID = 1.12925 au 
 Jupiter MOID = 2.35092 au 
 T_jup = 3.341 
[ 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 16.5   n/a MPO437722  

442753 (2012 WK27)          Discovered 2008-Nov-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2012 WK27 = 2012 XD117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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