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442265 (2011 QF38)
Classification: Main-belt Asteroid          SPK-ID: 2442265
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07535784022906182 1.5335e-07  
a 2.462216004238009 3.2383e-08 au
q 2.276668723981202 3.5933e-07 au
i 9.969873089572721 9.1268e-06 deg
node 327.382021016038 2.9152e-05 deg
peri 359.6334461214065 5.5707e-05 deg
M 152.7339939651792 5.4262e-05 deg
tp 2458601.784006609874
(2019-Apr-28.28400661)
0.00020388 TDB
period 1411.197023169475
3.86
2.784e-05
7.622e-08
d
yr
n .2551025789378856 5.0327e-09 deg/d
Q 2.647763284494816 3.4824e-08 au
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      4921 days (13.47 yr)  
   first obs. used      2007-09-14  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54621  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:43:38  

Additional Information
 Earth MOID = 1.26306 au 
 Jupiter MOID = 2.64011 au 
 T_jup = 3.464 
[ 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 17.16   n/a MPCxxxxx  

442265 (2011 QF38)          Discovered 2007-Sep-14 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 QF38 = 2010 JE2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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