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442461 (2011 UJ266)
Classification: Main-belt Asteroid          SPK-ID: 2442461
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2913672614219328 9.6534e-08  
a 2.592505464708361 3.4465e-08 au
q 1.837134247234891 2.7234e-07 au
i 3.696454750984622 3.9692e-06 deg
node 76.29716830215379 7.7969e-05 deg
peri 283.2766896687283 8.0701e-05 deg
M 52.66099358926275 9.0346e-06 deg
tp 2458777.469377869421
(2019-Oct-20.96937787)
4.0025e-05 TDB
period 1524.677346448304
4.17
3.0404e-05
8.324e-08
d
yr
n .2361155301733909 4.7085e-09 deg/d
Q 3.347876682181831 4.4508e-08 au
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      5857 days (16.04 yr)  
   first obs. used      2004-01-13  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49721  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:41:10  

Additional Information
 Earth MOID = .838219 au 
 Jupiter MOID = 2.11301 au 
 T_jup = 3.355 
[ 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 17.2   n/a MPO440832  

442461 (2011 UJ266)          Discovered 2011-Oct-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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