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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2913464764375301 1.0565e-07  
a 2.592575691786457 3.8763e-08 au
q 1.837237899086881 2.9913e-07 au
i 3.696597269189431 4.0529e-06 deg
node 76.29761713812103 7.85e-05 deg
peri 283.2293889415231 8.1482e-05 deg
M 318.2433413896522 9.9724e-06 deg
tp 2458777.355606570620
(2019-Oct-20.85560657)
4.0378e-05 TDB
period 1524.73929869584
4.17
3.4196e-05
9.362e-08
d
yr
n .2361059364757765 5.2953e-09 deg/d
Q 3.347913484486034 5.0057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      5771 days (15.80 yr)  
   first obs. used      2004-01-13  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51392  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:00:57  

Additional Information
 Earth MOID = .837441 au 
 Jupiter MOID = 2.10934 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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