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JPL Small-Body Database Browser
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442402 (2011 UF57)
Classification: Main-belt Asteroid          SPK-ID: 2442402
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2985839139310079 1.0646e-07  
a 2.637839224477293 3.5458e-08 au
q 1.850222864512129 2.9269e-07 au
i 3.480833830498688 7.0854e-06 deg
node 73.6526942930183 0.00021982 deg
peri 287.683361870409 0.00022109 deg
M 20.15578166762561 2.5368e-05 deg
tp 2458912.887100305017
(2020-Mar-04.38710030)
0.00010905 TDB
period 1564.843498024932
4.28
3.1552e-05
8.638e-08
d
yr
n .2300549546675908 4.6386e-09 deg/d
Q 3.425455584442458 4.6045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      6733 days (18.43 yr)  
   first obs. used      1998-08-30  
   last obs. used      2017-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54727  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:29:00  

Additional Information
 Earth MOID = .851141 au 
 Jupiter MOID = 2.03656 au 
 T_jup = 3.329 
[ 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 17.3   n/a MPO402746  

442402 (2011 UF57)          Discovered 2011-Sep-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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