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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .299024686170998 1.0639e-07  
a 2.639528491019592 3.6154e-08 au
q 1.850244312353051 2.9327e-07 au
i 3.481425793885772 7.0815e-06 deg
node 73.65751908824143 0.00021972 deg
peri 287.6066533897969 0.00022098 deg
M 288.2545543781004 2.3986e-05 deg
tp 2458912.661827598671
(2020-Mar-04.16182760)
0.00010874 TDB
period 1566.346922252846
4.29
3.2182e-05
8.811e-08
d
yr
n .2298341413932867 4.7221e-09 deg/d
Q 3.428812669686134 4.6965e-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 = .850283 au 
 Jupiter MOID = 2.02961 au 
 T_jup = 3.328 
[ 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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