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JPL Small-Body Database Browser
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442436 (2011 UE157)
Classification: Main-belt Asteroid          SPK-ID: 2442436
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1389136508586551 6.2463e-08  
a 2.885231729104047 4.9015e-08 au
q 2.484433656040974 1.8642e-07 au
i 3.292330470128758 6.8582e-06 deg
node 80.27966392058512 0.00013289 deg
peri 340.4333051743293 0.00013778 deg
M 187.6560271734448 3.9612e-05 deg
tp 2459457.464981099063
(2021-Aug-30.96498110)
0.00021394 TDB
period 1790.067782098425
4.90
4.5615e-05
1.249e-07
d
yr
n .201109702995708 5.1248e-09 deg/d
Q 3.286029802167121 5.5824e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      9625 days (26.35 yr)  
   first obs. used      1993-01-26  
   last obs. used      2019-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6449  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:11  

Additional Information
 Earth MOID = 1.49719 au 
 Jupiter MOID = 2.03059 au 
 T_jup = 3.276 
[ 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 MPO446755  

442436 (2011 UE157)          Discovered 2008-Feb-13 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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