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JPL Small-Body Database Browser
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359827 (2011 US311)
Classification: Main-belt Asteroid          SPK-ID: 2359827
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1820146810752095 7.1942e-08  
a 3.166416281929677 5.45e-08 au
q 2.590082032222896 2.28e-07 au
i 9.716168027465963 9.0937e-06 deg
node 221.9011418682912 4.9558e-05 deg
peri 276.1582309092898 5.6649e-05 deg
M 113.4992632750492 2.5338e-05 deg
tp 2458351.654968056183
(2018-Aug-21.15496806)
0.00014151 TDB
period 2058.024032576459
5.63
5.3134e-05
1.455e-07
d
yr
n .1749250709911841 4.5162e-09 deg/d
Q 3.742750531636458 6.442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      6236 days (17.07 yr)  
   first obs. used      2002-04-05  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64871  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:31:02  

Additional Information
 Earth MOID = 1.62585 au 
 Jupiter MOID = 1.49434 au 
 T_jup = 3.155 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO434269  

359827 (2011 US311)          Discovered 2008-Mar-31 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2011 US311 = 2008 FU129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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