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JPL Small-Body Database Browser
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312858 (2011 UK89)
Classification: Main-belt Asteroid          SPK-ID: 2312858
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05675022734094568 1.0216e-07  
a 2.190249955828389 1.602e-08 au
q 2.065952772901632 2.1961e-07 au
i 2.912564747717089 1.0407e-05 deg
node 19.42247515468963 9.1154e-05 deg
peri 161.9348627674911 9.9994e-05 deg
M 350.0000021419659 4.2877e-05 deg
tp 2458633.387915918244
(2019-May-29.88791592)
0.00014115 TDB
period 1183.965226658098
3.24
1.299e-05
3.556e-08
d
yr
n .3040629841943489 3.3361e-09 deg/d
Q 2.314547138755146 1.693e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      6356 days (17.40 yr)  
   first obs. used      2001-10-14  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55086  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:30:10  

Additional Information
 Earth MOID = 1.06851 au 
 Jupiter MOID = 2.64352 au 
 T_jup = 3.670 
[ 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 18.0   n/a MPO418616  

312858 (2011 UK89)          Discovered 2003-Mar-23 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 UK89 = 2003 FG34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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