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JPL Small-Body Database Browser
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312838 (2011 UL17)
Classification: Outer Main-belt Asteroid          SPK-ID: 2312838
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1135766253390487 6.1909e-08  
a 3.232571705217186 4.5549e-08 au
q 2.865427119772124 2.0039e-07 au
i 5.17665142878426 8.4747e-06 deg
node 35.64434985542137 7.6646e-05 deg
peri 74.44365708480466 8.7282e-05 deg
M 54.49421219433187 3.9026e-05 deg
tp 2458279.157213409264
(2018-Jun-09.65721341)
0.0002299 TDB
period 2122.856694581181
5.81
4.4869e-05
1.228e-07
d
yr
n .1695828083539216 3.5843e-09 deg/d
Q 3.599716290662248 5.0723e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      8467 days (23.18 yr)  
   first obs. used      1996-03-23  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62506  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:26  

Additional Information
 Earth MOID = 1.88802 au 
 Jupiter MOID = 1.53895 au 
 T_jup = 3.169 
[ 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 15.8   n/a MPO434005  

312838 (2011 UL17)          Discovered 2002-Apr-08 by NEAT at Palomar
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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