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173893 (2001 UB103)
Classification: Main-belt Asteroid          SPK-ID: 2173893
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06959530006564481 6.3704e-08  
a 3.02381753395345 2.9107e-08 au
q 2.813374045334201 1.923e-07 au
i 12.84296925273955 7.4166e-06 deg
node 42.88968956072591 1.6932e-05 deg
peri 18.63512118103504 3.7407e-05 deg
M 164.5072247395607 3.5708e-05 deg
tp 2458122.864315134039
(2018-Jan-04.36431513)
0.00018639 TDB
period 1920.577330581922
5.26
2.7731e-05
7.592e-08
d
yr
n .1874436370083169 2.7065e-09 deg/d
Q 3.234261022572699 3.1133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      336  
   data-arc span      6814 days (18.66 yr)  
   first obs. used      2001-10-20  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59333  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:16:23  

Additional Information
 Earth MOID = 1.82787 au 
 Jupiter MOID = 2.1033 au 
 T_jup = 3.204 
[ 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 15.5   n/a MPO433118  

173893 (2001 UB103)          Discovered 2001-Oct-20 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 UB103 = 2004 GS86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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