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100123 (1993 QU5)
Classification: Main-belt Asteroid          SPK-ID: 2100123
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2286169496689425 9.4515e-08  
a 2.530565910925958 1.1348e-08 au
q 1.952035651433856 2.4252e-07 au
i 8.236594921154753 6.6605e-06 deg
node 168.2350258444028 2.8564e-05 deg
peri 168.4357070290167 2.9867e-05 deg
M 232.5595754842983 1.136e-05 deg
tp 2459521.010644925205
(2021-Nov-02.51064493)		 4.8814e-05 TDB
period 1470.364155527328
4.03		 9.8902e-06
2.708e-08		 d
yr
n .2448373068989092 1.6469e-09 deg/d
Q 3.109096170418059 1.3942e-08 au
   Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      10256 days (28.08 yr)  
   first obs. used      1992-03-30  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61285  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:50:01  

Additional Information
 Earth MOID = .943728 au 
 Jupiter MOID = 2.29817 au 
 T_jup = 3.400 
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[ 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 15.7   n/a MPO432530  

100123 (1993 QU5)          Discovered 1993-Aug-17 by Elst, E. W. at Caussols
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1993 QU5 = 2001 OQ87 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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