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JPL Small-Body Database Browser
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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2286170300435744 9.4685e-08  
a 2.530565909720461 1.1525e-08 au
q 1.952035447110653 2.4286e-07 au
i 8.236580298124114 6.9762e-06 deg
node 168.2350785073479 3.2245e-05 deg
peri 168.4356239970196 3.3604e-05 deg
M 232.5596003052281 1.1569e-05 deg
tp 2459521.010543176031
(2021-Nov-02.51054318)		 4.9518e-05 TDB
period 1470.364154476663
4.03		 1.0045e-05
2.75e-08		 d
yr
n .2448373070738605 1.6726e-09 deg/d
Q 3.109096372330268 1.416e-08 au
   Orbit Determination Parameters
   # obs. used (total)      536  
   data-arc span      9799 days (26.83 yr)  
   first obs. used      1992-03-30  
   last obs. used      2019-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63447  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:25:07  

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

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

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