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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2287456328588731 9.452e-08  
a 2.530395745401865 1.1306e-08 au
q 1.951578769236516 2.4255e-07 au
i 8.236941188378822 6.6607e-06 deg
node 168.2363103889783 2.8564e-05 deg
peri 168.4452824542116 2.9865e-05 deg
M 281.5300148898672 1.1579e-05 deg
tp 2459520.966154755962
(2021-Nov-02.46615476)
4.8791e-05 TDB
period 1470.215848138969
4.03
9.8539e-06
2.698e-08
d
yr
n .2448620047564415 1.6411e-09 deg/d
Q 3.109212721567215 1.3893e-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 = .941409 au 
 Jupiter MOID = 2.29853 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 15.73   n/a E2021B55  

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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