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JPL Small-Body Database Browser
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193915 (2001 QE268)
Classification: Main-belt Asteroid          SPK-ID: 2193915
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1798197966219447 5.1354e-08  
a 2.32174657922683 1.1141e-08 au
q 1.904250581542566 1.217e-07 au
i 5.51472254699406 5.3501e-06 deg
node 187.2795247323676 4.4048e-05 deg
peri 235.0151432083409 4.583e-05 deg
M 43.59553209931003 1.0742e-05 deg
tp 2458844.019534144077
(2019-Dec-26.51953414)
3.8532e-05 TDB
period 1292.172958912549
3.54
9.3012e-06
2.547e-08
d
yr
n .2786004748953766 2.0054e-09 deg/d
Q 2.739242576911094 1.3145e-08 au
  Orbit Determination Parameters
   # obs. used (total)      362  
   data-arc span      6733 days (18.43 yr)  
   first obs. used      2001-08-20  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47151  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:11:51  

Additional Information
 Earth MOID = .923113 au 
 Jupiter MOID = 2.59776 au 
 T_jup = 3.549 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO454348  

193915 (2001 QE268)          Discovered 2001-Aug-20 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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