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12716 Delft (1991 GD8)
Classification: Main-belt Asteroid          SPK-ID: 2012716
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03890019274628179 6.2525e-08  
a 3.053943555759697 2.9247e-08 au
q 2.935144562804379 1.9888e-07 au
i 9.289162466870176 7.3196e-06 deg
node 218.541129878994 3.3899e-05 deg
peri 216.5174580178683 9.5894e-05 deg
M 33.36799979857533 8.7047e-05 deg
tp 2457419.816868337403
(2016-Feb-01.31686834)
0.00047203 JED
period 1949.350509205892
5.34
2.8002e-05
7.667e-08
d
yr
n .1846768953555989 2.6529e-09 deg/d
Q 3.172742548715014 3.0384e-08 au
  Orbit Determination Parameters
   # obs. used (total)      908  
   data-arc span      9093 days (24.90 yr)  
   first obs. used      1991-04-08  
   last obs. used      2016-02-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50813  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:14:22  

Additional Information
 Earth MOID = 1.95252 au 
 Jupiter MOID = 1.99379 au 
 T_jup = 3.215 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7 mag n/a MPO365402  

12716 Delft           Discovered 1991 Apr. 8 by E. W. Elst at the European Southern Observatory.
Delft, a city dating from 1246 in the southern part of The Netherlands, is famous for its blue pottery, its typical Dutch canal system and its highly esteemed University of Technology.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080819/MPCPages.arcLast Updated: 2008-08-25

Alternate Designations
 1991 GD8 = 1998 QC69 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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