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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03899587103819983 6.2635e-08  
a 3.054168928324913 2.9662e-08 au
q 2.935068950667078 1.996e-07 au
i 9.289022827048074 7.4796e-06 deg
node 218.5404131005197 3.4852e-05 deg
peri 216.414268663299 9.7577e-05 deg
M 356.5282499388947 8.9027e-05 deg
tp 2457419.301130318981
(2016-Jan-31.80113032)
0.00048206 JED
period 1949.566298179385
5.34
2.8401e-05
7.776e-08
d
yr
n .1846564542771325 2.6901e-09 deg/d
Q 3.173268905982749 3.0819e-08 au
  Orbit Determination Parameters
   # obs. used (total)      892  
   data-arc span      9019 days (24.69 yr)  
   first obs. used      1991-04-08  
   last obs. used      2015-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50503  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:21:43  

Additional Information
 Earth MOID = 1.95312 au 
 Jupiter MOID = 1.99361 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 13.6 mag n/a MPO309251  

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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