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5057 Weeks (1987 DC6)
Classification: Main-belt Asteroid          SPK-ID: 2005057
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1481270474905794 5.0921e-08  
a 3.125684973969572 2.7402e-08 AU
q 2.662686487389791 1.5664e-07 AU
i 7.005308413056525 7.2952e-06 deg
node 157.1727332465863 4.6499e-05 deg
peri 284.1588652911786 5.3679e-05 deg
M 67.371143983248 2.68e-05 deg
tp 2456622.764627659108
(2013-Nov-26.26462766)
0.00014973 JED
period 2018.441813553498
5.53
2.6542e-05
7.267e-08
d
yr
n .1783554014699162 2.3453e-09 deg/d
Q 3.588683460549353 3.146e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1193  
   data-arc span      20614 days (56.44 yr)  
   first obs. used      1959-02-08  
   last obs. used      2015-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49219  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:14:38  

Additional Information
 Earth MOID = 1.68916 AU 
 T_jup = 3.186 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.3 mag n/a MPO250256  

5057 Weeks           Discovered 1987 Feb. 22 by H. Debehogne at the European Southern Observatory.
Eric R. Weeks (b. 1970) is a Professor in the Physics Department at Emory University. His research investigates jamming in colloidal glasses and colloidal super-cooled liquids. He is known for his innovative experiments and use of con-focal microscopy, and has won distinguished awards for his work.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-06-02Last Updated: 2015-06-04

[ show close-approach data ]
Alternate Designations
 1987 DC6 = 1937 CC = 1959 CG = 1976 GM 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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