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10813 Masterby (1993 FE31)
Classification: Outer Main-belt Asteroid          SPK-ID: 2010813
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04737657350396549 6.1135e-08  
a 3.212838341569945 3.8769e-08 AU
q 3.060625069724198 1.979e-07 AU
i 21.66363132852846 8.5303e-06 deg
node 181.4413872105986 1.7936e-05 deg
peri 95.33312605991308 9.6828e-05 deg
M 199.5905862279899 9.6491e-05 deg
tp 2457937.757854702737
(2017-Jul-03.25785470)
0.00056819 JED
period 2103.447794981349
5.76
3.8073e-05
1.042e-07
d
yr
n .1711475801105832 3.0978e-09 deg/d
Q 3.365051613415692 4.0605e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      874  
   data-arc span      8006 days (21.92 yr)  
   first obs. used      1993-03-19  
   last obs. used      2015-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47674  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:24:06  

Additional Information
 Earth MOID = 2.13203 AU 
 T_jup = 3.078 
[ 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 12.5 mag n/a MPO319221  

10813 Mästerby           Discovered 1993 Mar. 19 at the European Southern Observatory in the course of the Uppsala-ESO Survey of Asteroids and Comets.
In the Mästerby parish on Gotland a beautiful rural meadow can still be seen, like those formerly seen all over the island.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

[ show close-approach data ]
Alternate Designations
 1993 FE31 = 1995 SD3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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