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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04737657543914207 6.1394e-08  
a 3.212838342809859 3.8983e-08 AU
q 3.06062506468796 1.9841e-07 AU
i 21.66363398727616 8.6619e-06 deg
node 181.4413902231509 1.8016e-05 deg
peri 95.33311614781852 9.7875e-05 deg
M 199.5905927588877 9.7322e-05 deg
tp 2457937.757817085853
(2017-Jul-03.25781709)
0.00057278 JED
period 2103.447796199009
5.76
3.8283e-05
1.048e-07
d
yr
n .171147580011508 3.1149e-09 deg/d
Q 3.365051620931758 4.083e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      851  
   data-arc span      7983 days (21.86 yr)  
   first obs. used      1993-03-19  
   last obs. used      2015-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47492  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:30:13  

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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