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JPL Small-Body Database Browser
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10813 Masterby (1993 FE31)
Classification: Outer Main-belt Asteroid          SPK-ID: 2010813
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04525691463307747 3.0805e-08  
a 3.211491506718505 2.1007e-08 au
q 3.066149309754092 9.9447e-08 au
i 21.70305567337041 5.1423e-06 deg
node 181.3424007549915 9.658e-06 deg
peri 98.97591712838039 6.0385e-05 deg
M 178.4306635596998 6.058e-05 deg
tp 2457958.601090777727
(2017-Jul-24.10109078)
0.0003518 TDB
period 2102.125272848754
5.76
2.0625e-05
5.647e-08
d
yr
n .1712552551695152 1.6803e-09 deg/d
Q 3.356833703682917 2.1957e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1811  
   data-arc span      9788 days (26.80 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45413  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 22:14:05  

Additional Information
 Earth MOID = 2.12959 au 
 Jupiter MOID = 1.7551 au 
 T_jup = 3.079 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.7   n/a MPO452323  
diameter diameter 13.707 km 0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.149   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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