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10814 Gnisvard (1993 FW31)
Classification: Main-belt Asteroid          SPK-ID: 2010814
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09536934770843854 4.2365e-08  
a 3.174222136841101 1.761e-08 au
q 2.87149864216888 1.3246e-07 au
i 10.9753384183653 4.2907e-06 deg
node 31.48333982300489 1.8947e-05 deg
peri 315.6010324667338 2.791e-05 deg
M 139.4145525158601 2.1806e-05 deg
tp 2458200.555219029202
(2018-Mar-23.05521903)
0.00012373 TDB
period 2065.638887423362
5.66
1.719e-05
4.706e-08
d
yr
n .1742802201255308 1.4504e-09 deg/d
Q 3.476945631513323 1.929e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2383  
   data-arc span      11194 days (30.65 yr)  
   first obs. used      1989-09-04  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45068  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:25:42  

Additional Information
 Earth MOID = 1.87855 au 
 Jupiter MOID = 2.00857 au 
 T_jup = 3.166 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.6   n/a MPO458934  
diameter diameter 9.844 km 0.260 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.200   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10814 Gnisvärd           Discovered 1993 Mar. 19 at the European Southern Observatory in the course of the Uppsala-ESO Survey of Asteroids and Comets.
Gnisvärd is a small fishing village on Gotland. One of the largest stone ships on the island, almost 50 meters in length, can be found there.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20091004/MPCPages.arcLast Updated: 2009-10-06

Alternate Designations
 1993 FW31 = 1995 SU4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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