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10554 Vasterhejde (1993 FO34)
Classification: Outer Main-belt Asteroid          SPK-ID: 2010554
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1503580612569621 2.8054e-08  
a 3.206067194059847 1.6006e-08 au
q 2.72400914650146 9.2378e-08 au
i 7.416847826369975 4.3008e-06 deg
node 172.73048527254 2.411e-05 deg
peri 97.26090761387862 2.7858e-05 deg
M 277.3217794505031 1.4441e-05 deg
tp 2459878.055089647472
(2022-Oct-25.55508965)
8.5223e-05 TDB
period 2096.801686355897
5.74
1.5702e-05
4.299e-08
d
yr
n .1716900565001244 1.2857e-09 deg/d
Q 3.688125241618235 1.8412e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2012  
   data-arc span      10300 days (28.20 yr)  
   first obs. used      1993-03-19  
   last obs. used      2021-05-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48501  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 13:00:38  

Additional Information
 Earth MOID = 1.721 au 
 Jupiter MOID = 1.48917 au 
 T_jup = 3.162 
[ 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 13.5   n/a MPO492873  
diameter diameter 10.966 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 20.9501 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.077   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10554 Västerhejde           Discovered 1993 Mar. 19 at the European Southern Observatory in the course of the Uppsala-ESO Survey of Asteroids and Comets.
Västerhejde is a parish on the west coast of Gotland. Its church, originating from the thirteenth century, is the only one on Gotland with a church tower of a type normally found only in the southern provinces of Sweden.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080520/MPCPages.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 1993 FO34 = 1994 MA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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