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13993 Clemenssimmer (1993 FN9)
Classification: Main-belt Asteroid          SPK-ID: 2013993
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05278422945710919 3.5775e-08  
a 2.337462322582831 8.398e-09 au
q 2.214081175000271 8.2529e-08 au
i 4.043025123622625 3.9363e-06 deg
node 46.91676836903611 7.0337e-05 deg
peri 51.41833901159261 8.6793e-05 deg
M 297.841219335995 5.1074e-05 deg
tp 2459225.879982848652
(2021-Jan-11.37998285)
0.00018557 TDB
period 1305.31508113221
3.57
7.0346e-06
1.926e-08
d
yr
n .2757954804963578 1.4863e-09 deg/d
Q 2.46084347016539 8.8413e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1252  
   data-arc span      10247 days (28.05 yr)  
   first obs. used      1991-10-13  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53375  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 23:02:23  

Additional Information
 Earth MOID = 1.23349 au 
 Jupiter MOID = 2.60323 au 
 T_jup = 3.561 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO279663  
diameter diameter 2.663 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.300   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13993 Clemenssimmer           Discovered 1993 Mar. 17 at the European Southern Observatory in the course of the Uppsala-ESO Survey of Asteroids and Comets.
Clemens Simmer (b. 1954), a German meteorologist, works on radiative transport theory and remote sensing for meteorological applications.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010509/MPCPages.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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