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5589 Demeis (1990 SD14)
Classification: Main-belt Asteroid          SPK-ID: 2005589
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04075276940447445 5.5658e-08  
a 2.749065454868468 2.5449e-08 AU
q 2.637033424308406 1.4602e-07 AU
i 2.015866999827053 6.4574e-06 deg
node 218.957232015962 0.00016648 deg
peri 40.00698833190065 0.00019606 deg
M 205.6779417123583 0.00010837 deg
tp 2457714.176758669242
(2016-Nov-21.67675867)
0.00050375 JED
period 1664.853592362316
4.56
2.3118e-05
6.329e-08
d
yr
n .2162352303238773 3.0026e-09 deg/d
Q 2.861097485428529 2.6486e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1152  
   data-arc span      21253 days (58.19 yr)  
   first obs. used      1955-12-12  
   last obs. used      2014-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50045  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:13:47  

Additional Information
 Earth MOID = 1.6237 AU 
 T_jup = 3.344 
[ 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 13.3 mag n/a MPO267730  

5589 Demeis           Discovered 1990 Sept. 23 by H. Debehogne at the European Southern Observatory.
Salvatore De Meis (b. 1930), of Milan, is engaged in the application of astronomical calculations to the dating of historical events, particularly of Babylonian astronomy. The name was suggested by J. Meeus.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050721/MPCPages.arcLast Updated: 2005-07-21

[ show close-approach data ]
Alternate Designations
 1990 SD14 = 1970 ED3 = 1975 GY = 1990 UY13 = 1993 FN2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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