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13658 Sylvester (1997 FB)
Classification: Main-belt Asteroid          SPK-ID: 2013658
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1597322509665888 2.7061e-08  
a 2.177646718796183 6.4414e-09 au
q 1.829806306592862 5.7309e-08 au
i 3.918484568173929 3.7636e-06 deg
node 180.9717863791718 4.6887e-05 deg
peri 69.10972486732764 4.8892e-05 deg
M 81.06159283924013 1.3255e-05 deg
tp 2458936.203022112938
(2020-Mar-27.70302211)
4.3263e-05 TDB
period 1173.760701051555
3.21
5.2079e-06
1.426e-08
d
yr
n .3067064689399476 1.3608e-09 deg/d
Q 2.525487130999504 7.4703e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1457  
   data-arc span      9212 days (25.22 yr)  
   first obs. used      1995-10-18  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51104  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:04:36  

Additional Information
 Earth MOID = .818859 au 
 Jupiter MOID = 2.50486 au 
 T_jup = 3.664 
[ 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 15.52   n/a E2021B10  
diameter diameter 2.275 km 0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.267   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13658 Sylvester           Discovered 1997 Mar. 18 by P. G. Comba at Prescott.
James Joseph Sylvester (1814-1897) studied at Cambridge and was the founder, together with Cayley, of the theory of algebraic invariants. He taught at University College, London; at Johns Hopkins University (1877-1883), where he helped establish a graduate program in mathematics; and finally at Oxford.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000523/MPCPages.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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