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10954 Spiegel (4545 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2010954
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03134073077095826 5.9623e-08  
a 2.944752540612128 2.0868e-08 AU
q 2.852461844049708 1.8206e-07 AU
i 1.392056045188457 6.3837e-06 deg
node 198.9435642192509 0.00025941 deg
peri 93.25262280457348 0.0002817 deg
M 288.943144641916 0.00011376 deg
tp 2457164.813376532824
(2015-May-22.31337653)
0.0005839 JED
period 1845.744719364303
5.05
1.962e-05
5.372e-08
d
yr
n .1950432235959415 2.0732e-09 deg/d
Q 3.037043237174548 2.1522e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      973  
   data-arc span      19554 days (53.54 yr)  
   first obs. used      1960-09-24  
   last obs. used      2014-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56327  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:59:27  

Additional Information
 Earth MOID = 1.83603 AU 
 T_jup = 3.270 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO263448  

10954 Spiegel           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Beate Spiegel (b. 1960) serves as head of the office of the Klaus Tschira Foundation. She was instrumental in supporting the project "Digitization of the Palomar-Leiden Survey and the T- n Trojan Surveys" of the van Houtens. The name was suggested by L. D. Schmadel.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060613/MPCPages.arcLast Updated: 2008-05-22

Alternate Designations
 4545 P-L = 1990 RK6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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