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5552 Studnicka (1982 SJ1)
Classification: Main-belt Asteroid          SPK-ID: 2005552
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2426306114130115 5.6372e-08  
a 2.779741091452713 2.0254e-08 AU
q 2.105290810863669 1.5875e-07 AU
i 8.221052202790966 7.5147e-06 deg
node 174.5336744755657 4.1815e-05 deg
peri 249.8634017220228 4.4622e-05 deg
M 265.1446984924519 1.7303e-05 deg
tp 2457246.529984774755
(2015-Aug-12.02998477)
8.365e-05 JED
period 1692.797260321127
4.63
1.8501e-05
5.065e-08
d
yr
n .2126657506119234 2.3243e-09 deg/d
Q 3.454191372041756 2.5168e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      936  
   data-arc span      30222 days (82.74 yr)  
   first obs. used      1931-10-06  
   last obs. used      2014-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50998  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:12:18  

Additional Information
 Earth MOID = 1.13386 AU 
 T_jup = 3.275 
[ 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 12.7 mag n/a MPO263397  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

5552 Studnicka           Discovered 1982 Sept. 16 by A. Mrkos at Klet.
Named in memory of Frantisek Josef Studnicka (1836-1903), professor of mathematics at Charles University in Prague, also active in astronomy and meteorology. He was known as the author of several textbooks and popular articles. He started his work as a lecturer in Ceské Budejovice (1862-1864). Name suggested by J. Ticha and M. Solc.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19980211/MPCPages.arcLast Updated: 2009-11-17

[ show close-approach data ]
Alternate Designations
 1982 SJ1 = 1931 TX = 1973 UT4 = 1973 YF = 1991 RR 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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