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15870 Oburka (1996 QD)
Classification: Main-belt Asteroid          SPK-ID: 2015870
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1673141394197605 3.375e-08  
a 2.6379666032931 1.101e-08 au
q 2.196597491245046 8.9893e-08 au
i 11.40845971649485 3.7194e-06 deg
node 208.755388056386 1.9185e-05 deg
peri 86.32288361914297 2.2324e-05 deg
M 266.6207772779842 1.3474e-05 deg
tp 2459606.429038707382
(2022-Jan-26.92903871)
5.9686e-05 TDB
period 1564.956846660534
4.28
9.7975e-06
2.682e-08
d
yr
n .2300382919619829 1.4402e-09 deg/d
Q 3.079335715341153 1.2852e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1405  
   data-arc span      8977 days (24.58 yr)  
   first obs. used      1996-08-16  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49474  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:11:43  

Additional Information
 Earth MOID = 1.21524 au 
 Jupiter MOID = 2.19457 au 
 T_jup = 3.349 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.54   n/a E2021B10  

15870 Ob{u°}rka           Discovered 1996 Aug. 16 by P. Pravec at Ondřejov.
Oto Ob{u°}rka (1909-1982), professor at Brno University of Technology, founded the Nicholas Copernicus Observatory there and led it for 20 years. He established a program, aimed at young amateurs, for monitoring short-period variable stars. He was an honorary president of the International Union of Amateur Astronomers.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001013/MPCPages.arcLast Updated: 2013-03-29

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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