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JPL Small-Body Database Browser
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6539 Nohavica (1982 QG)
Classification: Main-belt Asteroid          SPK-ID: 2006539
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2024217348037809 4.3554e-08  
a 2.657824069966884 1.1116e-08 au
q 2.119822710920941 1.1472e-07 au
i 2.270008034935576 3.9533e-06 deg
node 300.6500183513924 0.00011062 deg
peri 25.17908094455 0.00011114 deg
M 262.3243296041466 1.3299e-05 deg
tp 2459429.909523525778
(2021-Aug-03.40952353)
5.9475e-05 TDB
period 1582.660531970535
4.33
9.9286e-06
2.718e-08
d
yr
n .2274650771456164 1.427e-09 deg/d
Q 3.195825429012826 1.3366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1764  
   data-arc span      18405 days (50.39 yr)  
   first obs. used      1969-09-13  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48201  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:05:49  

Additional Information
 Earth MOID = 1.10825 au 
 Jupiter MOID = 2.14651 au 
 T_jup = 3.356 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO473857  
diameter diameter 8.641 km 0.205 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.80 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 [Result based on fragmentary lightcurve(s), may be completely wrong.]
geometric albedo albedo 0.078   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6539 Nohavica           Discovered 1982 Aug. 19 by Z. Vavrova at Klet.
Named in honor of Jaromír Nohavica (b. 1945), Czech singer, poet and composer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19981208/MPCPages.arcLast Updated: 2009-11-17

Alternate Designations
 1982 QG = 1969 RJ1 = 1991 UT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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