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27978 Lubosluka (1997 UN9)
Classification: Main-belt Asteroid          SPK-ID: 2027978
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1362484091348126 3.6391e-08  
a 2.630407912355384 9.0858e-09 au
q 2.272019018921339 9.538e-08 au
i 1.449256065605877 3.9984e-06 deg
node 333.455754794613 0.00012972 deg
peri 350.6074193748882 0.00013036 deg
M 210.8654396270491 1.4349e-05 deg
tp 2459846.018774212647
(2022-Sep-23.51877421)
6.3479e-05 TDB
period 1558.235449485401
4.27
8.0735e-06
2.21e-08
d
yr
n .2310305545409636 1.197e-09 deg/d
Q 2.988796805789429 1.0324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1902  
   data-arc span      8574 days (23.47 yr)  
   first obs. used      1997-10-01  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51659  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:08:36  

Additional Information
 Earth MOID = 1.25788 au 
 Jupiter MOID = 2.31385 au 
 T_jup = 3.386 
[ 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 14.70   n/a MPCxxxxx  
rotation period rot_per 4.68 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

27978 Lubosluka           Discovered 1997 Oct. 29 by L. Šarounová at Ondřejov.
A significant number of the compositions of Luboš Sluka (b. 1928) were intended for children. For many years he was the editor-in-chief of a musical publishing firm.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030501/MPCPages.arcLast Updated: 2003-10-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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