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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1359065273322413 3.9099e-08  
a 2.630670547578104 9.5582e-09 au
q 2.273145248901558 1.0197e-07 au
i 1.448971612214148 4.1919e-06 deg
node 333.4702129318295 0.0001397 deg
peri 350.483036757123 0.00014035 deg
M 72.42105666584557 1.4415e-05 deg
tp 2458286.983445924822
(2018-Jun-17.48344592)
6.1932e-05 TDB
period 1558.46883024413
4.27
8.4937e-06
2.325e-08
d
yr
n .2309959577078015 1.2589e-09 deg/d
Q 2.98819584625465 1.0857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1701  
   data-arc span      8102 days (22.18 yr)  
   first obs. used      1997-10-01  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52652  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:43:07  

Additional Information
 Earth MOID = 1.26006 au 
 Jupiter MOID = 2.31182 au 
 T_jup = 3.386 
[ 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 14.7   n/a MPO319431  
rotation period rot_per 4.68 h n/a LCDB (Rev. 2019-January); 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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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