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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1361124137380243 3.862e-08  
a 2.630746500564345 9.5199e-09 au
q 2.272669244439671 1.0052e-07 au
i 1.449187903939572 4.0568e-06 deg
node 333.4558783806821 0.00013646 deg
peri 350.5595662909839 0.00013708 deg
M 164.7241799775361 1.4324e-05 deg
tp 2458287.364949657716
(2018-Jun-17.86494966)
6.0763e-05 TDB
period 1558.536325135951
4.27
8.4598e-06
2.316e-08
d
yr
n .230985954060838 1.2538e-09 deg/d
Q 2.988823756689019 1.0816e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1802  
   data-arc span      8159 days (22.34 yr)  
   first obs. used      1997-10-01  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52064  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:14:09  

Additional Information
 Earth MOID = 1.26048 au 
 Jupiter MOID = 2.31389 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-August); 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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