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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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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1361124130793081 3.8884e-08  
a 2.630746500644532 9.5708e-09 au
q 2.272669246241859 1.0133e-07 au
i 1.449187579153324 4.1264e-06 deg
node 333.4558685752683 0.0001383 deg
peri 350.5595757245827 0.00013894 deg
M 164.7241802646192 1.4437e-05 deg
tp 2458287.364948382251
(2018-Jun-17.86494838)
6.1316e-05 TDB
period 1558.536325207209
4.27
8.505e-06
2.329e-08
d
yr
n .230985954050277 1.2605e-09 deg/d
Q 2.988823755047205 1.0873e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1746  
   data-arc span      8132 days (22.26 yr)  
   first obs. used      1997-10-01  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52563  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 02:58:44  

Additional Information
 Earth MOID = 1.26048 au 
 Jupiter MOID = 2.31389 au 
 T_jup = 3.386 
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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

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