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JPL Small-Body Database Browser
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5514 Karelraska (1989 BN1)
Classification: Main-belt Asteroid          SPK-ID: 2005514
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1757883341385258 3.3861e-08  
a 2.562921930382082 1.1601e-08 au
q 2.112390153713121 8.478e-08 au
i 6.542501074325068 6.0128e-06 deg
node 149.754555922414 5.0546e-05 deg
peri 305.2986438213455 5.6384e-05 deg
M 251.9850776812458 2.3853e-05 deg
tp 2459450.158440203689
(2021-Aug-23.65844020)
9.9756e-05 TDB
period 1498.654398839685
4.10
1.0175e-05
2.786e-08
d
yr
n .2402154894942594 1.631e-09 deg/d
Q 3.013453707051043 1.364e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1612  
   data-arc span      17481 days (47.86 yr)  
   first obs. used      1971-10-21  
   last obs. used      2019-08-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48568  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:39:50  

Additional Information
 Earth MOID = 1.13696 au 
 Jupiter MOID = 2.17793 au 
 T_jup = 3.403 
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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 13.4   n/a MPO439117  
diameter diameter 5.229 km 0.199 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.339   0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5514 Karelraška           Discovered 1989 Jan. 29 by Z. Vavrova at Klet.
Karel Raška (1909-1987) was a Czech physician and epidemiologist, known as "the father of the conception of epidemiologic surveillance". He was awarded the Edward Jenner Medal by the Royal Society of Medicine.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-08-29Last Updated: 2015-09-02

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Alternate Designations
 1989 BN1 = 1971 UO2 = 1975 TB7 = 1985 DG3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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