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JPL Small-Body Database Browser
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4594 Dashkova (1980 KR1)
Classification: Main-belt Asteroid          SPK-ID: 2004594
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1423687928401097 3.1781e-08  
a 2.193682414922111 5.6854e-09 au
q 1.881370497635073 6.9047e-08 au
i 4.536383437461312 3.4906e-06 deg
node 161.4646223708892 4.5387e-05 deg
peri 83.06093892655829 4.721e-05 deg
M 356.7395129444602 1.2212e-05 deg
tp 2458611.248281625077
(2019-May-07.74828163)
4.0254e-05 TDB
period 1186.749500646944
3.25
4.6136e-06
1.263e-08
d
yr
n .3033496115260632 1.1793e-09 deg/d
Q 2.505994332209148 6.4948e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2039  
   data-arc span      23849 days (65.30 yr)  
   first obs. used      1954-05-30  
   last obs. used      2019-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4928  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 00:46:49  

Additional Information
 Earth MOID = .874753 au 
 Jupiter MOID = 2.51339 au 
 T_jup = 3.653 
[ 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 14.1   n/a MPO337290  
diameter diameter 4.012 km 0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 65.423 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.209   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4594 Dashkova (1980 KR1)          Discovered 1980-May-17 by Chernykh, L. I. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1980 KR1 = 1954 KA = 1978 YV1 = 1980 LS = 1980 MF = 1986 CP = 1987 RK1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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