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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1422541540141978 3.1566e-08  
a 2.193028559158053 5.3113e-09 au
q 1.881061136746049 6.8409e-08 au
i 4.537209870225427 3.1426e-06 deg
node 161.4482807234081 4.3269e-05 deg
peri 82.92218354997701 4.4655e-05 deg
M 118.2523774650984 1.1145e-05 deg
tp 2458610.852191300420
(2019-May-07.35219130)
3.6544e-05 TDB
period 1186.218950847308
3.25
4.3093e-06
1.18e-08
d
yr
n .3034852880598936 1.1025e-09 deg/d
Q 2.504995981570056 6.0668e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2233  
   data-arc span      24259 days (66.42 yr)  
   first obs. used      1954-05-30  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48376  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:50:21  

Additional Information
 Earth MOID = .874631 au 
 Jupiter MOID = 2.51366 au 
 T_jup = 3.654 
[ 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-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:
[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

[ show close-approach data ]
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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