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4251 Kavasch (1985 JK1)
Classification: Main-belt Asteroid          SPK-ID: 2004251
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756006093173553 3.4578e-08  
a 2.404079109368328 8.7687e-09 au
q 1.981921352916125 8.2107e-08 au
i 3.340853196408388 4.0889e-06 deg
node 115.3853404976633 6.8655e-05 deg
peri 132.8495744202814 6.9976e-05 deg
M 30.31456519769104 1.5409e-05 deg
tp 2458485.850965557526
(2019-Jan-02.35096556)
5.806e-05 TDB
period 1361.512267457307
3.73
7.449e-06
2.039e-08
d
yr
n .2644118665726884 1.4466e-09 deg/d
Q 2.826236865820531 1.0308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1857  
   data-arc span      25049 days (68.58 yr)  
   first obs. used      1951-02-04  
   last obs. used      2019-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49036  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 00:45:15  

Additional Information
 Earth MOID = .969643 au 
 Jupiter MOID = 2.20661 au 
 T_jup = 3.500 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO448956  
diameter diameter 4.308 km 0.226 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.166 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 0.287   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4251 Kavasch (1985 JK1)          Discovered 1985-May-11 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1985 JK1 = 1962 CY = 1988 CF2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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