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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1751290157658559 1.3472e-08  
a 2.404183201902165 7.4393e-09 au
q 1.983140964032235 3.1402e-08 au
i 3.341000664410032 7.0364e-07 deg
node 115.3846211428783 1.3813e-05 deg
peri 132.8381657068708 1.5161e-05 deg
M 189.0184339721381 5.5841e-06 deg
tp 2459847.190608786546
(2022-Sep-24.69060879)
2.2696e-05 TDB
period 1361.600695160435
3.73
6.3199e-06
1.73e-08
d
yr
n .2643946946263727 1.2272e-09 deg/d
Q 2.825225439772095 8.7422e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2295  
   data-arc span      25615 days (70.13 yr)  
   first obs. used      1951-02-04  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47383  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:30:11  

Additional Information
 Earth MOID = .969528 au 
 Jupiter MOID = 2.20641 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 14.04   n/a MPCxxxxx  
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. 2020-October); 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.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
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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