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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1749564311211865 1.3467e-08  
a 2.404503410382273 7.4555e-09 au
q 1.983820075083069 3.1388e-08 au
i 3.340983755275628 7.0365e-07 deg
node 115.384545115319 1.3812e-05 deg
peri 132.8327452932882 1.5163e-05 deg
M 240.8311947070408 5.7078e-06 deg
tp 2459847.313183093058
(2022-Sep-24.81318309)
2.2721e-05 TDB
period 1361.872727636461
3.73
6.334e-06
1.734e-08
d
yr
n .264341882097002 1.2294e-09 deg/d
Q 2.825186745681477 8.7599e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2298  
   data-arc span      25627 days (70.16 yr)  
   first obs. used      1951-02-04  
   last obs. used      2021-04-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47359  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 14:19:47  

Additional Information
 Earth MOID = .971957 au 
 Jupiter MOID = 2.20521 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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