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85266 (1993 YK1)
Classification: Main-belt Asteroid          SPK-ID: 2085266
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02025889742639203 3.6357e-08  
a 2.768213878188329 1.6409e-08 au
q 2.712132917175797 9.6323e-08 au
i .9122537311339566 3.9993e-06 deg
node 132.842168672303 0.00025738 deg
peri 123.9356491336903 0.00028143 deg
M 158.6143712991784 0.00011302 deg
tp 2458655.295712800993
(2019-Jun-20.79571280)
0.00052879 TDB
period 1682.278479598428
4.61
1.4958e-05
4.095e-08
d
yr
n .2139954855072119 1.9028e-09 deg/d
Q 2.824294839200861 1.6742e-08 au
  Orbit Determination Parameters
   # obs. used (total)      585  
   data-arc span      9861 days (27.00 yr)  
   first obs. used      1993-12-16  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48297  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:12:10  

Additional Information
 Earth MOID = 1.697 au 
 Jupiter MOID = 2.1555 au 
 T_jup = 3.338 
[ 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 16.07   n/a MPCxxxxx  
diameter diameter 4.807 km 0.997 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.033   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85266 (1993 YK1)          Discovered 1993-Dec-16 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1993 YK1 = 2000 GC23 = 2001 OK60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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