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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02049677449590325 4.121e-08  
a 2.768769288232255 1.8259e-08 au
q 2.712018448500176 1.1416e-07 au
i .9121920574556321 4.5745e-06 deg
node 132.8407644420461 0.00029052 deg
peri 124.8009565848829 0.00031403 deg
M 72.9818336407612 0.0001177 deg
tp 2458659.353554744307
(2019-Jun-24.85355474)
0.00055073 TDB
period 1682.784799523826
4.61
1.6646e-05
4.557e-08
d
yr
n .2139310980832893 2.1162e-09 deg/d
Q 2.825520127964334 1.8634e-08 au
  Orbit Determination Parameters
   # obs. used (total)      476  
   data-arc span      9724 days (26.62 yr)  
   first obs. used      1993-12-16  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50055  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:55:18  

Additional Information
 Earth MOID = 1.69678 au 
 Jupiter MOID = 2.15744 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 15.9   n/a MPO436372  
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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