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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02049677524304644 3.9257e-08  
a 2.768769287945621 1.7619e-08 au
q 2.71201844615075 1.0714e-07 au
i .912191322545554 4.4678e-06 deg
node 132.8408249935381 0.00027906 deg
peri 124.8008970799568 0.00030288 deg
M 72.98183271359086 0.00011652 deg
tp 2458659.353559131249
(2019-Jun-24.85355913)
0.00054511 TDB
period 1682.784799262514
4.61
1.6062e-05
4.398e-08
d
yr
n .2139310981165097 2.042e-09 deg/d
Q 2.825520129740493 1.798e-08 au
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      9776 days (26.77 yr)  
   first obs. used      1993-12-16  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4949  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:09:41  

Additional Information
 Earth MOID = 1.69678 au 
 Jupiter MOID = 2.15744 au 
 T_jup = 3.338 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457453.5 (2016-Mar-06.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01984201309280022 3.8776e-08  
q 2.714687495830599 1.0598e-07 au
tp 2457003.364675127763
(2014-Dec-11.86467513)
0.00057292 TDB
node 132.8578066873684 0.00027952 deg
peri 130.7826079945346 0.00030541 deg
i .911572527737612 4.4628e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      9776 days (26.77 yr)  
   first obs. used      1993-12-16  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4949  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:09:41  

Additional Information
 Jupiter MOID = 2.15744 au 
 T_jup = 3.338 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.503601935135771E-15 -4.056160494169574E-15 -2.302658170017366E-12 -5.262745857109658E-15 -4.884712669569572E-13 -1.663999639984401E-16
q -4.056160494169574E-15 1.123180056554238E-14 4.348522683763214E-12 1.468787548768503E-14 9.297460061050175E-13 5.003910929609786E-16
tp -2.302658170017366E-12 4.348522683763214E-12 3.282334275171322E-7 5.705294108435453E-11 7.052853236765566E-8 2.477646203803314E-12
node -5.262745857109658E-15 1.468787548768503E-14 5.705294108435453E-11 7.813274137207885E-8 -7.811044422134727E-8 6.326978961483604E-11
peri -4.884712669569572E-13 9.297460061050175E-13 7.052853236765566E-8 -7.811044422134727E-8 9.327820409588939E-8 -6.272617187722755E-11
i -1.663999639984401E-16 5.003910929609786E-16 2.477646203803314E-12 6.326978961483604E-11 -6.272617187722755E-11 1.991622652399699E-11

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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