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85220 (1993 FY11)
Classification: Main-belt Asteroid          SPK-ID: 2085220
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2051092556034266 4.0248e-08  
a 2.34713159779408 9.4986e-09 au
q 1.865713182967255 9.1463e-08 au
i 5.280987178019247 3.943e-06 deg
node 31.44920380359723 4.2387e-05 deg
peri 235.7638889865108 4.3542e-05 deg
M 144.2815012754198 9.9076e-06 deg
tp 2458474.103808090917
(2018-Dec-21.60380809)
3.4995e-05 TDB
period 1313.422908772809
3.60
7.9729e-06
2.183e-08
d
yr
n .2740929807112656 1.6638e-09 deg/d
Q 2.828550012620905 1.1447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      9748 days (26.69 yr)  
   first obs. used      1993-03-17  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56295  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:15:12  

Additional Information
 Earth MOID = .856193 au 
 Jupiter MOID = 2.27779 au 
 T_jup = 3.526 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO436371  
diameter diameter 3.827 km 0.482 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85220 (1993 FY11)          Discovered 1993-Mar-17 by UESAC at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1993 FY11 = 1994 TE9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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