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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2052829998225119 4.0724e-08  
a 2.346776054888367 9.603e-09 au
q 1.865022826429243 9.2761e-08 au
i 5.28167617402314 3.9571e-06 deg
node 31.45029471952466 4.425e-05 deg
peri 235.7097807753808 4.538e-05 deg
M 34.67070237434975 9.6925e-06 deg
tp 2458474.036255037276
(2018-Dec-21.53625504)
3.5108e-05 TDB
period 1313.124484615655
3.60
8.0599e-06
2.207e-08
d
yr
n .2741552718098696 1.6828e-09 deg/d
Q 2.828529283347491 1.1574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      617  
   data-arc span      9721 days (26.61 yr)  
   first obs. used      1993-03-17  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56121  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:09:43  

Additional Information
 Earth MOID = .85511 au 
 Jupiter MOID = 2.27708 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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