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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2048366305198211 3.9052e-08  
a 2.347573295349408 9.2822e-09 au
q 1.866704291631723 8.8903e-08 au
i 5.280393405718578 3.8166e-06 deg
node 31.4344233741353 4.1503e-05 deg
peri 235.8194027215362 4.2526e-05 deg
M 252.7376199584129 1.0088e-05 deg
tp 2459787.946213332423
(2022-Jul-27.44621333)
3.8034e-05 TDB
period 1313.793678128674
3.60
7.792e-06
2.133e-08
d
yr
n .2740156281713675 1.6252e-09 deg/d
Q 2.828442299067094 1.1184e-08 au
  Orbit Determination Parameters
   # obs. used (total)      665  
   data-arc span      10192 days (27.90 yr)  
   first obs. used      1993-03-17  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56251  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:11:54  

Additional Information
 Earth MOID = .857162 au 
 Jupiter MOID = 2.27585 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 16.18   n/a MPCxxxxx  
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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