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9771 (1993 FU17)
Classification: Main-belt Asteroid          SPK-ID: 2009771
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .135272297656244 4.5006e-08  
a 2.246456985511973 5.9569e-09 au
q 1.942573587495849 1.0201e-07 au
i 7.344002330118486 5.4676e-06 deg
node 46.80553295308344 2.8587e-05 deg
peri 12.77367671803032 3.3447e-05 deg
M 141.1578194326019 1.7482e-05 deg
tp 2458518.276880821075
(2019-Feb-03.77688082)
5.9033e-05 TDB
period 1229.831429829514
3.37
4.8917e-06
1.339e-08
d
yr
n .2927230442060706 1.1643e-09 deg/d
Q 2.550340383528097 6.7627e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1721  
   data-arc span      10500 days (28.75 yr)  
   first obs. used      1991-09-12  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47467  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:01:12  

Additional Information
 Earth MOID = .955436 au 
 Jupiter MOID = 2.76815 au 
 T_jup = 3.608 
[ 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 14.5   n/a MPO502243  
diameter diameter 3.066 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.393   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9771 (1993 FU17)          Discovered 1993-Mar-17 by UESAC at La Silla
Reference: 19981208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FU17 = 1991 SU2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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