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85221 (1993 FX13)
Classification: Main-belt Asteroid          SPK-ID: 2085221
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1489409081402698 5.5849e-08  
a 2.243804627733291 1.2526e-08 au
q 1.909610328789354 1.2946e-07 au
i 5.211738095716163 5.8728e-06 deg
node 144.0690919909296 4.075e-05 deg
peri 169.0557144735723 4.3373e-05 deg
M 278.273744226282 1.549e-05 deg
tp 2459279.198792900089
(2021-Mar-05.69879290)
5.3392e-05 TDB
period 1227.654007811492
3.36
1.028e-05
2.815e-08
d
yr
n .2932422308804767 2.4554e-09 deg/d
Q 2.577998926677227 1.4391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      528  
   data-arc span      9903 days (27.11 yr)  
   first obs. used      1993-03-17  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5679  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:34:31  

Additional Information
 Earth MOID = .895955 au 
 Jupiter MOID = 2.68065 au 
 T_jup = 3.612 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456957.5 (2014-Oct-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .149422783956244 5.5942e-08  
q 1.908638453556708 1.2973e-07 au
tp 2456822.369677176273
(2014-Jun-13.86967718)
5.1625e-05 TDB
node 144.0972579619735 4.073e-05 deg
peri 168.7835002872517 4.3335e-05 deg
i 5.212679894246375 5.8746e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      528  
   data-arc span      9903 days (27.11 yr)  
   first obs. used      1993-03-17  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5679  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:34:31  

Additional Information
 Jupiter MOID = 2.68065 au 
 T_jup = 3.612 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.129457347276266E-15 -7.235663021234537E-15 1.669925405762882E-12 1.821234795497821E-14 4.271829366861864E-13 -1.593872773251856E-15
q -7.235663021234537E-15 1.682949969537566E-14 -3.81712191813652E-12 -4.165479347520578E-14 -9.735799854186867E-13 4.192161225646542E-15
tp 1.669925405762882E-12 -3.81712191813652E-12 2.665164090167066E-9 1.124777852791883E-11 7.712489378585257E-10 -6.018641861724782E-13
node 1.821234795497821E-14 -4.165479347520578E-14 1.124777852791883E-11 1.658938219109451E-9 -1.648533632654946E-9 8.601539954552582E-11
peri 4.271829366861864E-13 -9.735799854186867E-13 7.712489378585257E-10 -1.648533632654946E-9 1.877940009660909E-9 -8.585356540039572E-11
i -1.593872773251856E-15 4.192161225646542E-15 -6.018641861724782E-13 8.601539954552582E-11 -8.585356540039572E-11 3.451121511059331E-11

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 MPO417411  

85221 (1993 FX13)          Discovered 1993-Mar-17 by UESAC at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1993 FX13 = 2000 KE82 = 2001 XM204 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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