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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1489409149661522 5.3213e-08  
a 2.243804628635697 1.2366e-08 au
q 1.909610314241409 1.2425e-07 au
i 5.211740021538878 5.4753e-06 deg
node 144.0690931898416 4.0723e-05 deg
peri 169.0557134361856 4.3333e-05 deg
M 278.2737432940156 1.5269e-05 deg
tp 2459279.198796247386
(2021-Mar-05.69879625)
5.2584e-05 TDB
period 1227.654008552093
3.36
1.0148e-05
2.778e-08
d
yr
n .2932422307035738 2.4241e-09 deg/d
Q 2.577998943029985 1.4207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      9931 days (27.19 yr)  
   first obs. used      1993-03-17  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56393  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:40  

Additional Information
 Earth MOID = .895955 au 
 Jupiter MOID = 2.68065 au 
 T_jup = 3.612 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457073.5 (2015-Feb-20.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1493810230354589 5.3286e-08  
q 1.908588972030365 1.2446e-07 au
tp 2456822.311315714231
(2014-Jun-13.81131571)
5.1302e-05 TDB
node 144.0976989234247 4.0704e-05 deg
peri 168.7613271532997 4.3299e-05 deg
i 5.212704006862657 5.477e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      9931 days (27.19 yr)  
   first obs. used      1993-03-17  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56393  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:40  

Additional Information
 Jupiter MOID = 2.68065 au 
 T_jup = 3.612 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.839428915096712E-15 -6.612576936113593E-15 1.569130945628906E-12 1.809497322743858E-14 4.12454558940419E-13 1.520445216456798E-17
q -6.612576936113593E-15 1.549050245757815E-14 -3.600717279144471E-12 -4.148391475457779E-14 -9.418522225462846E-13 5.85193579526991E-16
tp 1.569130945628906E-12 -3.600717279144471E-12 2.631919691153894E-9 1.190705828506105E-11 7.660893752481674E-10 1.014539139605816E-12
node 1.809497322743858E-14 -4.148391475457779E-14 1.190705828506105E-11 1.656811798574095E-9 -1.646172001841269E-9 8.303871119700833E-11
peri 4.12454558940419E-13 -9.418522225462846E-13 7.660893752481674E-10 -1.646172001841269E-9 1.874825738955055E-9 -8.242888041543159E-11
i 1.520445216456798E-17 5.85193579526991E-16 1.014539139605816E-12 8.303871119700833E-11 -8.242888041543159E-11 2.999701492417021E-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

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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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