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175203 (2005 FS4)
Classification: Main-belt Asteroid          SPK-ID: 2175203
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1149924236102549 3.6515e-08  
a 2.379565170689395 1.4987e-08 au
q 2.105933204573271 9.0528e-08 au
i 5.950282205536357 4.5969e-06 deg
node 306.263687913478 4.6326e-05 deg
peri 327.5360300707121 5.2582e-05 deg
M 26.88933565025362 2.326e-05 deg
tp 2459100.356583478974
(2020-Sep-07.85658348)
8.676e-05 TDB
period 1340.740820691466
3.67
1.2667e-05
3.468e-08
d
yr
n .2685082712811979 2.5367e-09 deg/d
Q 2.653197136805518 1.6711e-08 au
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      6554 days (17.94 yr)  
   first obs. used      2002-07-05  
   last obs. used      2020-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57454  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:04:26  

Additional Information
 Earth MOID = 1.09052 au 
 Jupiter MOID = 2.4599 au 
 T_jup = 3.523 
[ 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 16.65   n/a E2021B55  

175203 (2005 FS4)          Discovered 2005-Mar-31 by Jarnac at Jarnac
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2005 FS4 = 2002 NL30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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