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173632 (2001 FT87)
Classification: Main-belt Asteroid          SPK-ID: 2173632
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1579663404119704 3.6268e-08  
a 2.429623662550993 1.1617e-08 au
q 2.045824903999484 8.8585e-08 au
i 3.96905526710689 4.0027e-06 deg
node 103.5051385658675 8.9205e-05 deg
peri 151.2976962219995 9.1339e-05 deg
M 334.1531333643768 1.9645e-05 deg
tp 2459099.814426934402
(2020-Sep-07.31442693)
7.5433e-05 TDB
period 1383.26994139816
3.79
9.9206e-06
2.716e-08
d
yr
n .260252890073014 1.8665e-09 deg/d
Q 2.813422421102501 1.3452e-08 au
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      7427 days (20.33 yr)  
   first obs. used      1999-12-27  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60272  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:28:59  

Additional Information
 Earth MOID = 1.03204 au 
 Jupiter MOID = 2.23417 au 
 T_jup = 3.488 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO427059  

173632 (2001 FT87)          Discovered 2001-Mar-21 by LONEOS at Anderson Mesa
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 2001 FT87 = 2005 JM134 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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