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JPL Small-Body Database Browser
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173647 (2001 FD171)
Classification: Main-belt Asteroid          SPK-ID: 2173647
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2050889525611004 4.0555e-08  
a 2.337077040481874 1.0574e-08 au
q 1.85776835819485 9.4215e-08 au
i 8.681060910049338 4.0552e-06 deg
node 78.9630825785069 2.9443e-05 deg
peri 147.6053564970642 3.119e-05 deg
M 352.8559442799854 9.0564e-06 deg
tp 2458626.397050438267
(2019-May-22.89705044)
3.2816e-05 TDB
period 1304.992363323442
3.57
8.8563e-06
2.425e-08
d
yr
n .275863683281014 1.8721e-09 deg/d
Q 2.816385722768898 1.2742e-08 au
  Orbit Determination Parameters
   # obs. used (total)      671  
   data-arc span      18261 days (50.00 yr)  
   first obs. used      1969-05-12  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51809  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:42:18  

Additional Information
 Earth MOID = .853782 au 
 Jupiter MOID = 2.18654 au 
 T_jup = 3.523 
[ 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 15.7   n/a MPO436862  

173647 (2001 FD171)          Discovered 2001-Mar-24 by NEAT at Haleakala
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 2001 FD171 = 1969 JO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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