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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2052701171436785 4.0383e-08  
a 2.336572122496961 1.0062e-08 au
q 1.856943689197356 9.3671e-08 au
i 8.680297652556572 4.0102e-06 deg
node 78.95744910056602 2.6352e-05 deg
peri 147.46754856942 2.8226e-05 deg
M 103.3196733054194 8.2868e-06 deg
tp 2458626.089743962056
(2019-May-22.58974396)
3.0278e-05 TDB
period 1304.569477056118
3.57
8.4269e-06
2.307e-08
d
yr
n .2759531066236298 1.7825e-09 deg/d
Q 2.816200555796565 1.2128e-08 au
  Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      18342 days (50.22 yr)  
   first obs. used      1969-05-12  
   last obs. used      2019-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49919  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:07:21  

Additional Information
 Earth MOID = .853031 au 
 Jupiter MOID = 2.18613 au 
 T_jup = 3.524 
[ 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 15.8   n/a MPO475470  

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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