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173631 (2001 FH87)
Classification: Main-belt Asteroid          SPK-ID: 2173631
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1645410679710168 5.7722e-08  
a 2.434993626437459 1.5316e-08 au
q 2.03433717464082 1.336e-07 au
i 13.90544654867263 5.8064e-06 deg
node 38.92843851254874 2.4428e-05 deg
peri 81.86164609436371 3.3563e-05 deg
M 70.93609607640671 2.3812e-05 deg
tp 2458727.029834817892
(2019-Aug-31.52983482)
9.0351e-05 TDB
period 1387.858437536751
3.80
1.3094e-05
3.585e-08
d
yr
n .2593924497364069 2.4474e-09 deg/d
Q 2.835650078234098 1.7836e-08 au
  Orbit Determination Parameters
   # obs. used (total)      367  
   data-arc span      6977 days (19.10 yr)  
   first obs. used      2001-03-21  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6023  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:28:59  

Additional Information
 Earth MOID = 1.10339 au 
 Jupiter MOID = 2.37427 au 
 T_jup = 3.447 
[ 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 16.5   n/a MPO412971  

173631 (2001 FH87)          Discovered 2001-Mar-21 by LONEOS at Anderson Mesa
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 2001 FH87 = 2003 UY11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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