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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1647537793058678 6.6522e-08  
a 2.435532723879938 1.6106e-08 au
q 2.034269502997604 1.5822e-07 au
i 13.90541257508488 5.9037e-06 deg
node 38.93402274541713 2.7995e-05 deg
peri 81.8926612326681 3.6673e-05 deg
M 327.1605463653544 2.3643e-05 deg
tp 2458727.143470343575
(2019-Aug-31.64347034)
9.1756e-05 TDB
period 1388.319362158567
3.80
1.3771e-05
3.77e-08
d
yr
n .2593063309585122 2.5722e-09 deg/d
Q 2.836795944762272 1.876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      309  
   data-arc span      6477 days (17.73 yr)  
   first obs. used      2001-03-21  
   last obs. used      2018-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61498  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:32:30  

Additional Information
 Earth MOID = 1.10361 au 
 Jupiter MOID = 2.37474 au 
 T_jup = 3.446 
[ 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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