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85225 (1993 FP31)
Classification: Main-belt Asteroid          SPK-ID: 2085225
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 .1687793115635376 4.8418e-08  
a 2.332053705698359 1.0582e-08 au
q 1.938451286721393 1.1576e-07 au
i 5.916711978014084 5.737e-06 deg
node 44.74279203981973 4.8292e-05 deg
peri 22.68721042010483 5.1508e-05 deg
M 332.1464455684116 1.8931e-05 deg
tp 2459101.143184877603
(2020-Sep-08.64318488)
6.8724e-05 TDB
period 1300.787181216887
3.56
8.8534e-06
2.424e-08
d
yr
n .2767554948252333 1.8836e-09 deg/d
Q 2.725656124675325 1.2368e-08 au
  Orbit Determination Parameters
   # obs. used (total)      652  
   data-arc span      10531 days (28.83 yr)  
   first obs. used      1991-10-01  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55273  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:55:18  

Additional Information
 Earth MOID = .953627 au 
 Jupiter MOID = 2.57906 au 
 T_jup = 3.544 
[ 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 15.6   n/a MPO280328  
diameter diameter 1.665 km 0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.402   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85225 (1993 FP31)          Discovered 1993-Mar-19 by UESAC at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1993 FP31 = 2000 FH16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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