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85591 (1998 FR46)
Classification: Main-belt Asteroid          SPK-ID: 2085591
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1859903557897833 6.5714e-08  
a 2.713927315689248 1.7854e-08 au
q 2.209163008656593 1.7567e-07 au
i 27.23705824415683 7.1093e-06 deg
node 2.944275764796894 8.433e-06 deg
peri 342.7390882770371 1.5321e-05 deg
M 188.4342655231298 1.8042e-05 deg
tp 2459778.758366664190
(2022-Jul-18.25836666)
8.7135e-05 TDB
period 1633.035948893865
4.47
1.6115e-05
4.412e-08
d
yr
n .2204483007516434 2.1754e-09 deg/d
Q 3.218691622721903 2.1175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1484  
   data-arc span      8096 days (22.17 yr)  
   first obs. used      1998-02-27  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44584  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:38:07  

Additional Information
 Earth MOID = 1.21311 au 
 Jupiter MOID = 2.24766 au 
 T_jup = 3.179 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5   n/a MPO459396  
diameter diameter 4.715 km 0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.347   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85591 (1998 FR46)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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