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17539 (1993 FR46)
Classification: Main-belt Asteroid          SPK-ID: 2017539
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06456715125388192 3.8829e-08  
a 3.005657591816322 1.7203e-08 au
q 2.81159084346814 1.1965e-07 au
i 2.165186574712526 4.7988e-06 deg
node 166.1190830361389 0.00011516 deg
peri 149.9136630167671 0.00012121 deg
M 310.4571060872325 3.9231e-05 deg
tp 2459262.430789990282
(2021-Feb-16.93078999)
0.00020808 TDB
period 1903.301905668474
5.21
1.6341e-05
4.474e-08
d
yr
n .1891449795367916 1.6239e-09 deg/d
Q 3.199724340164505 1.8314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1434  
   data-arc span      9974 days (27.31 yr)  
   first obs. used      1992-01-09  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55687  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 22:20:57  

Additional Information
 Earth MOID = 1.79821 au 
 Jupiter MOID = 1.98812 au 
 T_jup = 3.247 
[ 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 13.9   n/a MPO302172  
diameter diameter 4.463 km 1.272 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.294   0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17539 (1993 FR46)          Discovered 1993-Mar-19 by UESAC at La Silla
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FR46 = 1998 FC26 = 1999 JF122 = 1999 LJ23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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