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JPL Small-Body Database Browser
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17540 (1993 FX81)
Classification: Main-belt Asteroid          SPK-ID: 2017540
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1197824726836483 4.8766e-08  
a 2.946301365794484 1.617e-08 au
q 2.59338610292841 1.4382e-07 au
i 6.624005530033089 4.1094e-06 deg
node 83.03219049106555 4.4715e-05 deg
peri 72.74457514013326 4.8528e-05 deg
M 88.1517715481807 1.819e-05 deg
tp 2458148.183197267559
(2018-Jan-29.68319727)
9.3435e-05 TDB
period 1847.201095609057
5.06
1.5207e-05
4.163e-08
d
yr
n .194889446988608 1.6044e-09 deg/d
Q 3.299216628660557 1.8107e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1687  
   data-arc span      13584 days (37.19 yr)  
   first obs. used      1982-01-20  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47205  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 22:21:02  

Additional Information
 Earth MOID = 1.61357 au 
 Jupiter MOID = 1.73042 au 
 T_jup = 3.250 
[ 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 12.9   n/a MPO358800  
diameter diameter 7.043 km 0.370 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.356   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17540 (1993 FX81)          Discovered 1993-Mar-18 by UESAC at La Silla
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FX81 = 1982 BL8 = 1986 WZ6 = 1996 XX18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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