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JPL Small-Body Database Browser
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58757 (1998 FF18)
Classification: Main-belt Asteroid          SPK-ID: 2058757
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1746538190386082 3.4962e-08  
a 2.683748482773341 1.4506e-08 au
q 2.215021560917906 9.7542e-08 au
i 5.202585575155095 4.6433e-06 deg
node 162.32396377 5.4589e-05 deg
peri 302.4220542888727 5.7065e-05 deg
M 332.0952939043028 1.71e-05 deg
tp 2458724.976135495861
(2019-Aug-29.47613550)
7.6682e-05 TDB
period 1605.872809583892
4.40
1.302e-05
3.565e-08
d
yr
n .2241771564046108 1.8175e-09 deg/d
Q 3.152475404628775 1.7039e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1282  
   data-arc span      7953 days (21.77 yr)  
   first obs. used      1998-02-26  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49849  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:03:41  

Additional Information
 Earth MOID = 1.23714 au 
 Jupiter MOID = 2.0045 au 
 T_jup = 3.347 
[ 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 14.5   n/a MPO333321  
diameter diameter 6.815 km 1.569 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.047   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

58757 (1998 FF18)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FF18 = 2000 QQ43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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