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JPL Small-Body Database Browser
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52698 (1998 FK54)
Classification: Main-belt Asteroid          SPK-ID: 2052698
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .04925295936323115 4.009e-08  
a 2.98689261766275 1.9766e-08 au
q 2.839779316942671 1.1694e-07 au
i 10.98786282569151 4.9698e-06 deg
node 357.139854693888 2.3181e-05 deg
peri 87.08175026433254 5.6526e-05 deg
M 206.2244991407133 5.2004e-05 deg
tp 2459805.901604674686
(2022-Aug-14.40160467)
0.00027411 TDB
period 1885.50566288321
5.16
1.8716e-05
5.124e-08
d
yr
n .1909302141524773 1.8952e-09 deg/d
Q 3.134005918382829 2.0739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1190  
   data-arc span      7822 days (21.42 yr)  
   first obs. used      1998-01-24  
   last obs. used      2019-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55189  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:33:35  

Additional Information
 Earth MOID = 1.88282 au 
 Jupiter MOID = 1.97814 au 
 T_jup = 3.228 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456467.5 (2013-Jun-24.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05237329038603764 4.0519e-08  
q 2.824753598528638 1.1898e-07 au
tp 2456030.422034281711
(2012-Apr-12.92203428)
0.00024864 TDB
node 357.3506684760846 2.3175e-05 deg
peri 84.81934917519646 5.3389e-05 deg
i 10.99597608583513 4.974e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1190  
   data-arc span      7822 days (21.42 yr)  
   first obs. used      1998-01-24  
   last obs. used      2019-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55189  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:33:35  

Additional Information
 Jupiter MOID = 1.97814 au 
 T_jup = 3.228 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.641769993782402E-15 -4.765562131944633E-15 -9.748855881055586E-13 -4.02455113780163E-15 -1.980051784110918E-13 1.566100302479779E-16
q -4.765562131944633E-15 1.415647843731684E-14 3.491811545918404E-12 9.563081168933845E-15 7.180992673110289E-13 6.735144910420035E-16
tp -9.748855881055586E-13 3.491811545918404E-12 6.182043647020265E-8 -2.895008571937737E-11 1.197956834105283E-8 -7.647549725314082E-12
node -4.02455113780163E-15 9.563081168933845E-15 -2.895008571937737E-11 5.370765379483597E-10 -5.326191047823017E-10 1.053240710181572E-11
peri -1.980051784110918E-13 7.180992673110289E-13 1.197956834105283E-8 -5.326191047823017E-10 2.850372879083534E-9 -1.171008285042559E-11
i 1.566100302479779E-16 6.735144910420035E-16 -7.647549725314082E-12 1.053240710181572E-11 -1.171008285042559E-11 2.474043499883587E-11

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 MPO263767  
diameter diameter 5.891 km 0.296 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.169   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52698 (1998 FK54)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FK54 = 2000 QT194 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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