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58919 (1998 KF55)
Classification: Main-belt Asteroid          SPK-ID: 2058919
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2342458706021291 4.3434e-08  
a 3.135447918840693 1.9119e-08 au
q 2.400982191364221 1.431e-07 au
i 15.43978350298247 6.4859e-06 deg
node 213.5460915914445 1.606e-05 deg
peri 81.26140307515146 2.1394e-05 deg
M 26.84649770962797 1.4089e-05 deg
tp 2459245.271741674425
(2021-Jan-30.77174167)
7.882e-05 TDB
period 2027.905970680202
5.55
1.8548e-05
5.078e-08
d
yr
n .177523023850681 1.6237e-09 deg/d
Q 3.869913646317164 2.3598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      869  
   data-arc span      10653 days (29.17 yr)  
   first obs. used      1992-05-07  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56252  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:11:52  

Additional Information
 Earth MOID = 1.44463 au 
 Jupiter MOID = 1.62309 au 
 T_jup = 3.114 
[ 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 14.44   n/a E2021B10  
diameter diameter 3.434 km 0.213 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.313   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58919 (1998 KF55)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KF55 = 1999 TA104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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