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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2334050525430902 5.2147e-08  
a 3.133391243581363 3.1301e-08 au
q 2.402041895735196 1.6743e-07 au
i 15.44027514902654 7.1926e-06 deg
node 213.6068400951275 2.3125e-05 deg
peri 81.32575887529731 2.9157e-05 deg
M 245.3230351410084 2.3753e-05 deg
tp 2459245.848127484427
(2021-Jan-31.34812748)
0.00014114 TDB
period 2025.911011684555
5.55
3.0357e-05
8.311e-08
d
yr
n .1776978346648396 2.6626e-09 deg/d
Q 3.86474059142753 3.8606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      573  
   data-arc span      9855 days (26.98 yr)  
   first obs. used      1992-05-07  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6215  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:36:50  

Additional Information
 Earth MOID = 1.44542 au 
 Jupiter MOID = 1.62841 au 
 T_jup = 3.115 
[ 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 14.3   n/a MPO302383  
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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