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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2336983942175513 4.9607e-08  
a 3.13339567708299 2.0244e-08 au
q 2.401126138900478 1.6405e-07 au
i 15.44079307118355 6.7814e-06 deg
node 213.6034255345604 1.6188e-05 deg
peri 81.3475700850291 2.1852e-05 deg
M 316.4167649461967 1.526e-05 deg
tp 2459245.766508938069
(2021-Jan-31.26650894)
8.6973e-05 TDB
period 2025.915311442665
5.55
1.9633e-05
5.375e-08
d
yr
n .1776974575228626 1.7221e-09 deg/d
Q 3.865665215265501 2.4975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      823  
   data-arc span      10348 days (28.33 yr)  
   first obs. used      1992-05-07  
   last obs. used      2020-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55919  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:48:59  

Additional Information
 Earth MOID = 1.44516 au 
 Jupiter MOID = 1.62892 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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