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JPL Small-Body Database Browser
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58915 (1998 KA50)
Classification: Main-belt Asteroid          SPK-ID: 2058915
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2678106560781838 4.8413e-08  
a 3.058005784168496 2.3488e-08 au
q 2.23903924881945 1.5316e-07 au
i 14.68654813634484 5.3833e-06 deg
node 90.17496921906501 2.2577e-05 deg
peri 188.7422594191103 2.5024e-05 deg
M 299.0277449634055 1.4759e-05 deg
tp 2458931.315338284057
(2020-Mar-22.81533828)
8.2583e-05 TDB
period 1953.241219482249
5.35
2.2504e-05
6.161e-08
d
yr
n .1843090328062123 2.1235e-09 deg/d
Q 3.876972319517543 2.9778e-08 au
  Orbit Determination Parameters
   # obs. used (total)      972  
   data-arc span      10352 days (28.34 yr)  
   first obs. used      1991-01-07  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51602  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:14:03  

Additional Information
 Earth MOID = 1.2232 au 
 Jupiter MOID = 1.27758 au 
 T_jup = 3.131 
[ 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 13.8   n/a MPO474469  
diameter diameter 6.934 km 0.281 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.122   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

58915 (1998 KA50)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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