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JPL Small-Body Database Browser
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58906 (1998 KN18)
Classification: Main-belt Asteroid          SPK-ID: 2058906
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1122643593214346 4.1577e-08  
a 3.114334674024991 2.3697e-08 au
q 2.764705887133047 1.2964e-07 au
i 21.22549276420605 4.9174e-06 deg
node 236.2192647972341 1.4314e-05 deg
peri 155.3892970580109 2.7959e-05 deg
M 131.0949587464653 2.3754e-05 deg
tp 2457869.479023783120
(2017-Apr-25.97902378)
0.00013112 TDB
period 2007.457448817975
5.50
2.2913e-05
6.273e-08
d
yr
n .1793313229189361 2.0468e-09 deg/d
Q 3.463963460916935 2.6358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1051  
   data-arc span      15713 days (43.02 yr)  
   first obs. used      1976-05-03  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4967  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:14:02  

Additional Information
 Earth MOID = 1.78365 au 
 Jupiter MOID = 1.95959 au 
 T_jup = 3.104 
[ 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 13.2   n/a MPO385195  
diameter diameter 11.025 km 0.343 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.084   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58906 (1998 KN18)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KN18 = 1976 JW6 = 2000 SV100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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