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JPL Small-Body Database Browser
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74058 (1998 KQ18)
Classification: Main-belt Asteroid          SPK-ID: 2074058
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1992785545334252 5.6459e-08  
a 2.417402590222494 1.5433e-08 au
q 1.935666096317597 1.4004e-07 au
i 2.647075923949229 7.4831e-06 deg
node 30.66475784074198 0.00010365 deg
peri 223.4367521216763 0.0001051 deg
M 189.5514582042228 2.041e-05 deg
tp 2459250.499003630341
(2021-Feb-04.99900363)
8.179e-05 TDB
period 1372.84624932309
3.76
1.3147e-05
3.599e-08
d
yr
n .2622289278041917 2.5112e-09 deg/d
Q 2.89913908412739 1.8509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      397  
   data-arc span      9339 days (25.57 yr)  
   first obs. used      1994-03-14  
   last obs. used      2019-10-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60743  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:49:27  

Additional Information
 Earth MOID = .921877 au 
 Jupiter MOID = 2.15447 au 
 T_jup = 3.487 
[ 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 16.3   n/a MPO459334  

74058 (1998 KQ18)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KQ18 = 1999 UH33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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