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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1995838704242971 3.9794e-08  
a 2.417528443960761 1.0447e-08 au
q 1.935028760254244 9.6772e-08 au
i 2.647033808811456 5.31e-06 deg
node 30.63905777606275 0.00010286 deg
peri 223.6048132566443 0.00010381 deg
M 38.17589933058814 1.575e-05 deg
tp 2459250.906297069823
(2021-Feb-05.40629707)
5.9633e-05 TDB
period 1372.953459484521
3.76
8.8998e-06
2.437e-08
d
yr
n .2622084510680813 1.6997e-09 deg/d
Q 2.900028127667278 1.2532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      479  
   data-arc span      10010 days (27.41 yr)  
   first obs. used      1994-03-14  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59001  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:44:35  

Additional Information
 Earth MOID = .92163 au 
 Jupiter MOID = 2.15204 au 
 T_jup = 3.487 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.43   n/a E2021B10  

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

Alternate Designations
 1998 KQ18 = 1999 UH33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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