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74271 (1998 SK111)
Classification: Main-belt Asteroid          SPK-ID: 2074271
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1004991781665167 4.7014e-08  
a 2.775315437453555 1.7838e-08 au
q 2.496398516836626 1.3354e-07 au
i 1.261818724122265 5.2953e-06 deg
node 345.6505432458453 0.00020442 deg
peri 43.06572895372017 0.00020578 deg
M 234.1008099996212 2.5597e-05 deg
tp 2459591.091767964433
(2022-Jan-11.59176796)
0.00012322 TDB
period 1688.756190302384
4.62
1.6281e-05
4.457e-08
d
yr
n .2131746441951098 2.0552e-09 deg/d
Q 3.054232358070484 1.963e-08 au
  Orbit Determination Parameters
   # obs. used (total)      650  
   data-arc span      7527 days (20.61 yr)  
   first obs. used      1998-09-15  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58201  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:49:09  

Additional Information
 Earth MOID = 1.50133 au 
 Jupiter MOID = 2.36311 au 
 T_jup = 3.328 
[ 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 15.4   n/a MPO436302  

74271 (1998 SK111)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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