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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1010776805115345 4.6928e-08  
a 2.773587039659476 1.8048e-08 au
q 2.493239294993843 1.3308e-07 au
i 1.26206729356874 5.2966e-06 deg
node 345.673860295175 0.00020442 deg
peri 43.3005939153892 0.00020577 deg
M 148.4943139200043 2.5075e-05 deg
tp 2457904.565367612561
(2017-May-31.06536761)
0.00011432 TDB
period 1687.178862582207
4.62
1.6468e-05
4.509e-08
d
yr
n .2133739391738375 2.0827e-09 deg/d
Q 3.05393478432511 1.9873e-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 = 1.49754 au 
 Jupiter MOID = 2.36281 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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