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118298 (1998 SC131)
Classification: Main-belt Asteroid          SPK-ID: 2118298
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1826526792148185 4.0618e-08  
a 2.255280436259618 9.5096e-09 au
q 1.843347422196034 9.3324e-08 au
i 4.336162919116521 4.5438e-06 deg
node 213.810302223353 6.5141e-05 deg
peri 183.0867536190932 6.6705e-05 deg
M 186.046846496107 1.5691e-05 deg
tp 2459798.263043215070
(2022-Aug-06.76304322)
5.6051e-05 TDB
period 1237.084187454004
3.39
7.8244e-06
2.142e-08
d
yr
n .2910068721684193 1.8406e-09 deg/d
Q 2.667213450323203 1.1247e-08 au
  Orbit Determination Parameters
   # obs. used (total)      566  
   data-arc span      7909 days (21.65 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60179  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:12:31  

Additional Information
 Earth MOID = .84942 au 
 Jupiter MOID = 2.7515 au 
 T_jup = 3.598 
[ 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 16.53   n/a E2021B55  

118298 (1998 SC131)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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