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91201 (1998 SC162)
Classification: Main-belt Asteroid          SPK-ID: 2091201
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08035150492759731 3.944e-08  
a 3.19783899729063 2.4005e-08 au
q 2.940887821342169 1.29e-07 au
i 16.82316321860053 5.7947e-06 deg
node 38.94789100545027 1.6573e-05 deg
peri 45.35038778842489 4.1847e-05 deg
M 294.6172947320125 3.901e-05 deg
tp 2459775.853157856232
(2022-Jul-15.35315786)
0.00022709 TDB
period 2088.734876730605
5.72
2.352e-05
6.439e-08
d
yr
n .172353132994787 1.9407e-09 deg/d
Q 3.454790173239091 2.5934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1000  
   data-arc span      8354 days (22.87 yr)  
   first obs. used      1998-09-24  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57497  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:01:45  

Additional Information
 Earth MOID = 1.97812 au 
 Jupiter MOID = 1.89967 au 
 T_jup = 3.123 
[ 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 13.83   n/a E2021B10  

91201 (1998 SC162)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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