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100942 (1998 OQ3)
Classification: Main-belt Asteroid          SPK-ID: 2100942
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06115395187606426 4.7708e-08  
a 2.426412013236265 1.4866e-08 au
q 2.27802732974731 1.2372e-07 au
i 5.464188963611153 3.9035e-06 deg
node 273.6551030175203 5.1785e-05 deg
peri 58.50717800438083 6.2688e-05 deg
M 308.662515256 3.5022e-05 deg
tp 2459397.368999493585
(2021-Jul-01.86899949)
0.0001344 TDB
period 1380.528091142483
3.78
1.2687e-05
3.474e-08
d
yr
n .26076977521122 2.3966e-09 deg/d
Q 2.574796696725219 1.5775e-08 au
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      8006 days (21.92 yr)  
   first obs. used      1998-07-23  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65374  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:28  

Additional Information
 Earth MOID = 1.2703 au 
 Jupiter MOID = 2.62464 au 
 T_jup = 3.501 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457438.5 (2016-Feb-20.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06008824838956092 4.769e-08  
q 2.281260597762602 1.2343e-07 au
tp 2458016.962538016094
(2017-Sep-20.46253802)
0.00013674 TDB
node 273.7027668069879 5.1794e-05 deg
peri 58.33835030357537 6.3054e-05 deg
i 5.462987820221652 3.9028e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      8006 days (21.92 yr)  
   first obs. used      1998-07-23  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65374  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:28  

Additional Information
 Jupiter MOID = 2.62464 au 
 T_jup = 3.501 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.274332442442607E-15 -5.858699140294769E-15 1.12405307701418E-12 4.090790022032728E-14 3.178531309059145E-13 -1.444608433181797E-15
q -5.858699140294769E-15 1.523604796226334E-14 -2.786345913655926E-12 -1.050543728730276E-13 -8.066263283078686E-13 3.998540516323045E-15
tp 1.12405307701418E-12 -2.786345913655926E-12 1.869738341647652E-8 -7.777609003113531E-12 4.94415873546667E-9 5.761425443270692E-12
node 4.090790022032728E-14 -1.050543728730276E-13 -7.777609003113531E-12 2.682641231279388E-9 -2.670927822092488E-9 -5.394177963525912E-12
peri 3.178531309059145E-13 -8.066263283078686E-13 4.94415873546667E-9 -2.670927822092488E-9 3.975834458965128E-9 6.78923560479371E-12
i -1.444608433181797E-15 3.998540516323045E-15 5.761425443270692E-12 -5.394177963525912E-12 6.78923560479371E-12 1.523196174322181E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.48   n/a E2021B55  

100942 (1998 OQ3)          Discovered 1998-Jul-23 by ODAS at Caussols
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 OQ3 = 2003 YK42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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