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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 ]

[ hide orbit diagram ]

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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06104620035122351 4.7746e-08  
a 2.425641171301209 1.4898e-08 au
q 2.277564994377779 1.2371e-07 au
i 5.464789932172889 3.9039e-06 deg
node 273.6538250536754 5.1783e-05 deg
peri 58.79792090736494 6.2694e-05 deg
M 256.2005735356628 3.5032e-05 deg
tp 2459398.360398367061
(2021-Jul-02.86039837)		 0.00013447 TDB
period 1379.870277620003
3.78		 1.2713e-05
3.481e-08		 d
yr
n .2608940897117715 2.4036e-09 deg/d
Q 2.573717348224639 1.5808e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65375  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:22  

Additional Information
 Earth MOID = 1.27186 au 
 Jupiter MOID = 2.62714 au 
 T_jup = 3.502 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457438.5 (2016-Feb-20.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06008824955832309 4.769e-08  
q 2.281260594411447 1.2343e-07 au
tp 2458016.962538060253
(2017-Sep-20.46253806)		 0.00013674 TDB
node 273.7027667294041 5.1794e-05 deg
peri 58.33835040961603 6.3054e-05 deg
i 5.462987815885859 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65375  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:22  

Additional Information
 Jupiter MOID = 2.62714 au 
 T_jup = 3.502 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.274333458643688E-15 -5.858702196440749E-15 1.124053456218216E-12 4.09079193122155E-14 3.178531670718926E-13 -1.444609472194103E-15
q -5.858702196440749E-15 1.523605740724199E-14 -2.786346732934748E-12 -1.050544281212531E-13 -8.066263692046411E-13 3.998544166599869E-15
tp 1.124053456218216E-12 -2.786346732934748E-12 1.869738064320646E-8 -7.77761409009231E-12 4.944157987601177E-9 5.761424224475817E-12
node 4.09079193122155E-14 -1.050544281212531E-13 -7.77761409009231E-12 2.682641218733908E-9 -2.670927811439345E-9 -5.394176639126049E-12
peri 3.178531670718926E-13 -8.066263692046411E-13 4.944157987601177E-9 -2.670927811439345E-9 3.97583424906062E-9 6.78923401756475E-12
i -1.444609472194103E-15 3.998544166599869E-15 5.761424224475817E-12 -5.394176639126049E-12 6.78923401756475E-12 1.523196168833034E-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 16.4   n/a MPO320189  

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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