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186938 (2004 QS)
Classification: Main-belt Asteroid          SPK-ID: 2186938
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1810528284173322 5.219e-08  
a 2.76027707576863 2.1593e-08 au
q 2.260521103985197 1.4286e-07 au
i 14.30667715677804 6.2537e-06 deg
node 151.2231688907624 1.9674e-05 deg
peri 155.7284287661005 2.5299e-05 deg
M 217.5698438701584 1.8996e-05 deg
tp 2459863.215143080772
(2022-Oct-10.71514308)
9.2497e-05 TDB
period 1675.048725577377
4.59
1.9655e-05
5.381e-08
d
yr
n .2149191211592431 2.5219e-09 deg/d
Q 3.260033047552064 2.5503e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      7494 days (20.52 yr)  
   first obs. used      2000-10-01  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60121  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:37  

Additional Information
 Earth MOID = 1.25194 au 
 Jupiter MOID = 2.09234 au 
 T_jup = 3.273 
[ 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 16.59   n/a MPCxxxxx  

186938 (2004 QS)          Discovered 2004-Aug-18 by Ferrando, R. at Pla D'Arguines
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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