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186944 (2004 QW27)
Classification: Main-belt Asteroid          SPK-ID: 2186944
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05756669886802177 5.6227e-08  
a 3.14680138159467 3.9744e-08 au
q 2.965650414062935 1.768e-07 au
i 3.125389761064344 6.2828e-06 deg
node 235.9197959484719 9.8119e-05 deg
peri 159.6168368341902 0.00010958 deg
M 288.0851372215379 5.1492e-05 deg
tp 2459607.803911183560
(2022-Jan-28.30391118)
0.00029544 TDB
period 2038.930512567088
5.58
3.8627e-05
1.058e-07
d
yr
n .1765631529770707 3.345e-09 deg/d
Q 3.327952349126405 4.2032e-08 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      5397 days (14.78 yr)  
   first obs. used      2004-08-25  
   last obs. used      2019-06-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56265  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:20  

Additional Information
 Earth MOID = 1.97138 au 
 Jupiter MOID = 1.97146 au 
 T_jup = 3.204 
[ 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 16.00   n/a MPCxxxxx  

186944 (2004 QW27)          Discovered 2004-Aug-25 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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