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187141 (2005 QG146)
Classification: Main-belt Asteroid          SPK-ID: 2187141
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2183904936449209 3.9437e-08  
a 2.390095490567004 9.9263e-09 au
q 1.868121356523577 9.1684e-08 au
i 6.115471749812986 3.7901e-06 deg
node 123.8787299894354 4.4388e-05 deg
peri 200.81528194579 4.5537e-05 deg
M 62.98400065515031 1.0446e-05 deg
tp 2458964.371152290778
(2020-Apr-24.87115229)		 3.8545e-05 TDB
period 1349.650455529913
3.70		 8.4078e-06
2.302e-08		 d
yr
n .2667357303700188 1.6617e-09 deg/d
Q 2.912069624610432 1.2094e-08 au
   Orbit Determination Parameters
   # obs. used (total)      508  
   data-arc span      6162 days (16.87 yr)  
   first obs. used      2004-03-20  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54281  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:10  

Additional Information
 Earth MOID = .855345 au 
 Jupiter MOID = 2.42375 au 
 T_jup = 3.492 
[ 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 16.60   n/a E2021B55  

187141 (2005 QG146)          Discovered 2005-Aug-28 by LONEOS at Anderson Mesa
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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