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181142 (2005 QF174)
Classification: Main-belt Asteroid          SPK-ID: 2181142
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03994248408777855 3.962e-08  
a 2.798158304223919 2.0959e-08 au
q 2.68639291068237 1.1349e-07 au
i 8.041200578179225 4.7013e-06 deg
node 190.4053567898317 3.02e-05 deg
peri 243.2006992261855 6.485e-05 deg
M 12.55971986018853 5.8075e-05 deg
tp 2459140.853591291325
(2020-Oct-18.35359129)
0.00027565 TDB
period 1709.648572910195
4.68
1.9209e-05
5.259e-08
d
yr
n .2105695905604749 2.3659e-09 deg/d
Q 2.909923697765468 2.1796e-08 au
  Orbit Determination Parameters
   # obs. used (total)      367  
   data-arc span      6971 days (19.09 yr)  
   first obs. used      2001-12-11  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53107  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:23  

Additional Information
 Earth MOID = 1.71019 au 
 Jupiter MOID = 2.20326 au 
 T_jup = 3.311 
[ 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 16.10   n/a MPCxxxxx  

181142 (2005 QF174)          Discovered 2005-Aug-31 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 QF174 = 2003 EQ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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