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187110 (2005 QC55)
Classification: Main-belt Asteroid          SPK-ID: 2187110
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .2057258960534613 4.5272e-08  
a 2.401321220453549 7.3812e-09 au
q 1.907307260663551 1.0766e-07 au
i 2.306161987541272 3.2946e-06 deg
node 82.18453263386316 0.00012697 deg
peri 264.0144293583327 0.00012739 deg
M 35.38671892911676 9.1427e-06 deg
tp 2459066.898414914463
(2020-Aug-05.39841491)
3.4503e-05 TDB
period 1359.170109190846
3.72
6.2668e-06
1.716e-08
d
yr
n .2648675081696127 1.2212e-09 deg/d
Q 2.895335180243546 8.8997e-09 au
  Orbit Determination Parameters
   # obs. used (total)      571  
   data-arc span      9596 days (26.27 yr)  
   first obs. used      1994-10-05  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51736  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:03  

Additional Information
 Earth MOID = .900118 au 
 Jupiter MOID = 2.52224 au 
 T_jup = 3.495 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457979.5 (2017-Aug-14.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2064486418344075 4.5256e-08  
q 1.905581704151174 1.0776e-07 au
tp 2457708.636979678170
(2016-Nov-16.13697968)
3.4916e-05 TDB
node 82.18668001523892 0.00012694 deg
peri 264.263230902378 0.00012736 deg
i 2.30673266660318 3.2967e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      571  
   data-arc span      9596 days (26.27 yr)  
   first obs. used      1994-10-05  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51736  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:03  

Additional Information
 Jupiter MOID = 2.52224 au 
 T_jup = 3.495 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.048146702096839E-15 -4.870030335174773E-15 6.159163780153058E-13 1.572482158793631E-14 1.552291549330654E-13 -4.157666520494162E-15
q -4.870030335174773E-15 1.161309225488096E-14 -1.518210566868397E-12 -3.752434627755235E-14 -3.8361084367363E-13 9.917452490842759E-15
tp 6.159163780153058E-13 -1.518210566868397E-12 1.219099282927445E-9 7.386254309171532E-12 3.881672664753486E-10 -1.939814450831979E-12
node 1.572482158793631E-14 -3.752434627755235E-14 7.386254309171532E-12 1.611339675722804E-8 -1.609826355088453E-8 -1.470342377995354E-10
peri 1.552291549330654E-13 -3.8361084367363E-13 3.881672664753486E-10 -1.609826355088453E-8 1.621948103986077E-8 1.463623730689094E-10
i -4.157666520494162E-15 9.917452490842759E-15 -1.939814450831979E-12 -1.470342377995354E-10 1.463623730689094E-10 1.086843678122226E-11

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 16.90   n/a MPCxxxxx  

187110 (2005 QC55)          Discovered 2005-Aug-28 by LONEOS at Anderson Mesa
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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