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109355 (2001 QC154)
Classification: Main-belt Asteroid          SPK-ID: 2109355
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03685724786920622 5.697e-08  
a 2.630917439123567 1.6425e-08 au
q 2.533949062946372 1.4927e-07 au
i 6.297786133379263 4.0781e-06 deg
node 51.44115069233304 4.2475e-05 deg
peri 308.7048859330026 7.0199e-05 deg
M 139.2570335826594 5.6178e-05 deg
tp 2458397.560279405363
(2018-Oct-06.06027941)
0.00024252 TDB
period 1558.688231608991
4.27
1.4596e-05
3.996e-08
d
yr
n .230963442656125 2.1628e-09 deg/d
Q 2.727885815300761 1.703e-08 au
  Orbit Determination Parameters
   # obs. used (total)      651  
   data-arc span      6831 days (18.70 yr)  
   first obs. used      2001-08-28  
   last obs. used      2020-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52546  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:12:34  

Additional Information
 Earth MOID = 1.53696 au 
 Jupiter MOID = 2.41933 au 
 T_jup = 3.390 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457131.5 (2015-Apr-19.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03635913353179174 5.7407e-08  
q 2.534499929004004 1.5037e-07 au
tp 2456825.804566594668
(2014-Jun-17.30456659)
0.00024232 TDB
node 51.51244507617513 4.2527e-05 deg
peri 305.6899639552036 7.03e-05 deg
i 6.295188828658075 4.0752e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      651  
   data-arc span      6831 days (18.70 yr)  
   first obs. used      2001-08-28  
   last obs. used      2020-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52546  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:12:34  

Additional Information
 Jupiter MOID = 2.41933 au 
 T_jup = 3.390 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.295571338556902E-15 -8.585057712031555E-15 -1.241581908230098E-12 -1.899204562160862E-14 -4.28506270940933E-13 4.386633109566837E-15
q -8.585057712031555E-15 2.261100255683769E-14 3.550610263483162E-12 5.066661059910453E-14 1.193238715828988E-12 -1.106298561215933E-14
tp -1.241581908230098E-12 3.550610263483162E-12 5.871906593698969E-8 1.096076024674976E-11 1.357877170778699E-8 -1.16034160821531E-11
node -1.899204562160862E-14 5.066661059910453E-14 1.096076024674976E-11 1.808583289259754E-9 -1.793918580524268E-9 -1.997623375307578E-11
peri -4.28506270940933E-13 1.193238715828988E-12 1.357877170778699E-8 -1.793918580524268E-9 4.942092998620484E-9 1.696976974065295E-11
i 4.386633109566837E-15 -1.106298561215933E-14 -1.16034160821531E-11 -1.997623375307578E-11 1.696976974065295E-11 1.660762835102304E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO453553  

109355 (2001 QC154)          Discovered 2001-Aug-28 by Hug, G. at Farpoint
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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