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109545 (2001 QF256)
Classification: Main-belt Asteroid          SPK-ID: 2109545
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .132481710678369 4.503e-08  
a 2.541088155170935 1.4196e-08 au
q 2.204440449389349 1.176e-07 au
i 7.326284541845244 6.0263e-06 deg
node 144.438307059478 3.1976e-05 deg
peri 239.4925940980933 3.8724e-05 deg
M 201.0020147208038 2.3595e-05 deg
tp 2459653.957196317173
(2022-Mar-15.45719632)
9.9726e-05 TDB
period 1479.544475114569
4.05
1.2399e-05
3.395e-08
d
yr
n .2433181334221963 2.039e-09 deg/d
Q 2.877735860952521 1.6077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      427  
   data-arc span      7746 days (21.21 yr)  
   first obs. used      1999-02-11  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60051  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:05:53  

Additional Information
 Earth MOID = 1.21761 au 
 Jupiter MOID = 2.60213 au 
 T_jup = 3.422 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456978.5 (2014-Nov-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1305292787308253 4.4734e-08  
q 2.210967793986453 1.1642e-07 au
tp 2456693.950763706824
(2014-Feb-05.45076371)
9.1412e-05 TDB
node 144.4582998156206 3.1965e-05 deg
peri 239.6393831336545 3.8949e-05 deg
i 7.324364344354786 6.0252e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      427  
   data-arc span      7746 days (21.21 yr)  
   first obs. used      1999-02-11  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60051  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:05:53  

Additional Information
 Jupiter MOID = 2.60213 au 
 T_jup = 3.422 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.00112796328117E-15 -5.179791309189592E-15 -1.891360461411028E-12 8.451064414695815E-15 -4.489781941474876E-13 3.168492483803688E-15
q -5.179791309189592E-15 1.355395269866824E-14 5.118362698591803E-12 -2.284742931184032E-14 1.220480658589785E-12 -8.130878413388136E-15
tp -1.891360461411028E-12 5.118362698591803E-12 8.356229614880552E-9 -2.368130880239488E-11 2.045554894821603E-9 -1.48326172542108E-13
node 8.451064414695815E-15 -2.284742931184032E-14 -2.368130880239488E-11 1.021777308837585E-9 -1.018887851191787E-9 2.939937306570518E-11
peri -4.489781941474876E-13 1.220480658589785E-12 2.045554894821603E-9 -1.018887851191787E-9 1.51698604857304E-9 -2.915296085212432E-11
i 3.168492483803688E-15 -8.130878413388136E-15 -1.48326172542108E-13 2.939937306570518E-11 -2.915296085212432E-11 3.630352086589218E-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 16.2   n/a MPO426694  

109545 (2001 QF256)          Discovered 2001-Aug-25 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QF256 = 2000 KD69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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