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146428 (2001 QC258)
Classification: Main-belt Asteroid          SPK-ID: 2146428
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1782769302617477 8.2951e-08  
a 2.547657960423357 2.1876e-08 au
q 2.093469319882176 2.1462e-07 au
i 7.642421242688869 6.9069e-06 deg
node 89.05265159122854 6.0302e-05 deg
peri 252.3469293674201 6.3754e-05 deg
M 119.53024062099 2.6472e-05 deg
tp 2458107.342774062806
(2017-Dec-19.84277406)
0.00010469 TDB
period 1485.286069994021
4.07
1.9131e-05
5.238e-08
d
yr
n .2423775508791039 3.1218e-09 deg/d
Q 3.001846600964539 2.5776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      6822 days (18.68 yr)  
   first obs. used      2000-05-05  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58131  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:12:59  

Additional Information
 Earth MOID = 1.09914 au 
 Jupiter MOID = 2.4143 au 
 T_jup = 3.407 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456401.5 (2013-Apr-19.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1781774949549599 8.3254e-08  
q 2.093772329470695 2.1567e-07 au
tp 2456617.601286416942
(2013-Nov-21.10128642)
9.1987e-05 TDB
node 89.23406009660071 6.0199e-05 deg
peri 251.3336153889553 6.3638e-05 deg
i 7.649202208512245 6.9185e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      6822 days (18.68 yr)  
   first obs. used      2000-05-05  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58131  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:12:59  

Additional Information
 Jupiter MOID = 2.4143 au 
 T_jup = 3.407 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.931285398554409E-15 -1.789271432239479E-14 -2.77688125950278E-12 1.662639604775672E-13 -6.797907388019378E-13 5.792336118533891E-15
q -1.789271432239479E-14 4.651164257313088E-14 8.088346086433147E-12 -4.341649582001512E-13 1.948219227796447E-12 -1.351338011298467E-14
tp -2.77688125950278E-12 8.088346086433147E-12 8.461668683402275E-9 -1.04447139407035E-10 1.990426326279083E-9 5.876047608765549E-12
node 1.662639604775672E-13 -4.341649582001512E-13 -1.04447139407035E-10 3.623895084376371E-9 -3.61204183311573E-9 1.400196753740959E-10
peri -6.797907388019378E-13 1.948219227796447E-12 1.990426326279083E-9 -3.61204183311573E-9 4.049827790440079E-9 -1.373436837130253E-10
i 5.792336118533891E-15 -1.351338011298467E-14 5.876047608765549E-12 1.400196753740959E-10 -1.373436837130253E-10 4.78662319357952E-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 MPO417787  

146428 (2001 QC258)          Discovered 2001-Aug-25 by LONEOS at Anderson Mesa
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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