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146434 (2001 QM275)
Classification: Main-belt Asteroid          SPK-ID: 2146434
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .225888183615095 5.7804e-08  
a 2.629988240552653 1.6027e-08 au
q 2.035904973965155 1.5503e-07 au
i 14.85128975233891 4.8335e-06 deg
node 269.3351594787624 2.3725e-05 deg
peri 97.83342047590835 2.5913e-05 deg
M 175.4600112687896 1.2269e-05 deg
tp 2458441.215054752924
(2018-Nov-18.71505475)
4.9745e-05 TDB
period 1557.862548351316
4.27
1.4241e-05
3.899e-08
d
yr
n .2310858556687093 2.1124e-09 deg/d
Q 3.224071507140152 1.9648e-08 au
  Orbit Determination Parameters
   # obs. used (total)      418  
   data-arc span      7248 days (19.84 yr)  
   first obs. used      2001-06-16  
   last obs. used      2021-04-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53319  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:34:43  

Additional Information
 Earth MOID = 1.09647 au 
 Jupiter MOID = 2.50733 au 
 T_jup = 3.317 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457688.5 (2016-Oct-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2246699184317628 5.7954e-08  
q 2.041354533890402 1.5529e-07 au
tp 2458440.361416672644
(2018-Nov-17.86141667)
5.016e-05 TDB
node 269.4488403310572 2.3748e-05 deg
peri 97.46766420346754 2.5934e-05 deg
i 14.83235300088386 4.832e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      418  
   data-arc span      7248 days (19.84 yr)  
   first obs. used      2001-06-16  
   last obs. used      2021-04-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53319  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:34:43  

Additional Information
 Jupiter MOID = 2.50733 au 
 T_jup = 3.317 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.35861125162714E-15 -8.971411756941545E-15 -8.921943793666213E-13 -1.790033444050158E-15 -2.772600322890536E-13 -5.782655859803607E-15
q -8.971411756941545E-15 2.411345102318043E-14 2.616695748718855E-12 6.682950525981211E-15 7.695317761784536E-13 1.5603882872013E-14
tp -8.921943793666213E-13 2.616695748718855E-12 2.516013099903396E-9 9.629932770080989E-12 5.632229393439161E-10 3.853393242890693E-12
node -1.790033444050158E-15 6.682950525981211E-15 9.629932770080989E-12 5.639462826532783E-10 -5.431537036538953E-10 2.354109016490028E-11
peri -2.772600322890536E-13 7.695317761784536E-13 5.632229393439161E-10 -5.431537036538953E-10 6.725828555462106E-10 -2.176781243598004E-11
i -5.782655859803607E-15 1.5603882872013E-14 3.853393242890693E-12 2.354109016490028E-11 -2.176781243598004E-11 2.334824308307689E-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 15.99   n/a E2021B55  

146434 (2001 QM275)          Discovered 2001-Aug-19 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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