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295464 (2008 QN1)
Classification: Main-belt Asteroid          SPK-ID: 2295464
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2334420258907526 7.4354e-08  
a 3.075079254297937 2.3393e-08 au
q 2.357226523400001 2.337e-07 au
i 9.432436747949994 8.0593e-06 deg
node 347.0217518534344 3.5263e-05 deg
peri 37.43568791583736 4.2083e-05 deg
M 31.37228816665924 1.6071e-05 deg
tp 2458828.856804330209
(2019-Dec-11.35680433)
8.7938e-05 TDB
period 1969.622047103133
5.39
2.2476e-05
6.154e-08
d
yr
n .1827761831410641 2.0857e-09 deg/d
Q 3.792931985195872 2.8854e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      9887 days (27.07 yr)  
   first obs. used      1992-10-01  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56189  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:00:23  

Additional Information
 Earth MOID = 1.36822 au 
 Jupiter MOID = 1.74507 au 
 T_jup = 3.167 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457454.5 (2016-Mar-07.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2301807352461033 7.6147e-08  
q 2.372552271996575 2.3959e-07 au
tp 2456843.466066605250
(2014-Jul-04.96606661)
9.6391e-05 TDB
node 347.4254141364494 3.4775e-05 deg
peri 35.52183246862182 4.2418e-05 deg
i 9.501379779697711 8.0858e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      9887 days (27.07 yr)  
   first obs. used      1992-10-01  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56189  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:00:23  

Additional Information
 Jupiter MOID = 1.74507 au 
 T_jup = 3.167 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.798322966978932E-15 -1.81994584359521E-14 -3.572057555409929E-12 3.765326971920002E-14 -1.025644245766899E-12 -1.769931277959718E-14
q -1.81994584359521E-14 5.740313321041496E-14 1.096105444593302E-11 -1.22745358744242E-13 3.195395435848941E-12 5.816204893227017E-14
tp -3.572057555409929E-12 1.096105444593302E-11 9.291163363265559E-9 -6.200313701008187E-11 2.363372450115922E-9 -5.810131439712117E-12
node 3.765326971920002E-14 -1.22745358744242E-13 -6.200313701008187E-11 1.2093227227392E-9 -1.206603279590577E-9 5.821198704022159E-11
peri -1.025644245766899E-12 3.195395435848941E-12 2.363372450115922E-9 -1.206603279590577E-9 1.799282419496116E-9 -5.875007684841728E-11
i -1.769931277959718E-14 5.816204893227017E-14 -5.810131439712117E-12 5.821198704022159E-11 -5.875007684841728E-11 6.537995294664269E-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 16.3   n/a MPO494580  

295464 (2008 QN1)          Discovered 2008-Aug-23 by La Sagra at La Sagra
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 QN1 = 2003 UH151 = 2005 CZ41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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