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JPL Small-Body Database Browser
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243091 (2007 QH8)
Classification: Main-belt Asteroid          SPK-ID: 2243091
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 .1994652415190598 5.8547e-08  
a 2.380511831541614 1.1952e-08 au
q 1.905682464124187 1.4148e-07 au
i 2.415875392533181 4.1905e-06 deg
node 92.54963535221037 0.00013001 deg
peri 252.3997827258601 0.00013036 deg
M 170.9072981504829 9.9638e-06 deg
tp 2458363.613488516064
(2018-Sep-02.11348852)
3.612e-05 TDB
period 1341.540979322825
3.67
1.0103e-05
2.766e-08
d
yr
n .2683481202204636 2.021e-09 deg/d
Q 2.855341198959042 1.4336e-08 au
  Orbit Determination Parameters
   # obs. used (total)      383  
   data-arc span      8518 days (23.32 yr)  
   first obs. used      1996-10-07  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53405  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:16:47  

Additional Information
 Earth MOID = .899934 au 
 Jupiter MOID = 2.55583 au 
 T_jup = 3.510 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457441.5 (2016-Feb-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2002220983461911 5.888e-08  
q 1.903482201576025 1.4237e-07 au
tp 2457020.006435127717
(2014-Dec-28.50643513)
3.5533e-05 TDB
node 92.61665901859281 0.00013009 deg
peri 251.9562664442804 0.00013044 deg
i 2.415776841764782 4.19e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      383  
   data-arc span      8518 days (23.32 yr)  
   first obs. used      1996-10-07  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53405  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:16:47  

Additional Information
 Jupiter MOID = 2.55583 au 
 T_jup = 3.510 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.466907302955274E-15 -8.364753857329582E-15 1.04082511507314E-13 -5.131841742669382E-15 -8.451196652213605E-14 -3.78757174877846E-15
q -8.364753857329582E-15 2.026910212237793E-14 -2.882410110680833E-13 1.508265186559534E-14 1.974882374795182E-13 9.314981596013005E-15
tp 1.04082511507314E-13 -2.882410110680833E-13 1.262584173011819E-9 -4.346287270476119E-12 3.626426673787934E-10 -1.261721243166469E-13
node -5.131841742669382E-15 1.508265186559534E-14 -4.346287270476119E-12 1.692448389823319E-8 -1.691024726803715E-8 6.891892338168883E-11
peri -8.451196652213605E-14 1.974882374795182E-13 3.626426673787934E-10 -1.691024726803715E-8 1.701390503420312E-8 -6.879037739687653E-11
i -3.78757174877846E-15 9.314981596013005E-15 -1.261721243166469E-13 6.891892338168883E-11 -6.879037739687653E-11 1.755627584232806E-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 16.9   n/a MPO257996  

243091 (2007 QH8)          Discovered 2007-Aug-21 by LONEOS at Anderson Mesa
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2007 QH8 = 1996 TV66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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