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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1994652719313922 6.0242e-08  
a 2.380511832344088 1.2893e-08 au
q 1.905682392369678 1.4641e-07 au
i 2.415870252930431 4.4015e-06 deg
node 92.5499671796147 0.00014935 deg
peri 252.3994312948334 0.00014981 deg
M 170.9073110590853 1.0769e-05 deg
tp 2458363.613440090079
(2018-Sep-02.11344009)
4.0054e-05 TDB
period 1341.540980001178
3.67
1.0899e-05
2.984e-08
d
yr
n .2683481200847729 2.1802e-09 deg/d
Q 2.855341272318498 1.5465e-08 au
  Orbit Determination Parameters
   # obs. used (total)      355  
   data-arc span      8072 days (22.10 yr)  
   first obs. used      1996-10-07  
   last obs. used      2018-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5483  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:29:00  

Additional Information
 Earth MOID = .899934 au 
 Jupiter MOID = 2.55583 au 
 T_jup = 3.510 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457064.5 (2015-Feb-11.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2004214596006441 6.0531e-08  
q 1.903119485523626 1.4722e-07 au
tp 2457020.060475579713
(2014-Dec-28.56047558)
4.135e-05 TDB
node 92.61855751133442 0.00014941 deg
peri 251.9536894423242 0.00014986 deg
i 2.415843915903004 4.4006e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      355  
   data-arc span      8072 days (22.10 yr)  
   first obs. used      1996-10-07  
   last obs. used      2018-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5483  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:29:00  

Additional Information
 Jupiter MOID = 2.55583 au 
 T_jup = 3.510 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.663982428796365E-15 -8.8915586738351E-15 4.24599630401219E-13 3.168226279177968E-14 -1.048363338196185E-14 -4.912286817304497E-15
q -8.8915586738351E-15 2.167505796190952E-14 -1.136434469972978E-12 -7.443619697936343E-14 -6.225535823373304E-15 1.214103070579908E-14
tp 4.24599630401219E-13 -1.136434469972978E-12 1.709820453725738E-9 -6.739976430567848E-12 5.167928837791967E-10 -7.366497428670449E-13
node 3.168226279177968E-14 -7.443619697936343E-14 -6.739976430567848E-12 2.23231324637953E-8 -2.230578332293907E-8 -2.983743443527314E-11
peri -1.048363338196185E-14 -6.225535823373304E-15 5.167928837791967E-10 -2.230578332293907E-8 2.245765735712609E-8 2.968416242112128E-11
i -4.912286817304497E-15 1.214103070579908E-14 -7.366497428670449E-13 -2.983743443527314E-11 2.968416242112128E-11 1.936508779396139E-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

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