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85650 (1998 QH6)
Classification: Outer Main-belt Asteroid          SPK-ID: 2085650
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1160379244064684 4.949e-08  
a 3.221067088621205 3.0763e-08 au
q 2.847301149283614 1.6555e-07 au
i 15.52371214927934 7.3656e-06 deg
node 203.0991210593366 1.449e-05 deg
peri 121.057565603289 3.1463e-05 deg
M 328.2214132624996 2.8055e-05 deg
tp 2459186.893241488152
(2020-Dec-03.39324149)
0.00016527 TDB
period 2111.534017859618
5.78
3.0249e-05
8.282e-08
d
yr
n .1704921620750957 2.4424e-09 deg/d
Q 3.594833027958795 3.4332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      511  
   data-arc span      8849 days (24.23 yr)  
   first obs. used      1996-04-18  
   last obs. used      2020-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58512  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:15  

Additional Information
 Earth MOID = 1.87402 au 
 Jupiter MOID = 1.89261 au 
 T_jup = 3.121 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457233.5 (2015-Jul-30.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1159529060687751 5.0091e-08  
q 2.844609931764933 1.6724e-07 au
tp 2457087.446191101116
(2015-Mar-05.94619110)
0.00015857 TDB
node 203.1774719305158 1.4474e-05 deg
peri 122.3950913290268 3.122e-05 deg
i 15.54047963839948 7.3708e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      511  
   data-arc span      8849 days (24.23 yr)  
   first obs. used      1996-04-18  
   last obs. used      2020-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58512  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:15  

Additional Information
 Jupiter MOID = 1.89261 au 
 T_jup = 3.121 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.509077811176331E-15 -8.269789995346695E-15 4.575761038324133E-12 -1.562577003469788E-15 7.814499504925933E-13 1.185327680812792E-15
q -8.269789995346695E-15 2.797085423861576E-14 -1.438411031869598E-11 4.611512323940652E-15 -2.443689060482692E-12 -2.772946800946323E-15
tp 4.575761038324133E-12 -1.438411031869598E-11 2.514300709372495E-8 -8.331120286682609E-12 4.39660107804067E-9 -4.006192658103758E-12
node -1.562577003469788E-15 4.611512323940652E-15 -8.331120286682609E-12 2.094839438987864E-10 -2.029119565301976E-10 -1.313530144111737E-11
peri 7.814499504925933E-13 -2.443689060482692E-12 4.39660107804067E-9 -2.029119565301976E-10 9.746692499439776E-10 1.196905079395477E-11
i 1.185327680812792E-15 -2.772946800946323E-15 -4.006192658103758E-12 -1.313530144111737E-11 1.196905079395477E-11 5.432931664361173E-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 14.5   n/a MPO432400  

85650 (1998 QH6)          Discovered 1998-Aug-24 by ODAS at Caussols
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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Alternate Designations
 1998 QH6 = 2002 JF62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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