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JPL Small-Body Database Browser
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193191 (2000 QT85)
Classification: Main-belt Asteroid          SPK-ID: 2193191
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .192505959344924 4.8836e-08  
a 2.428167300329163 1.1587e-08 au
q 1.960730624729323 1.215e-07 au
i 2.478015653954506 4.3156e-06 deg
node 230.1692646142919 0.0001499 deg
peri 137.6804066922684 0.00015086 deg
M 313.6997292893117 1.5196e-05 deg
tp 2458778.244988938371
(2019-Oct-21.74498894)
5.8554e-05 TDB
period 1382.026390680306
3.78
9.8922e-06
2.708e-08
d
yr
n .2604870662584012 1.8645e-09 deg/d
Q 2.895603975929002 1.3817e-08 au
  Orbit Determination Parameters
   # obs. used (total)      379  
   data-arc span      7947 days (21.76 yr)  
   first obs. used      1998-01-18  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51063  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 21:45:13  

Additional Information
 Earth MOID = .959789 au 
 Jupiter MOID = 2.57087 au 
 T_jup = 3.482 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457033.5 (2015-Jan-11.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1943194201611867 4.9078e-08  
q 1.955770831284132 1.2234e-07 au
tp 2457395.013010269645
(2016-Jan-07.51301027)
5.6144e-05 TDB
node 230.2207308961341 0.00015014 deg
peri 137.4331313300179 0.00015106 deg
i 2.475342797322935 4.3163e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      379  
   data-arc span      7947 days (21.76 yr)  
   first obs. used      1998-01-18  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51063  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 21:45:13  

Additional Information
 Jupiter MOID = 2.57087 au 
 T_jup = 3.482 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.408648473036801E-15 -5.988523504860178E-15 -9.015015445259278E-13 -1.902603173458598E-14 -1.940319173321455E-13 -3.544573808094604E-15
q -5.988523504860178E-15 1.496814435699211E-14 2.207429050108238E-12 4.97621826767718E-14 4.62628412175092E-13 8.861553426368805E-15
tp -9.015015445259278E-13 2.207429050108238E-12 3.152159655906105E-9 1.335491332553158E-12 9.732015098250019E-10 3.71046959214264E-12
node -1.902603173458598E-14 4.97621826767718E-14 1.335491332553158E-12 2.254215282363923E-8 -2.252160675727496E-8 -3.999528063273814E-11
peri -1.940319173321455E-13 4.62628412175092E-13 9.732015098250019E-10 -2.252160675727496E-8 2.281851600086576E-8 4.102364834201963E-11
i -3.544573808094604E-15 8.861553426368805E-15 3.71046959214264E-12 -3.999528063273814E-11 4.102364834201963E-11 1.863007537622594E-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 16.7   n/a MPO440065  

193191 (2000 QT85)          Discovered 2000-Aug-25 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 2000 QT85 = 2004 SP49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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