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91768 (1999 TQ196)
Classification: Main-belt Asteroid          SPK-ID: 2091768
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .113884476776811 4.0826e-08  
a 2.997959183621415 2.3737e-08 au
q 2.656538170596455 1.3083e-07 au
i 9.942773494727131 8.3472e-06 deg
node 1.997416931175877 2.2286e-05 deg
peri 62.44297311703474 4.2447e-05 deg
M 330.0018971907136 3.7508e-05 deg
tp 2459158.489523385250
(2020-Nov-04.98952339)
0.00019827 TDB
period 1895.994182708213
5.19
2.2518e-05
6.165e-08
d
yr
n .1898740002913832 2.255e-09 deg/d
Q 3.339380196646375 2.644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      15305 days (41.90 yr)  
   first obs. used      1978-10-27  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59519  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:17:44  

Additional Information
 Earth MOID = 1.68669 au 
 Jupiter MOID = 2.03404 au 
 T_jup = 3.221 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457204.5 (2015-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1108527439528518 4.1254e-08  
q 2.666829510557017 1.3227e-07 au
tp 2457250.440041751515
(2015-Aug-15.94004175)
0.00019759 TDB
node 2.17013270656079 2.2192e-05 deg
peri 60.54267303786682 4.358e-05 deg
i 9.96849322756105 8.3625e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      15305 days (41.90 yr)  
   first obs. used      1978-10-27  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59519  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:17:44  

Additional Information
 Jupiter MOID = 2.03404 au 
 T_jup = 3.221 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.701898006928147E-15 -5.392738595460809E-15 -4.192282656242284E-12 5.310329303710984E-16 -7.544494906655544E-13 -1.525678292469339E-15
q -5.392738595460809E-15 1.749507513009105E-14 1.392409670678474E-11 -3.613548538912251E-15 2.507438413401689E-12 7.171964782549637E-15
tp -4.192282656242284E-12 1.392409670678474E-11 3.904186512242875E-8 -1.398528884826809E-11 7.418608047565522E-9 9.737445757954942E-12
node 5.310329303710984E-16 -3.613548538912251E-15 -1.398528884826809E-11 4.924687026699947E-10 -4.870432309438335E-10 -5.377512059130815E-11
peri -7.544494906655544E-13 2.507438413401689E-12 7.418608047565522E-9 -4.870432309438335E-10 1.899207023137605E-9 5.470226511647812E-11
i -1.525678292469339E-15 7.171964782549637E-15 9.737445757954942E-12 -5.377512059130815E-11 5.470226511647812E-11 6.993205524603685E-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 14.6   n/a MPO502692  

91768 (1999 TQ196)          Discovered 1999-Oct-12 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 TQ196 = 1978 UC5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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