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JPL Small-Body Database Browser
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91733 (1999 TO164)
Classification: Main-belt Asteroid          SPK-ID: 2091733
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01131490464550121 3.8975e-08  
a 2.931022761911875 1.9556e-08 au
q 2.897858518847048 1.203e-07 au
i 10.79846666014989 4.7773e-06 deg
node 7.449672610494752 2.2282e-05 deg
peri 71.73844884216228 0.00022315 deg
M 344.5012304267569 0.00022103 deg
tp 2459079.408163224505
(2020-Aug-17.90816322)
0.0011254 TDB
period 1832.851222581132
5.02
1.8344e-05
5.022e-08
d
yr
n .1964152875938431 1.9658e-09 deg/d
Q 2.964187004976702 1.9777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      7348 days (20.12 yr)  
   first obs. used      1999-10-01  
   last obs. used      2019-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55824  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:49:16  

Additional Information
 Earth MOID = 1.91782 au 
 Jupiter MOID = 2.03537 au 
 T_jup = 3.250 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457048.5 (2015-Jan-26.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .008683612538653952 3.9305e-08  
q 2.904757578340148 1.2096e-07 au
tp 2457209.963284639522
(2015-Jul-06.46328464)
0.0014586 TDB
node 7.498225233118565 2.2249e-05 deg
peri 64.5876021010848 0.00028881 deg
i 10.80935985120316 4.7797e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      7348 days (20.12 yr)  
   first obs. used      1999-10-01  
   last obs. used      2019-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55824  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:49:16  

Additional Information
 Jupiter MOID = 2.03537 au 
 T_jup = 3.250 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.544898053415672E-15 -4.696219174323787E-15 -7.717845573689508E-12 5.937106076743787E-16 -1.521311674303898E-12 -1.836727645943757E-15
q -4.696219174323787E-15 1.463195686990184E-14 2.469489265458646E-11 -1.22080548502383E-15 4.861729154846986E-12 6.53210053817604E-15
tp -7.717845573689508E-12 2.469489265458646E-11 2.127547798483321E-6 -2.468171272893593E-10 4.20032908209057E-7 -3.753211981920274E-11
node 5.937106076743787E-16 -1.22080548502383E-15 -2.468171272893593E-10 4.95031527590673E-10 -5.346152043777599E-10 3.048044519476456E-12
peri -1.521311674303898E-12 4.861729154846986E-12 4.20032908209057E-7 -5.346152043777599E-10 8.341253676768616E-8 -1.037804452263236E-11
i -1.836727645943757E-15 6.53210053817604E-15 -3.753211981920274E-11 3.048044519476456E-12 -1.037804452263236E-11 2.284600213691525E-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 MPO502691  

91733 (1999 TO164)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 TO164 = 2000 XT34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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