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JPL Small-Body Database Browser
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91649 (1999 TE99)
Classification: Main-belt Asteroid          SPK-ID: 2091649
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166517018831882 5.4721e-08  
a 3.113845350190979 2.9518e-08 au
q 2.750609990690149 1.7493e-07 au
i 8.049872619680853 5.0935e-06 deg
node 85.21981103816483 4.0721e-05 deg
peri 297.5116221124334 4.8533e-05 deg
M 276.7283917996175 3.2931e-05 deg
tp 2459464.735595772335
(2021-Sep-07.23559577)
0.0001883 TDB
period 2006.98435024668
5.49
2.8538e-05
7.813e-08
d
yr
n .1793735959902987 2.5506e-09 deg/d
Q 3.477080709691809 3.2961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      7220 days (19.77 yr)  
   first obs. used      1999-09-14  
   last obs. used      2019-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56216  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:34:54  

Additional Information
 Earth MOID = 1.76636 au 
 Jupiter MOID = 1.99487 au 
 T_jup = 3.193 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456947.5 (2014-Oct-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1206740313846779 5.4635e-08  
q 2.73185841508135 1.7471e-07 au
tp 2457466.871704377725
(2016-Mar-19.37170438)
0.00016562 TDB
node 85.25125318498144 4.0733e-05 deg
peri 298.3747773100071 4.8152e-05 deg
i 8.055610087932692 5.1017e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      7220 days (19.77 yr)  
   first obs. used      1999-09-14  
   last obs. used      2019-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56216  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:34:54  

Additional Information
 Jupiter MOID = 1.99487 au 
 T_jup = 3.193 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.984978114893571E-15 -9.449958880523106E-15 -7.381693762840625E-13 1.121641047294226E-14 -1.113242869017476E-13 2.532089522194196E-15
q -9.449958880523106E-15 3.052191384865478E-14 4.780241405336499E-12 -2.96512442254451E-14 7.061988601869477E-13 -7.497722421412076E-15
tp -7.381693762840625E-13 4.780241405336499E-12 2.743051433848183E-8 3.191915197216803E-11 4.30669105814704E-9 2.486587167133323E-14
node 1.121641047294226E-14 -2.96512442254451E-14 3.191915197216803E-11 1.659199408524807E-9 -1.637737804863106E-9 -4.631273593959339E-11
peri -1.113242869017476E-13 7.061988601869477E-13 4.30669105814704E-9 -1.637737804863106E-9 2.318627790417268E-9 4.587555898960793E-11
i 2.532089522194196E-15 -7.497722421412076E-15 2.486587167133323E-14 -4.631273593959339E-11 4.587555898960793E-11 2.6027399007462E-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 14.2   n/a MPO264001  
diameter diameter 5.488 km 0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.147   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91649 (1999 TE99)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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