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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 ]

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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 .1166516969367434 5.1829e-08  
a 3.11384534673665 2.6234e-08 au
q 2.750610003041237 1.6964e-07 au
i 8.049870750671154 4.922e-06 deg
node 85.21983462115952 3.7039e-05 deg
peri 297.5115963064947 4.4653e-05 deg
M 276.7283953681461 2.9916e-05 deg
tp 2459464.735575105447
(2021-Sep-07.23557511)
0.00017057 TDB
period 2006.984346907022
5.49
2.5363e-05
6.944e-08
d
yr
n .1793735962887796 2.2668e-09 deg/d
Q 3.477080690432062 2.9294e-08 au
  Orbit Determination Parameters
   # obs. used (total)      747  
   data-arc span      7624 days (20.87 yr)  
   first obs. used      1999-09-14  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:18:36  

Additional Information
 Earth MOID = 1.76636 au 
 Jupiter MOID = 1.99487 au 
 T_jup = 3.193 
[ show covariance matrix ]

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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