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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166516776199437 5.6197e-08  
a 3.113845318860472 3.0333e-08 au
q 2.75061003856639 1.794e-07 au
i 8.049866932362802 5.2165e-06 deg
node 85.21982685351114 4.3946e-05 deg
peri 297.5115713997773 5.1672e-05 deg
M 276.7284347892244 3.3698e-05 deg
tp 2459464.735349100666
(2021-Sep-07.23534910)
0.0001926 TDB
period 2006.984319956236
5.49
2.9326e-05
8.029e-08
d
yr
n .1793735986974976 2.621e-09 deg/d
Q 3.477080599154555 3.3871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      644  
   data-arc span      7178 days (19.65 yr)  
   first obs. used      1999-09-14  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54861  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:04:22  

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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