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JPL Small-Body Database Browser
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91819 (1999 TB268)
Classification: Main-belt Asteroid          SPK-ID: 2091819
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1311660931034016 5.254e-08  
a 2.942974387458165 2.2071e-08 au
q 2.556955934951901 1.6178e-07 au
i 9.737143853427192 4.3212e-06 deg
node 257.9542808900029 3.5183e-05 deg
peri 128.0018912134022 4.0062e-05 deg
M 21.81558907817233 1.9288e-05 deg
tp 2458888.751270458465
(2020-Feb-09.25127046)
9.8561e-05 TDB
period 1844.073175874232
5.05
2.0744e-05
5.679e-08
d
yr
n .1952200187659757 2.1961e-09 deg/d
Q 3.328992839964429 2.4966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      794  
   data-arc span      7415 days (20.30 yr)  
   first obs. used      1999-09-18  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49262  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:04:49  

Additional Information
 Earth MOID = 1.57603 au 
 Jupiter MOID = 2.14303 au 
 T_jup = 3.238 
[ show covariance matrix ]

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 MPO453358  

91819 (1999 TB268)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 TB268 = 2000 YQ102 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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