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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1311660959166297 5.2369e-08  
a 2.942974385252376 2.1902e-08 au
q 2.556955924756178 1.6111e-07 au
i 9.737143761963019 4.2959e-06 deg
node 257.9542819065887 3.4982e-05 deg
peri 128.0018883889502 3.9829e-05 deg
M 21.81559146050083 1.9042e-05 deg
tp 2458888.751258380800
(2020-Feb-09.25125838)
9.7326e-05 TDB
period 1844.073173801005
5.05
2.0586e-05
5.636e-08
d
yr
n .1952200189854547 2.1793e-09 deg/d
Q 3.328992845748573 2.4775e-08 au
  Orbit Determination Parameters
   # obs. used (total)      806  
   data-arc span      7622 days (20.87 yr)  
   first obs. used      1999-09-18  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48999  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:19:57  

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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