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190391 (1999 TL77)
Classification: Main-belt Asteroid          SPK-ID: 2190391
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05602386230549092 5.4404e-08  
a 2.882604022276148 2.5491e-08 au
q 2.721109411450894 1.6176e-07 au
i 1.01409607216003 5.4773e-06 deg
node 262.7291753444114 0.00048355 deg
peri 148.901764929361 0.00048999 deg
M 103.5077192008106 8.1418e-05 deg
tp 2458686.520085825583
(2019-Jul-22.02008583)		 0.00040114 TDB
period 1787.622899349338
4.89		 2.3712e-05
6.492e-08		 d
yr
n .2013847552137721 2.6712e-09 deg/d
Q 3.044098633101401 2.6919e-08 au
   Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      9602 days (26.29 yr)  
   first obs. used      1994-12-03  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62607  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:07:29  

Additional Information
 Earth MOID = 1.73081 au 
 Jupiter MOID = 2.16776 au 
 T_jup = 3.291 
[ 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 16.1   n/a MPO273393  

190391 (1999 TL77)          Discovered 1999-Oct-10 by Spacewatch at Kitt Peak
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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