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JPL Small-Body Database Browser
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19703 (1999 TJ4)
Classification: Main-belt Asteroid          SPK-ID: 2019703
[ 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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07941942728364296 3.1095e-08  
a 2.980083299897012 1.8846e-08 au
q 2.743406790961642 8.9747e-08 au
i 6.31286844448528 3.6767e-06 deg
node 219.6635756353788 3.6702e-05 deg
peri 41.04819268579814 4.6744e-05 deg
M 117.8950283285518 2.8701e-05 deg
tp 2458385.133255021987
(2018-Sep-23.63325502)		 0.00015044 TDB
period 1879.061664710029
5.14		 1.7825e-05
4.88e-08		 d
yr
n .1915849845489525 1.8174e-09 deg/d
Q 3.216759808832381 2.0343e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1598  
   data-arc span      8345 days (22.85 yr)  
   first obs. used      1997-03-11  
   last obs. used      2020-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48803  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:54:27  

Additional Information
 Earth MOID = 1.73223 au 
 Jupiter MOID = 1.82248 au 
 T_jup = 3.246 
[ 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 13.6   n/a MPO502317  

19703 (1999 TJ4)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TJ4 = 1997 ED48 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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