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JPL Small-Body Database Browser
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74919 (1999 TS144)
Classification: Main-belt Asteroid          SPK-ID: 2074919
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .172266905210913 4.2216e-08  
a 2.236149020034115 7.671e-09 au
q 1.850934548762422 9.5557e-08 au
i 4.498575750527543 4.9916e-06 deg
node 191.5163246084881 3.9308e-05 deg
peri 144.8884166869352 4.1422e-05 deg
M 328.0759955678769 1.0934e-05 deg
tp 2458708.808964010633
(2019-Aug-13.30896401)
3.6903e-05 TDB
period 1221.376445011182
3.34
6.2848e-06
1.721e-08
d
yr
n .2947494210081185 1.5167e-09 deg/d
Q 2.621363491305808 8.9925e-09 au
  Orbit Determination Parameters
   # obs. used (total)      941  
   data-arc span      7924 days (21.69 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51516  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:27:23  

Additional Information
 Earth MOID = .842977 au 
 Jupiter MOID = 2.7565 au 
 T_jup = 3.614 
[ 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 15.7   n/a MPO436307  

74919 (1999 TS144)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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