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JPL Small-Body Database Browser
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74853 (1999 TW73)
Classification: Main-belt Asteroid          SPK-ID: 2074853
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1488327916275166 4.2037e-08  
a 2.401544069661648 1.0382e-08 au
q 2.044115561557398 9.9662e-08 au
i 2.159768818553549 5.3378e-06 deg
node 221.6776017829536 0.00011532 deg
peri 209.5044572663127 0.00011744 deg
M 36.7104451981408 1.9012e-05 deg
tp 2458461.881428716123
(2018-Dec-09.38142872)
7.188e-05 TDB
period 1359.359315662104
3.72
8.8149e-06
2.413e-08
d
yr
n .2648306417973488 1.7173e-09 deg/d
Q 2.758972577765898 1.1927e-08 au
  Orbit Determination Parameters
   # obs. used (total)      452  
   data-arc span      9037 days (24.74 yr)  
   first obs. used      1994-05-02  
   last obs. used      2019-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5599  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:14:26  

Additional Information
 Earth MOID = 1.05871 au 
 Jupiter MOID = 2.50556 au 
 T_jup = 3.509 
[ 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 16.9   n/a MPO412637  

74853 (1999 TW73)          Discovered 1999-Oct-10 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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