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JPL Small-Body Database Browser
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74896 (1999 TO121)
Classification: Main-belt Asteroid          SPK-ID: 2074896
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1990720091005705 5.7204e-08  
a 2.38689274438918 1.2881e-08 au
q 1.911729210256051 1.3143e-07 au
i 2.443472516398209 4.4062e-06 deg
node 127.293170777967 0.00011089 deg
peri 275.0799032961336 0.00011146 deg
M 90.05983128305469 1.2342e-05 deg
tp 2458263.541503574755
(2018-May-25.04150357)		 4.4839e-05 TDB
period 1346.938551681613
3.69		 1.0903e-05
2.985e-08		 d
yr
n .2672727716869866 2.1636e-09 deg/d
Q 2.862056278522308 1.5445e-08 au
   Orbit Determination Parameters
   # obs. used (total)      505  
   data-arc span      8131 days (22.26 yr)  
   first obs. used      1997-02-01  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56649  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:42:13  

Additional Information
 Earth MOID = .921649 au 
 Jupiter MOID = 2.54263 au 
 T_jup = 3.506 
[ 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 16.1   n/a MPO412637  

74896 (1999 TO121)          Discovered 1999-Oct-04 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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