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JPL Small-Body Database Browser
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117287 (2004 TS221)
Classification: Main-belt Asteroid          SPK-ID: 2117287
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05031280284131528 4.6702e-08  
a 2.691387425961506 2.5368e-08 au
q 2.55597618102951 1.2904e-07 au
i 7.574782578798347 5.0387e-06 deg
node 105.478738992921 3.9818e-05 deg
peri 198.1979529730395 6.8554e-05 deg
M 177.7910858111567 5.5708e-05 deg
tp 2457804.028505753947
(2017-Feb-19.52850575)		 0.00025254 TDB
period 1612.734050306285
4.42		 2.2802e-05
6.243e-08		 d
yr
n .2232234136382438 3.156e-09 deg/d
Q 2.826798670893503 2.6644e-08 au
   Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      7564 days (20.71 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5988  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:23:01  

Additional Information
 Earth MOID = 1.54075 au 
 Jupiter MOID = 2.3006 au 
 T_jup = 3.357 
[ 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 15.4   n/a MPO432678  

117287 (2004 TS221)          Discovered 2004-Oct-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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