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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05062541458555467 4.3691e-08  
a 2.69054502038278 2.0729e-08 au
q 2.554335063264802 1.2535e-07 au
i 7.574994152752116 4.0793e-06 deg
node 105.4804412982621 3.9734e-05 deg
peri 198.3932966719504 6.68e-05 deg
M 266.9124832312877 5.4252e-05 deg
tp 2459417.319248550053
(2021-Jul-21.81924855)		 0.00024223 TDB
period 1611.976929740747
4.41		 1.8629e-05
5.1e-08		 d
yr
n .2233282582139054 2.5809e-09 deg/d
Q 2.826754977500758 2.1779e-08 au
   Orbit Determination Parameters
   # obs. used (total)      632  
   data-arc span      8042 days (22.02 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56692  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:11:14  

Additional Information
 Earth MOID = 1.53989 au 
 Jupiter MOID = 2.30175 au 
 T_jup = 3.358 
[ 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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