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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456826.5 (2014-Jun-18.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05006329793625121 4.659e-08  
q 2.556997429640872 1.2805e-07 au
tp 2456179.560869482342
(2012-Sep-09.06086948)
0.00026098 TDB
node 105.5437143348174 3.9743e-05 deg
peri 195.7669189805569 6.8806e-05 deg
i 7.580995627082735 5.0431e-06 deg
  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
 Jupiter MOID = 2.3006 au 
 T_jup = 3.357 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.170596210250117E-15 -5.861404736065436E-15 9.66159339948453E-13 -1.419824476480138E-14 2.608336216683166E-13 -1.679774406898779E-15
q -5.861404736065436E-15 1.639680256398365E-14 -4.753584160746145E-12 3.69679071074628E-14 -1.118510152758741E-12 5.373428424683794E-15
tp 9.66159339948453E-13 -4.753584160746145E-12 6.811161538567631E-8 7.470673316440569E-11 1.468050815853525E-8 -4.140851506427836E-12
node -1.419824476480138E-14 3.69679071074628E-14 7.470673316440569E-11 1.579512958920362E-9 -1.549081060503045E-9 1.993677116124979E-11
peri 2.608336216683166E-13 -1.118510152758741E-12 1.468050815853525E-8 -1.549081060503045E-9 4.734233400592266E-9 -2.063110554830333E-11
i -1.679774406898779E-15 5.373428424683794E-15 -4.140851506427836E-12 1.993677116124979E-11 -2.063110554830333E-11 2.543316628989042E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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