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442117 (2010 TK173)
Classification: Main-belt Asteroid          SPK-ID: 2442117
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2209620413267706 2.4732e-07  
a 3.147308257034331 1.0157e-07 au
q 2.451872599875425 8.3751e-07 au
i 8.730590711418863 2.2186e-05 deg
node 341.1292946271164 6.8834e-05 deg
peri 6.998179126132173 0.00014587 deg
M 288.6370380371973 9.8761e-05 deg
tp 2459404.775772079982
(2021-Jul-09.27577208)
0.00057193 TDB
period 2039.423167786314
5.58
9.8726e-05
2.703e-07
d
yr
n .1765205013291875 8.5452e-09 deg/d
Q 3.842743914193238 1.2402e-07 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      4933 days (13.51 yr)  
   first obs. used      2002-04-06  
   last obs. used      2015-10-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38957  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:31:45  

Additional Information
 Earth MOID = 1.4455 au 
 Jupiter MOID = 1.58742 au 
 T_jup = 3.153 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457095.5 (2015-Mar-14.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2210096218876541 2.4377e-07  
q 2.451241171103378 8.2156e-07 au
tp 2457369.854427066000
(2015-Dec-13.35442707)
0.00052636 TDB
node 341.1669179066967 6.8844e-05 deg
peri 7.470141427988244 0.00014656 deg
i 8.731091816486032 2.2183e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      4933 days (13.51 yr)  
   first obs. used      2002-04-06  
   last obs. used      2015-10-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38957  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:31:45  

Additional Information
 Jupiter MOID = 1.58742 au 
 T_jup = 3.153 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.942344766825053E-14 -1.998141156093492E-13 -8.01077948583337E-11 8.643859150738693E-13 -1.760643967108667E-11 -5.3244296909065E-13
q -1.998141156093492E-13 6.749659979086776E-13 2.693632936757062E-10 -2.936891769458801E-12 5.908235998061623E-11 1.802873516596557E-12
tp -8.01077948583337E-11 2.693632936757062E-10 2.77054017590015E-7 -6.811792294644269E-10 6.803837934763224E-8 7.712285804352528E-10
node 8.643859150738693E-13 -2.936891769458801E-12 -6.811792294644269E-10 4.739539686160583E-9 -4.796547981355066E-9 -1.181337021100324E-9
peri -1.760643967108667E-11 5.908235998061623E-11 6.803837934763224E-8 -4.796547981355066E-9 2.148101246585611E-8 1.331055050544833E-9
i -5.3244296909065E-13 1.802873516596557E-12 7.712285804352528E-10 -1.181337021100324E-9 1.331055050544833E-9 4.920642377129567E-10

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 16.6   n/a MPO437719  

442117 (2010 TK173)          Discovered 2004-Aug-15 by CINEOS at Campo Imperatore
Reference: Last Updated: 2015-09-02

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