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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2210283377287074 2.4577e-07  
a 3.144900469445559 9.9111e-08 au
q 2.449788346361776 8.2884e-07 au
i 8.732167130254805 2.2186e-05 deg
node 341.1537934794861 6.8842e-05 deg
peri 7.184166248538532 0.00014637 deg
M 217.7356326102791 9.7475e-05 deg
tp 2459405.512123942777
(2021-Jul-10.01212394)		 0.00057335 TDB
period 2037.083283303863
5.58		 9.6297e-05
2.636e-07		 d
yr
n .1767232606298406 8.3541e-09 deg/d
Q 3.840012592529343 1.2102e-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 = 1.44257 au 
 Jupiter MOID = 1.58721 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 = 1.58721 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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