+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   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 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-09 15:26 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin