+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   441387 (2008 FT17) Classification: Main-belt Asteroid          SPK-ID: 2441387 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .02276265762590424 8.7896e-08   a 2.985118950350827 4.6529e-08 au q 2.917169709711392 2.7225e-07 au i 3.09076220704214 1.0257e-05 deg node 123.2524626317068 0.00011664 deg peri 233.8520720807304 0.00021535 deg M 307.7657838619113 0.00017796 deg tp 2459273.833882419219 (2021-Feb-28.33388242) 0.00092906 TDB period 1883.826444543241 5.16 4.4045e-05 1.206e-07 d yr n .1911004068568997 4.468e-09 deg/d Q 3.053068190990261 4.7588e-08 au   Orbit Determination Parameters    # obs. used (total)      126      data-arc span      5509 days (15.08 yr)      first obs. used      2005-09-11      last obs. used      2020-10-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53926      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 08:56:27   Additional Information  Earth MOID = 1.91243 au   Jupiter MOID = 2.03727 au   T_jup = 3.255  [ hide covariance matrix ] Orbital Elements at Epoch 2457978.5 (2017-Aug-13.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .02517049451117736 8.5735e-08   q 2.906304505275342 2.6726e-07 au tp 2457407.473256940491 (2016-Jan-19.97325694) 0.00087364 TDB node 123.3260682531744 0.00011704 deg peri 236.822317532369 0.0002046 deg i 3.087071286583223 1.024e-05 deg   Orbit Determination Parameters    # obs. used (total)      126      data-arc span      5509 days (15.08 yr)      first obs. used      2005-09-11      last obs. used      2020-10-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53926      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 08:56:27   Additional Information  Jupiter MOID = 2.03727 au   T_jup = 3.255  Orbit Covariance (6×6)   e q tp node peri i e 7.350414980058224E-15 -2.25955765235615E-14 -3.306039090718619E-11 4.332231925271786E-14 -6.269781775012445E-12 6.747283726988508E-16 q -2.25955765235615E-14 7.142841516842943E-14 8.434070929008719E-11 -1.305952737008693E-13 1.60231809212773E-11 -4.625546027448116E-16 tp -3.306039090718619E-11 8.434070929008719E-11 7.632382430204305E-7 -3.801379770868702E-10 1.466448281522782E-7 -1.65916392539E-11 node 4.332231925271786E-14 -1.305952737008693E-13 -3.801379770868702E-10 1.369794009733352E-8 -1.374987062381653E-8 5.5764380392794E-10 peri -6.269781775012445E-12 1.60231809212773E-11 1.466448281522782E-7 -1.374987062381653E-8 4.186097108299211E-8 -5.599601998269786E-10 i 6.747283726988508E-16 -4.625546027448116E-16 -1.65916392539E-11 5.5764380392794E-10 -5.599601998269786E-10 1.048579145396888E-10 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.5   n/a MPO437716   441387 (2008 FT17)          Discovered 2008-Mar-27 by Spacewatch at Kitt Peak Reference: Last Updated: 2015-09-02 Alternate Designations  2008 FT17 = 2013 CD120  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-23 15:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin