+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   357091 (2001 ST299) Classification: Main-belt Asteroid          SPK-ID: 2357091 [ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1017532340509683 7.8279e-08   a 2.777945740577596 2.3149e-08 au q 2.495280777455713 2.1201e-07 au i 2.84214602427103 1.0112e-05 deg node 221.4989814379587 0.00012519 deg peri 117.7748848119378 0.00013429 deg M 28.14997249916927 4.6707e-05 deg tp 2458868.261005259292 (2020-Jan-19.76100526) 0.00021881 TDB period 1691.157535164902 4.63 2.1139e-05 5.788e-08 d yr n .2128719486590568 2.6608e-09 deg/d Q 3.060610703699478 2.5504e-08 au   Orbit Determination Parameters    # obs. used (total)      134      data-arc span      7001 days (19.17 yr)      first obs. used      2001-09-11      last obs. used      2020-11-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55998      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 06:26:23   Additional Information  Earth MOID = 1.48805 au   Jupiter MOID = 2.2848 au   T_jup = 3.325  [ hide covariance matrix ] Orbital Elements at Epoch 2456932.5 (2014-Oct-02.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1044015781248276 7.8674e-08   q 2.488253771798914 2.1393e-07 au tp 2457178.169293940585 (2015-Jun-04.66929394) 0.00020578 TDB node 221.5493652540912 0.00012516 deg peri 118.1503369444535 0.00013379 deg i 2.841484449650913 1.0122e-05 deg   Orbit Determination Parameters    # obs. used (total)      134      data-arc span      7001 days (19.17 yr)      first obs. used      2001-09-11      last obs. used      2020-11-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55998      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 06:26:23   Additional Information  Jupiter MOID = 2.2848 au   T_jup = 3.325  Orbit Covariance (6×6)   e q tp node peri i e 6.189571707319635E-15 -1.675934755292469E-14 5.772661491532607E-12 -4.450264856171229E-14 1.098232131829295E-12 3.816972147446596E-16 q -1.675934755292469E-14 4.576703585107611E-14 -1.496351067421036E-11 1.198367071963929E-13 -2.831972969210956E-12 -5.975017825017242E-16 tp 5.772661491532607E-12 -1.496351067421036E-11 4.234471850058243E-8 -1.300589476744698E-10 9.733264305936301E-9 -1.232121935229007E-12 node -4.450264856171229E-14 1.198367071963929E-13 -1.300589476744698E-10 1.566586201382263E-8 -1.567417428914389E-8 -3.182429870091223E-10 peri 1.098232131829295E-12 -2.831972969210956E-12 9.733264305936301E-9 -1.567417428914389E-8 1.790029165434114E-8 3.175041911397796E-10 i 3.816972147446596E-16 -5.975017825017242E-16 -1.232121935229007E-12 -3.182429870091223E-10 3.175041911397796E-10 1.024451506570093E-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 17.3   n/a MPO353152   357091 (2001 ST299)          Discovered 2001-Sep-20 by LINEAR at Socorro Reference: 20130327/Numbers.arc Last Updated: 2013-03-29 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-27 02:06 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin