+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160162 (2001 SX345) Classification: Main-belt Asteroid          SPK-ID: 2160162 [ 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 .1517258777891219 6.1427e-08   a 2.421583556485104 1.4342e-08 au q 2.054166665737698 1.562e-07 au i 7.350540945305917 4.9922e-06 deg node 130.0302433628675 4.3212e-05 deg peri 208.7967776138455 4.6297e-05 deg M 354.4316290381027 1.8787e-05 deg tp 2459021.789882988955 (2020-Jun-21.28988299) 7.1931e-05 TDB period 1376.409353555786 3.77 1.2228e-05 3.348e-08 d yr n .2615500970477888 2.3236e-09 deg/d Q 2.78900044723251 1.6518e-08 au   Orbit Determination Parameters    # obs. used (total)      241      data-arc span      6487 days (17.76 yr)      first obs. used      2001-08-25      last obs. used      2019-05-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .63789      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 13:15:02   Additional Information  Earth MOID = 1.04796 au   Jupiter MOID = 2.58178 au   T_jup = 3.486  [ hide covariance matrix ] Orbital Elements at Epoch 2457092.5 (2015-Mar-11.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .151956396543356 6.1291e-08   q 2.053483343984253 1.5574e-07 au tp 2457647.115518933869 (2016-Sep-15.61551893) 6.6393e-05 TDB node 130.0715635492295 4.3247e-05 deg peri 209.1873188621921 4.6347e-05 deg i 7.347807177142275 4.9904e-06 deg   Orbit Determination Parameters    # obs. used (total)      241      data-arc span      6487 days (17.76 yr)      first obs. used      2001-08-25      last obs. used      2019-05-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .63789      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 13:15:02   Additional Information  Jupiter MOID = 2.58178 au   T_jup = 3.486  Orbit Covariance (6×6)   e q tp node peri i e 3.756531913068072E-15 -9.526796435220504E-15 -3.25358694967517E-13 3.193958130152996E-14 -4.243720448520465E-14 -9.426367978306933E-16 q -9.526796435220504E-15 2.425416236293873E-14 1.096635514760033E-12 -8.306351877816565E-14 1.657254639169908E-13 2.909074460754489E-15 tp -3.25358694967517E-13 1.096635514760033E-12 4.407974968688597E-9 -1.672084088871145E-11 1.137601740568494E-9 2.205594388227247E-12 node 3.193958130152996E-14 -8.306351877816565E-14 -1.672084088871145E-11 1.87029449598082E-9 -1.857866998774545E-9 3.27507710030735E-11 peri -4.243720448520465E-14 1.657254639169908E-13 1.137601740568494E-9 -1.857866998774545E-9 2.148032218107221E-9 -3.203003280110284E-11 i -9.426367978306933E-16 2.909074460754489E-15 2.205594388227247E-12 3.27507710030735E-11 -3.203003280110284E-11 2.490374713701745E-11 [ 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 17.0   n/a MPO433024   160162 (2001 SX345)          Discovered 2001-Sep-23 by NEAT at Haleakala Reference: 20070730/Numbers.arc Last Updated: 2007-08-06 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-13 17:18 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin