+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   487867 (2015 TB123) Classification: Main-belt Asteroid          SPK-ID: 2487867 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .131162473758237 7.8041e-08   a 3.119382595337453 1.6052e-07 au q 2.710236657534602 1.9421e-07 au i 9.868834198344389 6.4902e-06 deg node 101.0328829031853 4.2421e-05 deg peri 309.0853475866667 5.3529e-05 deg M 290.0249212320352 3.0756e-05 deg tp 2459391.649058390928 (2021-Jun-26.14905839) 0.00018644 TDB period 2012.340157381855 5.51 0.00015533 4.253e-07 d yr n .1788961963907614 1.3809e-08 deg/d Q 3.528528533140303 1.8157e-07 au   Orbit Determination Parameters    # obs. used (total)      111      data-arc span      4045 days (11.07 yr)      first obs. used      2007-03-25      last obs. used      2018-04-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51295      source      ORB      producer      Otto Matic      solution date      2018-May-07 07:09:25   Additional Information  Earth MOID = 1.73469 au   Jupiter MOID = 1.84397 au   T_jup = 3.181  [ hide covariance matrix ] Orbital Elements at Epoch 2457298.5 (2015-Oct-03.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .13420229733417 8.2818e-08   q 2.700329112606335 2.0412e-07 au tp 2457360.562315697872 (2015-Dec-04.06231570) 0.00015365 TDB node 101.2973835202086 4.2752e-05 deg peri 306.1628889816716 5.2616e-05 deg i 9.832831852764025 6.4687e-06 deg   Orbit Determination Parameters    # obs. used (total)      111      data-arc span      4045 days (11.07 yr)      first obs. used      2007-03-25      last obs. used      2018-04-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51295      source      ORB      producer      Otto Matic      solution date      2018-May-07 07:09:25   Additional Information  Jupiter MOID = 1.84397 au   T_jup = 3.181  Orbit Covariance (6×6)   e q tp node peri i e 6.858865169258984E-15 -1.45324016019864E-14 -3.912311628189026E-12 -8.741012690240219E-14 -8.06258156025443E-13 -1.38372051207294E-14 q -1.45324016019864E-14 4.166379083924434E-14 6.233572913020279E-12 2.016773949490388E-13 1.225366661236218E-12 4.921685177729402E-14 tp -3.912311628189026E-12 6.233572913020279E-12 2.360919786352417E-8 8.990946819840146E-11 4.79169317892312E-9 2.024285881079564E-12 node -8.741012690240219E-14 2.016773949490388E-13 8.990946819840146E-11 1.827719639352835E-9 -1.78069998613901E-9 -2.299793742072196E-11 peri -8.06258156025443E-13 1.225366661236218E-12 4.79169317892312E-9 -1.78069998613901E-9 2.768404038473676E-9 2.333056898568696E-11 i -1.38372051207294E-14 4.921685177729402E-14 2.024285881079564E-12 -2.299793742072196E-11 2.333056898568696E-11 4.184372180710578E-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 16.2   n/a MPO446847   487867 (2015 TB123)          Discovered 2014-Jul-29 by Pan-STARRS 1 at Haleakala Reference: Last Updated: 2017-03-14 [ show close-approach data ] Alternate Designations  2015 TB123 = 2014 OJ248  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-07 10:52 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin