+ 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 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1310989004686307 5.2356e-08   a 3.117891419095772 4.6744e-08 au q 2.709139282271738 1.8816e-07 au i 9.868553694928014 4.7352e-06 deg node 101.0297828578273 3.7961e-05 deg peri 309.3478070433637 4.9221e-05 deg M .6752029555341627 2.8535e-05 deg tp 2459392.728433749088 (2021-Jun-27.22843375) 0.00015937 TDB period 2010.897374188839 5.51 4.5222e-05 1.238e-07 d yr n .1790245512380848 4.0259e-09 deg/d Q 3.526643555919807 5.2872e-08 au   Orbit Determination Parameters    # obs. used (total)      162      data-arc span      4977 days (13.63 yr)      first obs. used      2007-03-25      last obs. used      2020-11-08      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .47393      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 17:22:58   Additional Information  Earth MOID = 1.73312 au   Jupiter MOID = 1.84566 au   T_jup = 3.181  [ hide covariance matrix ] Orbital Elements at Epoch 2458101.5 (2017-Dec-14.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1333724164510064 5.3097e-08   q 2.704738907427061 1.9029e-07 au tp 2457361.821008822146 (2015-Dec-05.32100882) 0.00014834 TDB node 101.2539926574476 3.8245e-05 deg peri 306.6049371601583 4.8508e-05 deg i 9.830773151614375 4.7076e-06 deg   Orbit Determination Parameters    # obs. used (total)      162      data-arc span      4977 days (13.63 yr)      first obs. used      2007-03-25      last obs. used      2020-11-08      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .47393      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 17:22:58   Additional Information  Jupiter MOID = 1.84566 au   T_jup = 3.181  Orbit Covariance (6×6)   e q tp node peri i e 2.819279275860547E-15 -9.936514835913878E-15 -1.003767260509076E-12 -3.136269149576852E-14 -1.507735316194291E-13 -1.26772234076081E-14 q -9.936514835913878E-15 3.62090617602348E-14 2.996200287749626E-12 1.337691510842511E-13 4.96229170656217E-13 4.962560244890403E-14 tp -1.003767260509076E-12 2.996200287749626E-12 2.200418793723306E-8 -1.184834669918182E-11 4.478218140942862E-9 1.730979786687871E-11 node -3.136269149576852E-14 1.337691510842511E-13 -1.184834669918182E-11 1.462648030906094E-9 -1.443391910565604E-9 5.58654821592988E-11 peri -1.507735316194291E-13 4.96229170656217E-13 4.478218140942862E-9 -1.443391910565604E-9 2.353002858033801E-9 -5.137911741097555E-11 i -1.26772234076081E-14 4.962560244890403E-14 1.730979786687871E-11 5.58654821592988E-11 -5.137911741097555E-11 2.216131378817632E-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 16.36   n/a E2021B25   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 ] 2021-Jul-30 21:43 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin