+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101353 (1998 TC34) Classification: Main-belt Asteroid          SPK-ID: 2101353 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2236585328549237 4.238e-08   a 2.353554507448414 9.1795e-09 au q 1.82716195931841 9.9008e-08 au i 3.452281598734623 4.1346e-06 deg node 95.73984801390854 7.8413e-05 deg peri 275.0684492158205 7.8872e-05 deg M 7.9165496520714 9.9005e-06 deg tp 2458971.498647143090 (2020-May-01.99864714) 3.6187e-05 TDB period 1318.817854664208 3.61 7.7156e-06 2.112e-08 d yr n .2729717365645325 1.597e-09 deg/d Q 2.879947055578419 1.1233e-08 au   Orbit Determination Parameters    # obs. used (total)      562      data-arc span      10099 days (27.65 yr)      first obs. used      1993-03-24      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55155      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:29:08   Additional Information  Earth MOID = .83098 au   Jupiter MOID = 2.58707 au   T_jup = 3.519  [ hide covariance matrix ] Orbital Elements at Epoch 2456929.5 (2014-Sep-29.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2251987263387495 4.2514e-08   q 1.823098689223537 9.9485e-08 au tp 2456334.550715688977 (2013-Feb-11.05071569) 3.1466e-05 TDB node 95.76855760403117 7.8499e-05 deg peri 275.136627379996 7.8946e-05 deg i 3.451532771029314 4.1336e-06 deg   Orbit Determination Parameters    # obs. used (total)      562      data-arc span      10099 days (27.65 yr)      first obs. used      1993-03-24      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55155      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:29:08   Additional Information  Jupiter MOID = 2.58707 au   T_jup = 3.519  Orbit Covariance (6×6)   e q tp node peri i e 1.80748090021215E-15 -4.218944346560567E-15 2.044950369124146E-13 9.805294466611921E-15 6.489066888938734E-14 -1.391176307475467E-15 q -4.218944346560567E-15 9.897219648436761E-15 -4.703988434638227E-13 -2.404357111571829E-14 -1.446287253308297E-13 3.252336159929714E-15 tp 2.044950369124146E-13 -4.703988434638227E-13 9.900891702236751E-10 -4.872748353169549E-12 2.870557948953167E-10 -1.455178785154304E-13 node 9.805294466611921E-15 -2.404357111571829E-14 -4.872748353169549E-12 6.162038693643626E-9 -6.151811383232853E-9 -5.733992036877676E-11 peri 6.489066888938734E-14 -1.446287253308297E-13 2.870557948953167E-10 -6.151811383232853E-9 6.232525832594282E-9 5.720500518743409E-11 i -1.391176307475467E-15 3.252336159929714E-15 -1.455178785154304E-13 -5.733992036877676E-11 5.720500518743409E-11 1.708631041274258E-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 16.1   n/a MPO436473   101353 (1998 TC34)          Discovered 1998-Oct-14 by LONEOS at Anderson Mesa Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-22 07:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin