+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   58598 (1997 TX11) Classification: Main-belt Asteroid          SPK-ID: 2058598 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1492879335950809 3.0339e-08   a 2.29443862874157 8.8851e-09 au q 1.95190662709601 7.1586e-08 au i 3.802926221496217 4.2589e-06 deg node 148.3702600526713 4.744e-05 deg peri 110.789903871771 4.9504e-05 deg M 283.2560125898503 1.4182e-05 deg tp 2459271.116925040538 (2021-Feb-25.61692504) 5.0487e-05 TDB period 1269.442679514844 3.48 7.3738e-06 2.019e-08 d yr n .2835890157226987 1.6473e-09 deg/d Q 2.63697063038713 1.0212e-08 au   Orbit Determination Parameters    # obs. used (total)      1121      data-arc span      10808 days (29.59 yr)      first obs. used      1990-09-25      last obs. used      2020-04-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51488      source      ORB      producer      Otto Matic      solution date      2020-May-20 11:37:43   Additional Information  Earth MOID = .940591 au   Jupiter MOID = 2.42193 au   T_jup = 3.578  [ show covariance matrix ] [ 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 15.6   n/a MPO395547   diameter diameter 2.336 km 0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.186   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   58598 (1997 TX11)          Discovered 1997-Oct-07 by BAO Schmidt CCD Asteroid Program at Xinglong Reference: 20030614/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1997 TX11 = 1990 SB25 = 2000 ON10  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Jul-11 08:46 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin