+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15792 (1993 TS15) Classification: Main-belt Asteroid          SPK-ID: 2015792 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1988281370071953 3.7476e-08   a 2.706910729334981 1.1062e-08 au q 2.168700711976518 9.8738e-08 au i 2.425740853672521 3.5964e-06 deg node 153.7107001215066 0.00010304 deg peri 216.6700444146788 0.00010369 deg M 42.6937315442944 1.02e-05 deg tp 2459007.582803845768 (2020-Jun-07.08280385) 4.5911e-05 TDB period 1626.706968526973 4.45 9.9714e-06 2.73e-08 d yr n .2213059923914814 1.3566e-09 deg/d Q 3.245120746693444 1.3261e-08 au   Orbit Determination Parameters    # obs. used (total)      977      data-arc span      13284 days (36.37 yr)      first obs. used      1984-09-29      last obs. used      2021-02-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52201      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 01:09:05   Additional Information  Earth MOID = 1.16743 au   Jupiter MOID = 2.2186 au   T_jup = 3.335  [ 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 15.2   n/a MPO347649   diameter diameter 4.779 km 0.500 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.045   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   15792 (1993 TS15)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla Reference: 20000726/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1993 TS15 = 1984 SA7  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-21 15:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin