+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   70515 (1999 TO105) Classification: Main-belt Asteroid          SPK-ID: 2070515 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1516867779370749 8.7444e-08   a 2.712884004956172 1.7789e-08 au q 2.301375371327342 2.3298e-07 au i 17.4528487865317 7.9543e-06 deg node 21.95887288001056 1.4595e-05 deg peri 6.229390947136125 2.0406e-05 deg M 225.7999036775152 1.6454e-05 deg tp 2459608.908945819405 (2022-Jan-29.40894582) 7.7173e-05 TDB period 1632.094361308507 4.47 1.6053e-05 4.395e-08 d yr n .2205754817456605 2.1695e-09 deg/d Q 3.124392638585001 2.0487e-08 au   Orbit Determination Parameters    # obs. used (total)      763      data-arc span      10688 days (29.26 yr)      first obs. used      1990-10-24      last obs. used      2020-01-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51606      source      ORB      producer      Otto Matic      solution date      2020-Feb-23 16:11:41   Additional Information  Earth MOID = 1.30628 au   Jupiter MOID = 2.33831 au   T_jup = 3.280  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.8   n/a MPO337794   diameter diameter 7.071 km 0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.051   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   70515 (1999 TO105)          Discovered 1999-Oct-03 by LINEAR at Socorro Reference: 20031109/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1999 TO105 = 1990 UF6  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Sep-26 22:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin