+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102214 (1999 TO1) Classification: Main-belt Asteroid          SPK-ID: 2102214 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1680950408256411 6.483e-08   a 2.415443077907697 9.314e-09 au q 2.009419075114791 1.5549e-07 au i 11.28543735106827 5.7188e-06 deg node 16.05646489504898 1.6323e-05 deg peri 350.6808329667355 1.9114e-05 deg M 189.1230570441577 1.0685e-05 deg tp 2459651.340549315136 (2022-Mar-12.84054932) 4.2821e-05 TDB period 1371.17737302918 3.75 7.9309e-06 2.171e-08 d yr n .262548089752017 1.5186e-09 deg/d Q 2.821467080700604 1.088e-08 au   Orbit Determination Parameters    # obs. used (total)      913      data-arc span      7533 days (20.62 yr)      first obs. used      1999-10-01      last obs. used      2020-05-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57536      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 19:56:05   Additional Information  Earth MOID = 1.00949 au   Jupiter MOID = 2.63989 au   T_jup = 3.472  [ 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 15.34   n/a E2021B55   diameter diameter 4.128 km 1.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.086   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   102214 (1999 TO1)          Discovered 1999-Oct-01 by Korlevic, K. at Visnjan Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1999 TO1 = 2001 DE6  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-01 11:21 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin