+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   70447 (1999 TG14) Classification: Main-belt Asteroid          SPK-ID: 2070447 [ 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 .1320722357734059 3.2866e-08   a 2.384656192320279 9.277e-09 au q 2.069709317449643 8.0325e-08 au i 7.315193032431484 3.8966e-06 deg node 42.11781415686848 2.504e-05 deg peri 306.5330927014055 2.916e-05 deg M 243.7014636184653 1.7429e-05 deg tp 2459435.019064173266 (2021-Aug-08.51906417) 6.65e-05 TDB period 1345.045844680229 3.68 7.8489e-06 2.149e-08 d yr n .2676488696826436 1.5618e-09 deg/d Q 2.699603067190915 1.0502e-08 au   Orbit Determination Parameters    # obs. used (total)      1360      data-arc span      8120 days (22.23 yr)      first obs. used      1998-04-21      last obs. used      2020-07-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52094      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 22:00:36   Additional Information  Earth MOID = 1.07392 au   Jupiter MOID = 2.73196 au   T_jup = 3.513  [ 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 14.9   n/a MPO468644   diameter diameter 2.790 km 0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.299   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   70447 (1999 TG14)          Discovered 1999-Oct-10 by Korlevic, K., Juric, M. at Visnjan Reference: 20031109/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1999 TG14 = 1998 KY56  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-25 21:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin