+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   70582 (1999 TR165) Classification: Main-belt Asteroid          SPK-ID: 2070582 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1314438219679389 4.6501e-08   a 2.37208795830749 1.1655e-08 au q 2.060291651023429 1.0875e-07 au i 5.853614849516761 4.2997e-06 deg node 268.7730205135618 4.8545e-05 deg peri 285.2461806992325 5.113e-05 deg M 53.27205843184137 1.6678e-05 deg tp 2458803.034337038300 (2019-Nov-15.53433704) 6.1428e-05 TDB period 1334.426353304232 3.65 9.8352e-06 2.693e-08 d yr n .2697788447512207 1.9884e-09 deg/d Q 2.683884265591551 1.3187e-08 au   Orbit Determination Parameters    # obs. used (total)      872      data-arc span      7588 days (20.77 yr)      first obs. used      1999-09-08      last obs. used      2020-06-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58868      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 23:36:14   Additional Information  Earth MOID = 1.06829 au   Jupiter MOID = 2.31329 au   T_jup = 3.525  [ 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 15.3   n/a MPO432258   diameter diameter 2.714 km 0.555 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.166   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   70582 (1999 TR165)          Discovered 1999-Oct-10 by LINEAR at Socorro Reference: 20031109/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1999 TR165 = 2001 AK13  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Sep-18 21:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin