+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   118085 (1019 T-3) Classification: Outer Main-belt Asteroid          SPK-ID: 2118085 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .199142955285725 4.0111e-08   a 3.202672780552106 1.8987e-08 au q 2.564883058219809 1.3331e-07 au i 9.030509803427147 5.4511e-06 deg node 293.6063982472335 3.2503e-05 deg peri 100.7278290072231 3.6332e-05 deg M 169.9734975390183 1.6046e-05 deg tp 2458212.069836336324 (2018-Apr-03.56983634) 8.9269e-05 TDB period 2093.472594674588 5.73 1.8616e-05 5.097e-08 d yr n .1719630822566171 1.5292e-09 deg/d Q 3.840462502884403 2.2768e-08 au   Orbit Determination Parameters    # obs. used (total)      1041      data-arc span      15543 days (42.55 yr)      first obs. used      1977-10-07      last obs. used      2020-04-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53405      source      ORB      producer      Otto Matic      solution date      2020-May-20 20:17:00   Additional Information  Earth MOID = 1.58993 au   Jupiter MOID = 1.74259 au   T_jup = 3.143  [ 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 13.82   n/a E2021B55   diameter diameter 11.119 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.052   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   118085 (1019 T-3)          Discovered 1977-Oct-17 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1019 T-3 = 2000 RG40  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-11 05:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin