+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120516 (1993 TY33) Classification: Main-belt Asteroid          SPK-ID: 2120516 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1824122683469994 3.3484e-08   a 2.392947900620281 8.8752e-09 au q 1.956444846031946 8.1506e-08 au i 5.006412691067157 4.2295e-06 deg node 170.1361907697692 4.3731e-05 deg peri 268.4178578793689 4.5548e-05 deg M 83.08092652591799 1.1315e-05 deg tp 2458888.469446025292 (2020-Feb-08.96944603) 4.2537e-05 TDB period 1352.067244891062 3.70 7.5221e-06 2.059e-08 d yr n .2662589463359166 1.4813e-09 deg/d Q 2.829450955208617 1.0494e-08 au   Orbit Determination Parameters    # obs. used (total)      663      data-arc span      10019 days (27.43 yr)      first obs. used      1993-10-09      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50293      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 17:06:55   Additional Information  Earth MOID = .979068 au   Jupiter MOID = 2.4361 au   T_jup = 3.503  [ hide covariance matrix ] Orbital Elements at Epoch 2457098.5 (2015-Mar-17.0) TDB Reference: JPL 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1809634089314108 3.3362e-08   q 1.96061387212766 8.1096e-08 au tp 2457535.036526654892 (2016-May-26.53652665) 4.4273e-05 TDB node 170.195753977599 4.3682e-05 deg peri 268.193666015863 4.5549e-05 deg i 5.007452476274521 4.2316e-06 deg   Orbit Determination Parameters    # obs. used (total)      663      data-arc span      10019 days (27.43 yr)      first obs. used      1993-10-09      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50293      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 17:06:55   Additional Information  Jupiter MOID = 2.4361 au   T_jup = 3.503  Orbit Covariance (6×6)   e q tp node peri i e 1.113008637873311E-15 -2.694920735904337E-15 -4.078188603249655E-13 9.357290521438618E-15 -1.110860574365407E-13 -1.587825299515885E-15 q -2.694920735904337E-15 6.576608190859834E-15 9.060853098821867E-13 -2.158126831872639E-14 2.409689439197605E-13 4.09907949360665E-15 tp -4.078188603249655E-13 9.060853098821867E-13 1.960116995517049E-9 -1.531606278409658E-11 5.840032253323017E-10 1.645361560882408E-12 node 9.357290521438618E-15 -2.158126831872639E-14 -1.531606278409658E-11 1.908151322252723E-9 -1.904871436615E-9 5.408022795539578E-11 peri -1.110860574365407E-13 2.409689439197605E-13 5.840032253323017E-10 -1.904871436615E-9 2.074684008551992E-9 -5.344649828226075E-11 i -1.587825299515885E-15 4.09907949360665E-15 1.645361560882408E-12 5.408022795539578E-11 -5.344649828226075E-11 1.790627066519743E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.57   n/a E2021B55   diameter diameter 3.217 km 0.559 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.046   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   120516 (1993 TY33)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla Reference: 20060314/Numbers.arc Last Updated: 2006-03-23 Alternate Designations  1993 TY33 = 2002 CH53  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-20 14:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin