+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   233619 (2007 TZ204) Classification: Main-belt Asteroid          SPK-ID: 2233619 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1564913290041343 3.8457e-08   a 2.581270671076038 2.1561e-08 au q 2.177324193239955 9.3412e-08 au i 2.748693020241848 4.6134e-06 deg node 128.1403362931339 0.00014775 deg peri 162.8979219812717 0.00014999 deg M 106.2164755437279 2.4914e-05 deg tp 2458553.571414395037 (2019-Mar-11.07141439) 0.00010522 TDB period 1514.777156690242 4.15 1.8979e-05 5.196e-08 d yr n .2376587199047765 2.9777e-09 deg/d Q 2.985217148912121 2.4935e-08 au   Orbit Determination Parameters    # obs. used (total)      348      data-arc span      9159 days (25.08 yr)      first obs. used      1994-09-05      last obs. used      2019-10-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57504      source      ORB      producer      Otto Matic      solution date      2019-Nov-08 01:36:30   Additional Information  Earth MOID = 1.16128 au   Jupiter MOID = 2.18852 au   T_jup = 3.406  [ 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 16.5   n/a MPO440205   diameter diameter 3.169 km 0.273 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.044   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   233619 (2007 TZ204)          Discovered 2007-Oct-08 by Mt. Lemmon Survey at Mount Lemmon Reference: 20100228/Numbers.arc Last Updated: 2010-03-03 [ show close-approach data ] Alternate Designations  2007 TZ204 = 1994 RU28 = 2005 ED127  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Sep-19 03:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin