+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   19010 (2000 RT72) Classification: Outer Main-belt Asteroid          SPK-ID: 2019010 [ 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 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04324497568437714 4.4593e-08   a 3.202695748131821 2.1784e-08 au q 3.064195248379403 1.4245e-07 au i 21.03084475209481 5.5086e-06 deg node 211.6197117380446 9.6377e-06 deg peri 202.9468268271277 4.8052e-05 deg M 174.0239965717226 4.7669e-05 deg tp 2458188.504481663188 (2018-Mar-11.00448166) 0.00027467 TDB period 2093.495114342471 5.73 2.1359e-05 5.848e-08 d yr n .1719612324545928 1.7544e-09 deg/d Q 3.34119624788424 2.2726e-08 au   Orbit Determination Parameters    # obs. used (total)      1582      data-arc span      9636 days (26.38 yr)      first obs. used      1994-10-27      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .4666      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 02:44:13   Additional Information  Earth MOID = 2.07733 au   Jupiter MOID = 1.89184 au   T_jup = 3.088  [ 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 13.13   n/a E2021B10   diameter diameter 12.851 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.074   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   19010 (2000 RT72)          Discovered 2000-Sep-02 by LINEAR at Socorro Reference: 20001111/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2000 RT72 = 1998 MS48  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-17 23:42 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin