+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14139 (1998 RX72) Classification: Main-belt Asteroid          SPK-ID: 2014139 [ 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 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2414419243577813 3.6147e-08   a 3.066704136827644 1.5651e-08 au q 2.326273188596009 1.1271e-07 au i 8.580302096904626 5.204e-06 deg node 181.9991427127375 2.4557e-05 deg peri 215.3057320086655 2.6345e-05 deg M 353.7175452640802 9.6225e-06 deg tp 2459034.732066165801 (2020-Jul-04.23206617) 5.2499e-05 TDB period 1961.580996235274 5.37 1.5017e-05 4.111e-08 d yr n .1835254321340404 1.405e-09 deg/d Q 3.807135085059279 1.943e-08 au   Orbit Determination Parameters    # obs. used (total)      1418      data-arc span      13921 days (38.11 yr)      first obs. used      1982-09-28      last obs. used      2020-11-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50563      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:55:37   Additional Information  Earth MOID = 1.33909 au   Jupiter MOID = 1.65832 au   T_jup = 3.170  [ 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 13.7   n/a MPO502276   diameter diameter 6.697 km 0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.157   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14139 (1998 RX72)          Discovered 1998-Sep-14 by LINEAR at Socorro Reference: 20000320/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1998 RX72 = 1982 SU11 = 2000 AL128  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-28 12:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin