+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2416465336962182 3.2362e-08   a 3.067570074064332 1.4206e-08 au q 2.326302398796435 9.9147e-08 au i 8.57985545965871 4.5731e-06 deg node 181.9951437129899 2.4387e-05 deg peri 215.3256216911163 2.6043e-05 deg M 30.39952177641152 8.6138e-06 deg tp 2459034.787825496483 (2020-Jul-04.28782550) 4.6828e-05 TDB period 1962.411884635518 5.37 1.3632e-05 3.732e-08 d yr n .1834477271660345 1.2743e-09 deg/d Q 3.808837749332229 1.7639e-08 au   Orbit Determination Parameters    # obs. used (total)      1639      data-arc span      14037 days (38.43 yr)      first obs. used      1982-09-28      last obs. used      2021-03-04      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .47959      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:18:02   Additional Information  Earth MOID = 1.33804 au   Jupiter MOID = 1.6578 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 13.76   n/a E2021B10   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-Apr-16 17:13 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin