+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   351251 (2004 RE68) Classification: Main-belt Asteroid          SPK-ID: 2351251 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2316591917900424 5.9764e-08   a 2.377439358928935 1.1526e-08 au q 1.826683678509621 1.4013e-07 au i 5.663835083592056 6.5745e-06 deg node 161.0139679429211 4.8722e-05 deg peri 236.3544303185419 5.0234e-05 deg M 77.45228169291106 1.1096e-05 deg tp 2458712.432466046123 (2019-Aug-16.93246605) 4.0883e-05 TDB period 1338.944572796071 3.67 9.7371e-06 2.666e-08 d yr n .2688684859061976 1.9553e-09 deg/d Q 2.928195039348248 1.4196e-08 au   Orbit Determination Parameters    # obs. used (total)      325      data-arc span      21692 days (59.39 yr)      first obs. used      1960-09-24      last obs. used      2020-02-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48481      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 16:44:13   Additional Information  Earth MOID = .840726 au   Jupiter MOID = 2.51392 au   T_jup = 3.497  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.8   n/a MPO455542   diameter diameter 2.111 km 0.423 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)   geometric albedo albedo 0.069   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)   351251 (2004 RE68)          Discovered 2004-Sep-08 by LINEAR at Socorro Reference: 20130127/Numbers.arc Last Updated: 2013-01-31 Alternate Designations  2004 RE68 = 2002 CC149 = 6758 P-L  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-26 15:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin