+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   268064 (2004 RZ50) Classification: Main-belt Asteroid          SPK-ID: 2268064 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09735153716579262 4.3707e-08   a 2.677119935823824 2.1106e-08 au q 2.416498194894187 1.2002e-07 au i 8.663504987336635 6.1054e-06 deg node 149.2915547663622 2.9113e-05 deg peri 149.5185995293888 4.1373e-05 deg M 254.2531747904756 3.0265e-05 deg tp 2459470.464448425931 (2021-Sep-12.96444843) 0.00013598 TDB period 1599.927005828415 4.38 1.8921e-05 5.18e-08 d yr n .2250102652736949 2.661e-09 deg/d Q 2.937741676753462 2.3161e-08 au   Orbit Determination Parameters    # obs. used (total)      310      data-arc span      9089 days (24.88 yr)      first obs. used      1995-07-03      last obs. used      2020-05-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58373      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 22:15:26   Additional Information  Earth MOID = 1.40564 au   Jupiter MOID = 2.28423 au   T_jup = 3.355  [ 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 16.1   n/a MPO418422   diameter diameter 4.444 km 0.387 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.030   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   268064 (2004 RZ50)          Discovered 2004-Sep-08 by LINEAR at Socorro Reference: 20110319/Numbers.arc Last Updated: 2011-03-23 Alternate Designations  2004 RZ50 = 2007 EH149  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-20 20:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin