+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   11113 (1995 WW3) Classification: Main-belt Asteroid          SPK-ID: 2011113 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1839539473567038 2.7123e-08   a 2.806013323855827 1.3091e-08 au q 2.289836096597043 7.7249e-08 au i 15.97709557591791 5.0187e-07 deg node 286.3047212088293 3.5345e-06 deg peri 106.9936466999715 5.4292e-06 deg M 183.199857458235 6.5635e-06 deg tp 2460239.666086553338 (2023-Oct-22.16608655) 3.5576e-05 TDB period 1716.85263821265 4.70 1.2015e-05 3.29e-08 d yr n .2096860219609659 1.4674e-09 deg/d Q 3.322190551114611 1.5499e-08 au   Orbit Determination Parameters    # obs. used (total)      1853      data-arc span      9835 days (26.93 yr)      first obs. used      1994-07-11      last obs. used      2021-06-14      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .41794      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 02:36:03   Additional Information  Earth MOID = 1.35547 au   Jupiter MOID = 2.24843 au   T_jup = 3.242  [ 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 13.50   n/a MPO614063   diameter diameter 7.620 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.168   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   11113 (1995 WW3)          Discovered 1995-Nov-18 by Shimizu, Y., Urata, T. at Nachi-Katsuura Reference: 19990728/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1995 WW3 = 1994 NB8  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Aug-02 05:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin