+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   447665 (2006 WR94) Classification: Main-belt Asteroid          SPK-ID: 2447665 [ 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 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1858166407467114 8.9956e-08   a 2.767546886333502 3.2339e-08 au q 2.25329062080599 2.6139e-07 au i 1.899072947004696 9.9456e-06 deg node 169.9772951927653 0.00023207 deg peri 253.6770099991067 0.00024437 deg M 332.6261929962258 5.757e-05 deg tp 2459128.371455298827 (2020-Oct-05.87145530) 0.00026962 TDB period 1681.670507183404 4.60 2.9475e-05 8.07e-08 d yr n .2140728510503265 3.7521e-09 deg/d Q 3.281803151861014 3.8348e-08 au   Orbit Determination Parameters    # obs. used (total)      83      data-arc span      5606 days (15.35 yr)      first obs. used      2001-09-23      last obs. used      2017-01-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .66129      source      ORB      producer      Otto Matic      solution date      2017-Apr-09 11:37:14   Additional Information  Earth MOID = 1.26747 au   Jupiter MOID = 2.04313 au   T_jup = 3.313  [ 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 17.9   n/a MPO361041   447665 (2006 WR94)          Discovered 2006-Nov-19 by Spacewatch at Kitt Peak Reference: Last Updated: 2015-10-28 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Sep-25 21:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin