+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1860164103306779 7.3355e-08   a 2.7682345486898 2.5201e-08 au q 2.253297494989159 2.063e-07 au i 1.898988567305669 8.6704e-06 deg node 169.9731392176198 0.00022337 deg peri 253.6748342913138 0.00023399 deg M 15.43996955844654 4.9247e-05 deg tp 2459128.348279324067 (2020-Oct-05.84827932) 0.00023015 TDB period 1682.297322220186 4.61 2.2973e-05 6.29e-08 d yr n .2139930886443399 2.9222e-09 deg/d Q 3.28317160239044 2.9889e-08 au   Orbit Determination Parameters    # obs. used (total)      103      data-arc span      7057 days (19.32 yr)      first obs. used      2001-09-23      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62597      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 17:50:47   Additional Information  Earth MOID = 1.26685 au   Jupiter MOID = 2.04247 au   T_jup = 3.312  [ 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 ] 2021-Feb-25 08:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin