+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2007 WD5) Classification: Apollo [NEO]          SPK-ID: 3395991 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5950732783048971 0.00018771   a 2.453255363636095 0.02254 au q .9933886518780914 0.0095874 au i 2.442989205219119 0.022027 deg node 68.28107315575768 0.33556 deg peri 310.1079903762202 0.88659 deg M 152.9413299443079 15.984 deg tp 2458604.241032043755 (2019-Apr-30.74103204) 54.1 TDB period 1403.500470032606 3.84 19.342 0.05296 d yr n .2565015172325781 0.003535 deg/d Q 3.913122075394099 0.035953 au   Orbit Determination Parameters    # obs. used (total)      44      data-arc span      62 days      first obs. used      2007-11-08      last obs. used      2008-01-09      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      6      norm. resid. RMS      .43939      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 09:05:00   Additional Information  Earth MOID = .0267403 au   Jupiter MOID = 1.5503 au   T_jup = 3.224  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 24.3   n/a MPO143292   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-13 16:53 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin