+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   273987 Greggwade (2007 LQ30) Classification: Main-belt Asteroid          SPK-ID: 2273987 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1198015044136043 8.1232e-08   a 3.070374034048607 4.1257e-08 au q 2.702538605657117 2.6379e-07 au i 7.218998977137977 5.7325e-06 deg node 84.52713038614486 5.2076e-05 deg peri 98.32599636284444 5.7337e-05 deg M 303.5769119875526 2.5299e-05 deg tp 2459508.492190246868 (2021-Oct-20.99219025) 0.00014055 TDB period 1965.103158912748 5.38 3.9608e-05 1.084e-07 d yr n .1831964893889747 3.6925e-09 deg/d Q 3.438209462440097 4.62e-08 au   Orbit Determination Parameters    # obs. used (total)      177      data-arc span      5370 days (14.70 yr)      first obs. used      2006-05-06      last obs. used      2021-01-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59547      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 20:10:16   Additional Information  Earth MOID = 1.71634 au   Jupiter MOID = 1.57277 au   T_jup = 3.208  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.4   n/a MPO455033   273987 Greggwade           Discovered 2007 June 11 by D. D. Balam at Mauna Kea. Gregg Wade (b. 1971) is a Canadian astrophysicist recognized as a leading expert in the study of magnetic fields in medium and high-mass early-type stars. He is a professor of physics at the Royal Military College (Kingston) and adjunct professor of physics at Queens University. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC batch dated 2013-11-17 Last Updated: 2014-11-10 [ show close-approach data ] Alternate Designations  2007 LQ30 = 2008 UO69  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-04 16:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin