+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   379740 (2011 GY63) Classification: Main-belt Asteroid          SPK-ID: 2379740 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06749559800507912 9.8923e-08   a 3.040336228855726 5.7356e-08 au q 2.835126916952602 3.2977e-07 au i 11.88013780429735 7.6157e-06 deg node 75.27861320432436 3.9457e-05 deg peri 123.0887106170249 6.5799e-05 deg M 270.665581952964 5.9009e-05 deg tp 2459481.004169612567 (2021-Sep-23.50416961) 0.00032576 TDB period 1936.336574884796 5.30 5.4794e-05 1.5e-07 d yr n .1859180912395969 5.261e-09 deg/d Q 3.24554554075885 6.1227e-08 au   Orbit Determination Parameters    # obs. used (total)      138      data-arc span      4959 days (13.58 yr)      first obs. used      2006-05-06      last obs. used      2019-12-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61485      source      ORB      producer      Otto Matic      solution date      2019-Dec-14 21:14:03   Additional Information  Earth MOID = 1.84995 au   Jupiter MOID = 1.79452 au   T_jup = 3.204  [ 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 15.9   n/a MPO455732   379740 (2011 GY63)          Discovered 2006-May-06 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2013-11-20 [ show close-approach data ] Alternate Designations  2011 GY63 = 2006 JR39 = 2011 HU54  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Jul-13 09:42 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin