+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15611 (2000 GD127) Classification: Main-belt Asteroid          SPK-ID: 2015611 [ 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 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1623262159037318 3.0054e-08   a 2.767204606863313 1.1954e-08 au q 2.318014754399818 8.1879e-08 au i 8.185528765576867 3.511e-06 deg node 159.3262384085905 2.4897e-05 deg peri 107.3435595554134 2.7694e-05 deg M 147.2029314446455 1.3343e-05 deg tp 2458512.997482352214 (2019-Jan-29.49748235) 6.0841e-05 TDB period 1681.358543095819 4.60 1.0895e-05 2.983e-08 d yr n .2141125707412448 1.3874e-09 deg/d Q 3.216394459326808 1.3894e-08 au   Orbit Determination Parameters    # obs. used (total)      1862      data-arc span      11335 days (31.03 yr)      first obs. used      1990-03-01      last obs. used      2021-03-13      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .48876      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 01:03:56   Additional Information  Earth MOID = 1.31667 au   Jupiter MOID = 1.93896 au   T_jup = 3.305  [ 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 13.8   n/a MPO452391   diameter diameter 11.064 km 0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.051   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   15611 (2000 GD127)          Discovered 2000-Apr-07 by LINEAR at Socorro Reference: 20000621/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2000 GD127 = 1990 DP4 = 1995 GS4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-22 04:11 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin