+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   227711 (2006 DP114) Classification: Main-belt Asteroid          SPK-ID: 2227711 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2134695488531479 1.1901e-07   a 3.098494753820613 3.4162e-08 au q 2.437060476598681 3.7208e-07 au i 16.64968358661142 1.148e-05 deg node 29.03546719702144 1.9561e-05 deg peri 161.0286524798434 2.267e-05 deg M 238.1273706250427 1.4796e-05 deg tp 2459874.916605398818 (2022-Oct-22.41660540) 8.8505e-05 TDB period 1992.161646046042 5.45 3.2946e-05 9.02e-08 d yr n .1807082275248661 2.9885e-09 deg/d Q 3.759929031042545 4.1454e-08 au   Orbit Determination Parameters    # obs. used (total)      309      data-arc span      8090 days (22.15 yr)      first obs. used      1998-10-15      last obs. used      2020-12-08      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .54292      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 00:40:51   Additional Information  Earth MOID = 1.44115 au   Jupiter MOID = 1.21246 au   T_jup = 3.124  [ 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 15.3   n/a MPO401759   diameter diameter 7.509 km 0.245 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.022   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   227711 (2006 DP114)          Discovered 2006-Feb-27 by CSS at Catalina Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 [ show close-approach data ] Alternate Designations  2006 DP114 = 1998 TK28  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-17 18:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin