+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102756 (1999 VZ127) Classification: Main-belt Asteroid          SPK-ID: 2102756 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03918225754129184 4.9829e-08   a 2.689166214123084 1.896e-08 au q 2.583798610949973 1.2705e-07 au i 3.454949295939434 4.7452e-06 deg node 239.6387443940519 7.5913e-05 deg peri 254.5852400259267 0.0001015 deg M 155.2749430087805 6.9835e-05 deg tp 2458305.757648900475 (2018-Jul-06.25764890) 0.00030893 TDB period 1610.737969368863 4.41 1.7035e-05 4.664e-08 d yr n .2235000396377687 2.3637e-09 deg/d Q 2.794533817296196 1.9703e-08 au   Orbit Determination Parameters    # obs. used (total)      476      data-arc span      8112 days (22.21 yr)      first obs. used      1998-07-26      last obs. used      2020-10-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61472      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 19:52:50   Additional Information  Earth MOID = 1.60043 au   Jupiter MOID = 2.21633 au   T_jup = 3.369  [ 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 15.82   n/a E2021B55   diameter diameter 2.673 km 0.623 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.118   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   102756 (1999 VZ127)          Discovered 1999-Nov-09 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1999 VZ127 = 1999 VG202 = 2003 SR309  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-28 19:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin