+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102610 (1999 VQ15) Classification: Main-belt Asteroid          SPK-ID: 2102610 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1923353922922572 4.6262e-08   a 2.368406290646078 8.5264e-09 au q 1.912877937627214 1.13e-07 au i 2.240393629768297 3.7032e-06 deg node 318.2427483285239 9.9646e-05 deg peri 28.1454404141784 0.00010003 deg M 263.2223824761877 9.5462e-06 deg tp 2459358.394612949888 (2021-May-23.89461295) 3.6199e-05 TDB period 1331.320856604659 3.64 7.1893e-06 1.968e-08 d yr n .2704081425706256 1.4602e-09 deg/d Q 2.823934643664941 1.0166e-08 au   Orbit Determination Parameters    # obs. used (total)      636      data-arc span      15629 days (42.79 yr)      first obs. used      1977-09-09      last obs. used      2020-06-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49402      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 19:53:42   Additional Information  Earth MOID = .906119 au   Jupiter MOID = 2.59108 au   T_jup = 3.520  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.42   n/a E2021B55   diameter diameter 3.221 km 0.142 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.051   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   102610 (1999 VQ15)          Discovered 1999-Nov-02 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 Alternate Designations  1999 VQ15 = 1977 RN9  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-01 11:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin