+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   11390 (1998 VG15) Classification: Main-belt Asteroid          SPK-ID: 2011390 [ 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 35 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1633209866900287 2.971e-08   a 3.093897801039581 1.2697e-08 au q 2.588599359455687 9.087e-08 au i .4728498969234536 3.3069e-06 deg node 328.6718958190078 0.00040474 deg peri 1.432048793565171 0.00040488 deg M 78.42512670807338 9.9488e-06 deg tp 2458767.477861129859 (2019-Oct-10.97786113) 5.4837e-05 TDB period 1987.729909235875 5.44 1.2236e-05 3.35e-08 d yr n .1811111249708929 1.1149e-09 deg/d Q 3.599196242623476 1.4771e-08 au   Orbit Determination Parameters    # obs. used (total)      2284      data-arc span      16185 days (44.31 yr)      first obs. used      1976-09-24      last obs. used      2021-01-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49376      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 02:00:19   Additional Information  Earth MOID = 1.57576 au   Jupiter MOID = 1.75594 au   T_jup = 3.203  [ 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 13.38   n/a E2021B10   diameter diameter 10.814 km 0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.079   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   11390 (1998 VG15)          Discovered 1998-Nov-10 by LINEAR at Socorro Reference: 19990831/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1998 VG15 = 1976 ST3 = 1997 MB5  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-12 11:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin