+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1632728999248476 3.7911e-08   a 3.093094430413253 1.4506e-08 au q 2.588075933018287 1.202e-07 au i .472836962760936 4.2539e-06 deg node 328.6693095021456 0.00040939 deg peri 1.348572244616092 0.00040955 deg M 42.27807596693873 1.0105e-05 deg tp 2458767.153705188259 (2019-Oct-10.65370519) 5.5884e-05 TDB period 1986.955749781946 5.44 1.3978e-05 3.827e-08 d yr n .1811816896473449 1.2746e-09 deg/d Q 3.59811292780822 1.6875e-08 au   Orbit Determination Parameters    # obs. used (total)      1966      data-arc span      15809 days (43.28 yr)      first obs. used      1976-09-24      last obs. used      2020-01-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51243      source      ORB      producer      Otto Matic      solution date      2020-Jan-28 22:27:40   Additional Information  Earth MOID = 1.57714 au   Jupiter MOID = 1.75657 au   T_jup = 3.204  [ 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 13.3   n/a MPO302136   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 ] 2020-Oct-21 18:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin