+ 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 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1632729060366135 3.2085e-08   a 3.093094428548998 1.3219e-08 au q 2.588075912554145 9.9485e-08 au i .4728382719831804 3.6914e-06 deg node 328.6693324796805 0.00040826 deg peri 1.348550365218668 0.0004084 deg M 42.27807554974275 9.9935e-06 deg tp 2458767.153707701860 (2019-Oct-10.65370770) 5.5165e-05 TDB period 1986.955747985593 5.44 1.2737e-05 3.487e-08 d yr n .1811816898111463 1.1615e-09 deg/d Q 3.598112944543851 1.5377e-08 au   Orbit Determination Parameters    # obs. used (total)      2156      data-arc span      16124 days (44.15 yr)      first obs. used      1976-09-24      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50201      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:45:46   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 ] 2021-Jan-24 11:36 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin