+ 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 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1632967887945955 2.9639e-08   a 3.094636551062262 1.2695e-08 au q 2.589292339787412 9.0636e-08 au i .472800037227664 3.2926e-06 deg node 328.684303307146 0.0004042 deg peri 1.503871445495819 0.00040434 deg M 113.8264577046663 9.957e-06 deg tp 2458767.785288092253 (2019-Oct-11.28528809) 5.4811e-05 TDB period 1988.441886455281 5.44 1.2236e-05 3.35e-08 d yr n .1810462767115403 1.114e-09 deg/d Q 3.599980762337111 1.4768e-08 au   Orbit Determination Parameters    # obs. used (total)      2331      data-arc span      16280 days (44.57 yr)      first obs. used      1976-09-24      last obs. used      2021-04-21      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .49394      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 16:33:13   Additional Information  Earth MOID = 1.57765 au   Jupiter MOID = 1.75508 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-Jul-25 11:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin