+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14156 (1998 SV131) Classification: Main-belt Asteroid          SPK-ID: 2014156 [ 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 32 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06365706843621095 5.3566e-08   a 2.596714892086252 1.2122e-08 au q 2.431415634491389 1.3425e-07 au i 12.96698618329554 4.8215e-06 deg node 224.4627267471897 1.5519e-05 deg peri 125.7118908650227 3.7259e-05 deg M 137.8881088415737 3.5315e-05 deg tp 2458615.091337918727 (2019-May-11.59133792) 0.00014897 TDB period 1528.392260360868 4.18 1.0702e-05 2.93e-08 d yr n .2355416271965422 1.6494e-09 deg/d Q 2.762014149681115 1.2894e-08 au   Orbit Determination Parameters    # obs. used (total)      1560      data-arc span      11072 days (30.31 yr)      first obs. used      1990-11-21      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .47226      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:18:29   Additional Information  Earth MOID = 1.45036 au   Jupiter MOID = 2.49268 au   T_jup = 3.378  [ 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 14.3   n/a MPO358768   diameter diameter 3.832 km 0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.302   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14156 (1998 SV131)          Discovered 1998-Sep-26 by LINEAR at Socorro Reference: 20000320/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1998 SV131 = 1990 WU6 = 1992 EZ1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-16 18:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin