+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   382243 (2012 SV39) Classification: Main-belt Asteroid          SPK-ID: 2382243 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08532925947750315 7.8869e-08   a 3.098390697108206 6.3483e-08 au q 2.834007313351978 2.6194e-07 au i 3.882527773470493 1.0212e-05 deg node 323.6970485728518 8.2531e-05 deg peri 235.5239447272377 0.0001007 deg M 308.0818343210821 6.3292e-05 deg tp 2459287.789356224928 (2021-Mar-14.28935622) 0.00035477 TDB period 1992.061292777354 5.45 6.1223e-05 1.676e-07 d yr n .1807173309903954 5.5541e-09 deg/d Q 3.362774080864435 6.89e-08 au   Orbit Determination Parameters    # obs. used (total)      201      data-arc span      6784 days (18.57 yr)      first obs. used      2001-08-27      last obs. used      2020-03-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52975      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 17:44:00   Additional Information  Earth MOID = 1.83418 au   Jupiter MOID = 1.6222 au   T_jup = 3.214  [ 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 15.9   n/a MPO427902   diameter diameter 2.693 km 0.651 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 7.20 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 [Result based on fragmentary lightcurve(s), may be completely wrong.] geometric albedo albedo 0.067   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   382243 (2012 SV39)          Discovered 2007-Oct-10 by Spacewatch at Kitt Peak Reference: Last Updated: 2013-12-19 [ show close-approach data ] Alternate Designations  2012 SV39 = 2010 MT110  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Nov-30 15:31 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin