+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120722 (1997 SV13) Classification: Outer Main-belt Asteroid          SPK-ID: 2120722 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07509681065976723 4.922e-08   a 3.227830705138987 3.8913e-08 au q 2.985430913833381 1.6646e-07 au i 5.018188648869177 8.7996e-06 deg node 321.6636910777875 7.3838e-05 deg peri 291.9406188297331 9.7896e-05 deg M 83.00363379559924 6.6888e-05 deg tp 2458512.118556017260 (2019-Jan-28.61855602) 0.00039109 TDB period 2118.188226153396 5.80 3.8304e-05 1.049e-07 d yr n .16995656738861 3.0734e-09 deg/d Q 3.470230496444592 4.1836e-08 au   Orbit Determination Parameters    # obs. used (total)      317      data-arc span      7513 days (20.57 yr)      first obs. used      1997-09-28      last obs. used      2018-04-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52256      source      ORB      producer      Otto Matic      solution date      2018-Oct-04 04:43:04   Additional Information  Earth MOID = 1.97565 au   Jupiter MOID = 1.614 au   T_jup = 3.177  [ 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 15.1   n/a MPO475060   diameter diameter 6.435 km 0.305 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.039   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   120722 (1997 SV13)          Discovered 1997-Sep-28 by Spacewatch at Kitt Peak Reference: 20060314/Numbers.arc Last Updated: 2006-03-23 [ show close-approach data ] Alternate Designations  1997 SV13 = 2002 PT158  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-22 02:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin