+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120466 (1991 VS7) Classification: Main-belt Asteroid          SPK-ID: 2120466 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1889832441039633 5.6423e-08   a 2.692510501063792 1.9768e-08 au q 2.183671131788769 1.5875e-07 au i 4.523779608003345 4.6627e-06 deg node 69.11926539039061 7.6829e-05 deg peri 259.294759600012 7.7944e-05 deg M 264.6755509685019 1.2023e-05 deg tp 2459627.803390215203 (2022-Feb-17.30339022) 5.4615e-05 TDB period 1613.74360974951 4.42 1.7772e-05 4.866e-08 d yr n .223083764871348 2.4568e-09 deg/d Q 3.201349870338816 2.3504e-08 au   Orbit Determination Parameters    # obs. used (total)      406      data-arc span      10398 days (28.47 yr)      first obs. used      1991-10-06      last obs. used      2020-03-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54696      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 17:57:00   Additional Information  Earth MOID = 1.17603 au   Jupiter MOID = 2.16046 au   T_jup = 3.341  [ 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 16.07   n/a E2021B55   diameter diameter 3.517 km 0.968 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.062   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   120466 (1991 VS7)          Discovered 1991-Nov-03 by Spacewatch at Kitt Peak Reference: 20060314/Numbers.arc Last Updated: 2006-03-23 [ show close-approach data ] Alternate Designations  1991 VS7 = 2004 RT60  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-03 19:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin