+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   379283 (2009 VF1) Classification: Main-belt Asteroid          SPK-ID: 2379283 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2184403329880361 6.571e-08   a 2.584422290664132 2.3018e-08 au q 2.019880224909756 1.737e-07 au i 13.01217433049973 8.982e-06 deg node 38.45404116633573 2.0398e-05 deg peri 116.9074094587512 2.6958e-05 deg M 115.3507366775966 1.6039e-05 deg tp 2458514.247871030631 (2019-Jan-30.74787103) 6.7064e-05 TDB period 1517.552219178599 4.15 2.0274e-05 5.551e-08 d yr n .237224126755161 3.1693e-09 deg/d Q 3.148964356418508 2.8047e-08 au   Orbit Determination Parameters    # obs. used (total)      456      data-arc span      6397 days (17.51 yr)      first obs. used      2001-12-20      last obs. used      2019-06-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56934      source      ORB      producer      Otto Matic      solution date      2020-Feb-26 03:09:43   Additional Information  Earth MOID = 1.06424 au   Jupiter MOID = 1.93762 au   T_jup = 3.354  [ 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 16.1   n/a MPO476776   diameter diameter 3.426 km 0.328 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.072   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   379283 (2009 VF1)          Discovered 2009-Nov-09 by Chestnov, D., Novichonok, A. at Tzec Maun Reference: Last Updated: 2013-11-20 [ show close-approach data ] Alternate Designations  2009 VF1 = 2001 YQ155  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-25 01:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin