+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   3206 Wuhan (1980 VN1) Classification: Main-belt Asteroid          SPK-ID: 2003206 [ 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 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .232587246752233 3.6963e-08   a 2.555995652041308 9.7809e-09 au q 1.961503660622341 9.5434e-08 au i 8.64708436322767 3.8225e-06 deg node 71.10466065853103 2.4588e-05 deg peri 356.0070921346934 2.6265e-05 deg M 241.2709749995491 1.0987e-05 deg tp 2459492.758238838222 (2021-Oct-05.25823884) 4.6299e-05 TDB period 1492.583350878919 4.09 8.5674e-06 2.346e-08 d yr n .2411925603940385 1.3844e-09 deg/d Q 3.150487643460274 1.2056e-08 au   Orbit Determination Parameters    # obs. used (total)      2001      data-arc span      17486 days (47.87 yr)      first obs. used      1973-01-01      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .45047      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:10:53   Additional Information  Earth MOID = .975621 au   Jupiter MOID = 2.17011 au   T_jup = 3.384  [ 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 13.3   n/a MPO302081   diameter diameter 5.377 km 0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.222   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   3206 Wuhan (1980 VN1)          Discovered 1980-Nov-13 by Purple Mountain Observatory at Nanking Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1980 VN1 = 1973 AD  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-24 22:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin