+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 40 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2323141684479894 1.5182e-08   a 2.554270914157467 9.8049e-09 au q 1.96087759074409 4.1267e-08 au i 8.641749579558152 1.1575e-06 deg node 71.05619805904057 4.0477e-06 deg peri 356.2356603876628 5.4366e-06 deg M 289.2893602285218 6.9287e-06 deg tp 2459493.374209771286 (2021-Oct-05.87420977) 2.9446e-05 TDB period 1491.072854925449 4.08 8.5855e-06 2.351e-08 d yr n .2414368947907641 1.3902e-09 deg/d Q 3.147664237570845 1.2083e-08 au   Orbit Determination Parameters    # obs. used (total)      2062      data-arc span      17504 days (47.92 yr)      first obs. used      1973-01-01      last obs. used      2020-12-04      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .4533      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 14:49:21   Additional Information  Earth MOID = .974446 au   Jupiter MOID = 2.17287 au   T_jup = 3.385  [ 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 13.35   n/a MPCxxxxx   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-Jun-15 14:42 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin