+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   58318 (1994 PW37) Classification: Main-belt Asteroid          SPK-ID: 2058318 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1501224553350845 5.0539e-08   a 3.086499763772691 2.589e-08 au q 2.623146840843976 1.6518e-07 au i 5.642633594509437 5.0027e-06 deg node 162.776145915075 5.2216e-05 deg peri 165.2096633122384 5.5398e-05 deg M 266.8183717698994 2.0249e-05 deg tp 2459513.155467038674 (2021-Oct-25.65546704) 0.00011404 TDB period 1980.604671107318 5.42 2.4921e-05 6.823e-08 d yr n .1817626734156549 2.287e-09 deg/d Q 3.549852686701406 2.9777e-08 au   Orbit Determination Parameters    # obs. used (total)      483      data-arc span      9420 days (25.79 yr)      first obs. used      1994-08-10      last obs. used      2020-05-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59589      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 22:51:31   Additional Information  Earth MOID = 1.61242 au   Jupiter MOID = 1.81456 au   T_jup = 3.201  [ 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 MPO432137   diameter diameter 3.918 km 0.594 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.115   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   58318 (1994 PW37)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla Reference: 20030614/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1994 PW37 = 2000 SO270  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-20 10:37 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin