+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   48422 Schrade (1988 VN7) Classification: Main-belt Asteroid          SPK-ID: 2048422 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1694582477459204 5.104e-08   a 2.296151895968734 8.4123e-09 au q 1.907050019119399 1.2075e-07 au i 8.178235041944097 4.0352e-06 deg node 62.13788874464717 4.1693e-05 deg peri 328.0531711049931 4.4665e-05 deg M 37.65704502371686 1.6148e-05 deg tp 2458867.563853593310 (2020-Jan-19.06385359) 5.6771e-05 TDB period 1270.864792398536 3.48 6.984e-06 1.912e-08 d yr n .2832716762265188 1.5567e-09 deg/d Q 2.685253772818069 9.8378e-09 au   Orbit Determination Parameters    # obs. used (total)      820      data-arc span      14265 days (39.06 yr)      first obs. used      1981-10-25      last obs. used      2020-11-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54889      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 21:26:18   Additional Information  Earth MOID = .918728 au   Jupiter MOID = 2.75073 au   T_jup = 3.562  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.4   n/a MPO302335   diameter diameter 1.913 km 0.333 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.401   0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   48422 Schrade           Discovered 1988 Nov. 3 by F. Börngen at Tautenburg. Engineer Hugo Schrade (1900-1974), employed by the firm Carl Zeiss Jena from 1929, became the highly esteemed head works manager during 1945-1966. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20030501/MPCPages.arc Last Updated: 2003-10-02 Alternate Designations  1988 VN7 = 1981 UJ26  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-21 10:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin