+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120481 Johannwalter (1992 SP17) Classification: Main-belt Asteroid          SPK-ID: 2120481 [ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .198235769325433 5.0745e-08   a 2.401124615108531 1.1569e-08 au q 1.925135829786257 1.2258e-07 au i 2.124133322641066 6.8168e-06 deg node 337.3175971991803 0.00012212 deg peri 325.4078702165509 0.00012295 deg M 252.0533744220215 1.4435e-05 deg tp 2459607.999468662955 (2022-Jan-28.49946866) 5.5305e-05 TDB period 1359.003191931097 3.72 9.8219e-06 2.689e-08 d yr n .2649000400716148 1.9145e-09 deg/d Q 2.877113400430805 1.3863e-08 au   Orbit Determination Parameters    # obs. used (total)      408      data-arc span      10366 days (28.38 yr)      first obs. used      1992-09-24      last obs. used      2021-02-10      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .55498      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 17:06:38   Additional Information  Earth MOID = .908285 au   Jupiter MOID = 2.35855 au   T_jup = 3.498  [ 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 16.8   n/a MPO453675   diameter diameter 1.669 km 0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.132   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   120481 Johannwalter           Discovered 1992 Sept. 24 by F. Börngen and L.D.Schmadel at Tautenburg. Johann Walter (1496-1570), born not far from Jena, was cantor in the town of Torgau and director of the Saxon court orchestra. He published several collections of hymnbooks and composed the melody of the international ecumenical song Each morning with its newborn light. The name was suggested by the first discoverer. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20060809/MPCPages.arc Last Updated: 2007-08-08 [ show close-approach data ] Alternate Designations  1992 SP17 = 2002 CQ229  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-18 22:07 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin