+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1797 Schaumasse (1936 VH) Classification: Main-belt Asteroid          SPK-ID: 2001797 [ 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 .02393135212587742 3.1977e-08   a 2.236466045720734 5.0554e-09 au q 2.182944389263023 7.2694e-08 au i 3.139462777466991 3.3898e-06 deg node 29.64167094564318 5.6753e-05 deg peri 356.0810682300477 8.7953e-05 deg M 25.23754565210221 6.6996e-05 deg tp 2458914.858057898631 (2020-Mar-06.35805790) 0.00022734 TDB period 1221.636191628835 3.34 4.1422e-06 1.134e-08 d yr n .2946867508239126 9.9919e-10 deg/d Q 2.289987702178446 5.1764e-09 au   Orbit Determination Parameters    # obs. used (total)      2909      data-arc span      33286 days (91.13 yr)      first obs. used      1929-09-29      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .42912      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:02:44   Additional Information  Earth MOID = 1.18515 au   Jupiter MOID = 2.7701 au   T_jup = 3.635  [ 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 12.7   n/a MPO244190   diameter diameter 9.077 km 0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   rotation period rot_per 6.1125 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Higgins, D.; Pravec, P.; Kusnirak, P.; Hornoch, K.; Brinsfield, J.W.; Allen, B.; Warner, B.D. (2008) Minor Planet Bull. 35, 123-126.] [Behrend, R. (2015) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] geometric albedo albedo 0.178   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 1797 Schaumasse (1936 VH)          Discovered 1936-Nov-15 by Patry, A. at Nice Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1936 VH = 1929 SR = 1951 EZ1 = 1958 GC = 1959 SG = 1969 TD  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-21 09:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin