+ 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 ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 44 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0241737256878493 1.6386e-08   a 2.236757882638182 4.4698e-09 au q 2.182687111153153 3.7148e-08 au i 3.139370239673752 7.2329e-07 deg node 29.63218717818405 1.627e-05 deg peri 356.3181406033808 3.4938e-05 deg M 141.6676148300207 2.7571e-05 deg tp 2458915.666217371384 (2020-Mar-07.16621737) 9.3568e-05 TDB period 1221.875316768728 3.35 3.6626e-06 1.003e-08 d yr n .2946290796282117 8.8315e-10 deg/d Q 2.290828654123213 4.5778e-09 au   Orbit Determination Parameters    # obs. used (total)      3373      data-arc span      33490 days (91.69 yr)      first obs. used      1929-09-29      last obs. used      2021-06-08      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .40766      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 12:48:44   Additional Information  Earth MOID = 1.18417 au   Jupiter MOID = 2.76831 au   T_jup = 3.635  [ 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 12.78   n/a MPCxxxxx   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 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 ] 2021-Jul-28 05:24 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin