+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   26393 Scaffa (1999 VT35) Classification: Main-belt Asteroid          SPK-ID: 2026393 [ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1144844160306774 2.8115e-08   a 2.207815576193892 6.3699e-09 au q 1.955055099249901 6.1892e-08 au i 2.587835860920041 2.9828e-06 deg node 80.84957081282253 8.8563e-05 deg peri 31.28925800009183 9.0258e-05 deg M 53.82539148491619 1.7081e-05 deg tp 2458821.345668488877 (2019-Dec-03.84566849) 5.682e-05 TDB period 1198.236697676008 3.28 5.1857e-06 1.42e-08 d yr n .3004414742915349 1.3002e-09 deg/d Q 2.460576053137883 7.0992e-09 au   Orbit Determination Parameters    # obs. used (total)      1192      data-arc span      17952 days (49.15 yr)      first obs. used      1971-03-24      last obs. used      2020-05-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49397      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 01:29:12   Additional Information  Earth MOID = .972203 au   Jupiter MOID = 2.619 au   T_jup = 3.650  [ 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 15.64   n/a E2021B10   diameter diameter 1.943 km 0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.269   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   26393 Scaffa           Discovered 1999 Nov. 3 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Alejandro Mariano Scaffa (b. 1992) was awarded best of category and first place in the 2010 Intel International Science and Engineering Fair for his biochemistry project. He attends the Escola Americana de Campinas, Campinas, Sao Paulo, Brazil. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20110319/MPCPages.arc Last Updated: 2011-03-23 [ show close-approach data ] Alternate Designations  1999 VT35 = 1992 SL21 = 2124 T-1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-01 02:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin