+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101196 (1998 SM26) Classification: Main-belt Asteroid          SPK-ID: 2101196 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1800266458138726 4.5779e-08   a 3.118464546915067 2.0664e-08 au q 2.55705783444447 1.4368e-07 au i 1.063325415071487 5.5897e-06 deg node 318.1406879122592 0.0002669 deg peri 70.87776706894348 0.0002676 deg M 327.2476997549583 1.5266e-05 deg tp 2459183.499098046808 (2020-Nov-29.99909805) 8.4761e-05 TDB period 2011.451861516941 5.51 1.9993e-05 5.474e-08 d yr n .1789752003950545 1.779e-09 deg/d Q 3.679871259385665 2.4384e-08 au   Orbit Determination Parameters    # obs. used (total)      674      data-arc span      8078 days (22.12 yr)      first obs. used      1998-09-24      last obs. used      2020-11-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53993      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 04:28:28   Additional Information  Earth MOID = 1.5624 au   Jupiter MOID = 1.77417 au   T_jup = 3.191  [ 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 15.2   n/a MPO439692   diameter diameter 6.229 km 0.222 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.035   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   101196 (1998 SM26)          Discovered 1998-Sep-24 by Comba, P. G. at Prescott Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1998 SM26 = 2000 BW47  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 13:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin