+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   357743 (2005 SS31) Classification: Main-belt Asteroid          SPK-ID: 2357743 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07223107516016786 9.8042e-08   a 3.091969359194518 3.8479e-08 au q 2.868633088017603 2.9916e-07 au i 10.27699042426498 1.0749e-05 deg node 33.08689426938929 2.6919e-05 deg peri 11.91627289526474 4.9303e-05 deg M 232.4408639355787 4.0067e-05 deg tp 2459704.155793136615 (2022-May-04.65579314) 0.00022417 TDB period 1985.871755992835 5.44 3.7071e-05 1.015e-07 d yr n .1812805881918685 3.384e-09 deg/d Q 3.315305630371433 4.1259e-08 au   Orbit Determination Parameters    # obs. used (total)      311      data-arc span      4995 days (13.68 yr)      first obs. used      2005-09-23      last obs. used      2019-05-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59325      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 06:43:02   Additional Information  Earth MOID = 1.878 au   Jupiter MOID = 2.05327 au   T_jup = 3.196  [ hide covariance matrix ] Orbital Elements at Epoch 2457415.5 (2016-Jan-28.0) TDB Reference: JPL 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07481471687035846 9.7494e-08   q 2.856976225405155 2.9669e-07 au tp 2457724.863743223939 (2016-Dec-02.36374322) 0.00021136 TDB node 33.14828100865851 2.6874e-05 deg peri 12.5425005495496 4.8374e-05 deg i 10.29159316703057 1.0762e-05 deg   Orbit Determination Parameters    # obs. used (total)      311      data-arc span      4995 days (13.68 yr)      first obs. used      2005-09-23      last obs. used      2019-05-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59325      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 06:43:02   Additional Information  Jupiter MOID = 2.05327 au   T_jup = 3.196  Orbit Covariance (6×6)   e q tp node peri i e 9.505169478844827E-15 -2.871838958540488E-14 -1.010858562763116E-11 1.425863465880574E-14 -2.048438604334791E-12 1.084179863763424E-14 q -2.871838958540488E-14 8.802732302737316E-14 3.1742706101136E-11 -4.357618474125012E-14 6.372253479416635E-12 -3.316159355754884E-14 tp -1.010858562763116E-11 3.1742706101136E-11 4.467332838018614E-8 -1.469233178795615E-11 8.503882422313637E-9 -2.454073510300498E-11 node 1.425863465880574E-14 -4.357618474125012E-14 -1.469233178795615E-11 7.22202364340838E-10 -7.133999501161249E-10 -4.67342049264086E-11 peri -2.048438604334791E-12 6.372253479416635E-12 8.503882422313637E-9 -7.133999501161249E-10 2.340082377744817E-9 4.120054573824965E-11 i 1.084179863763424E-14 -3.316159355754884E-14 -2.454073510300498E-11 -4.67342049264086E-11 4.120054573824965E-11 1.158104813698519E-10 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.9   n/a MPO437510   diameter diameter 3.835 km 1.883 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.057   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   357743 (2005 SS31)          Discovered 2005-Sep-23 by Spacewatch at Kitt Peak Reference: 20130327/Numbers.arc Last Updated: 2013-03-29 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-20 05:31 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin