+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160016 (1988 SX1) Classification: Main-belt Asteroid          SPK-ID: 2160016 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2377432537062323 4.5879e-08   a 2.446606275537262 1.5914e-08 au q 1.864942139052947 1.0779e-07 au i 6.695497967348896 3.8094e-06 deg node 114.7701221791893 4.6083e-05 deg peri 234.962705951286 4.7515e-05 deg M 104.7322188452872 1.4062e-05 deg tp 2458593.848518643126 (2019-Apr-20.34851864) 5.2265e-05 TDB period 1397.798451159829 3.83 1.3638e-05 3.734e-08 d yr n .2575478601376962 2.5128e-09 deg/d Q 3.028270412021578 1.9697e-08 au   Orbit Determination Parameters    # obs. used (total)      509      data-arc span      11460 days (31.38 yr)      first obs. used      1988-09-15      last obs. used      2020-01-31      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50097      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 13:12:17   Additional Information  Earth MOID = .867825 au   Jupiter MOID = 2.41488 au   T_jup = 3.450  [ hide covariance matrix ] Orbital Elements at Epoch 2457350.5 (2015-Nov-24.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2394612045620141 4.6139e-08   q 1.859734705226864 1.0857e-07 au tp 2457195.500851028425 (2015-Jun-22.00085103) 4.5312e-05 TDB node 114.8987886607377 4.6104e-05 deg peri 234.6427337622581 4.75e-05 deg i 6.695935648043525 3.8062e-06 deg   Orbit Determination Parameters    # obs. used (total)      509      data-arc span      11460 days (31.38 yr)      first obs. used      1988-09-15      last obs. used      2020-01-31      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50097      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 13:12:17   Additional Information  Jupiter MOID = 2.41488 au   T_jup = 3.450  Orbit Covariance (6×6)   e q tp node peri i e 2.128829843114904E-15 -4.983456133929982E-15 1.268228932659074E-12 3.763145021876892E-15 2.675227583122886E-13 -7.944648176023011E-15 q -4.983456133929982E-15 1.17864168263403E-14 -2.915091571464948E-12 -8.199262213829064E-15 -6.084483625957579E-13 1.861598112482965E-14 tp 1.268228932659074E-12 -2.915091571464948E-12 2.053148120371694E-9 -2.348063433613605E-12 5.497509022780268E-10 -8.706348798332139E-12 node 3.763145021876892E-15 -8.199262213829064E-15 -2.348063433613605E-12 2.125565780033363E-9 -2.111817853579191E-9 -6.589950235726247E-11 peri 2.675227583122886E-13 -6.084483625957579E-13 5.497509022780268E-10 -2.111817853579191E-9 2.256219996643469E-9 6.328223659572782E-11 i -7.944648176023011E-15 1.861598112482965E-14 -8.706348798332139E-12 -6.589950235726247E-11 6.328223659572782E-11 1.44874887817908E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.2   n/a MPO454057   160016 (1988 SX1)          Discovered 1988-Sep-16 by Bus, S. J. at Cerro Tololo Reference: 20070730/Numbers.arc Last Updated: 2007-08-06 Alternate Designations  1988 SX1 = 2005 AW41  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-08 04:24 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin