+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   78884 (2003 SW2) Classification: Outer Main-belt Asteroid          SPK-ID: 2078884 [ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1419179833324806 4.7746e-08   a 3.425757305331965 3.1301e-08 au q 2.939580737172739 1.5406e-07 au i 7.540951668411974 6.5242e-06 deg node 348.6035196021464 3.7632e-05 deg peri 98.29659234620947 4.4816e-05 deg M 163.0743465708382 2.3001e-05 deg tp 2457951.401026983593 (2017-Jul-16.90102698) 0.00014632 TDB period 2315.972059540631 6.34 3.1741e-05 8.69e-08 d yr n .1554422897793531 2.1304e-09 deg/d Q 3.91193387349119 3.5743e-08 au   Orbit Determination Parameters    # obs. used (total)      652      data-arc span      7387 days (20.22 yr)      first obs. used      1999-02-10      last obs. used      2019-05-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57179      source      ORB      producer      Otto Matic      solution date      2020-Feb-23 18:32:32   Additional Information  Earth MOID = 1.96844 au   Jupiter MOID = 1.36759 au   T_jup = 3.111  [ hide covariance matrix ] Orbital Elements at Epoch 2456907.5 (2014-Sep-07.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1445097113865165 4.7739e-08   q 2.928824336784306 1.543e-07 au tp 2457951.070274375361 (2017-Jul-16.57027438) 0.00014321 TDB node 348.6827760498929 3.7626e-05 deg peri 97.90689819083133 4.4482e-05 deg i 7.544576623839198 6.5269e-06 deg   Orbit Determination Parameters    # obs. used (total)      652      data-arc span      7387 days (20.22 yr)      first obs. used      1999-02-10      last obs. used      2019-05-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57179      source      ORB      producer      Otto Matic      solution date      2020-Feb-23 18:32:32   Additional Information  Jupiter MOID = 1.36759 au   T_jup = 3.111  Orbit Covariance (6×6)   e q tp node peri i e 2.27900862680464E-15 -7.266372574950169E-15 -1.305045045457383E-13 -4.981082977528401E-15 -1.417834482063473E-13 7.167037028135647E-16 q -7.266372574950169E-15 2.380835282363431E-14 5.366911712202173E-13 2.978072467317145E-14 3.922273305881188E-13 8.565669871608848E-16 tp -1.305045045457383E-13 5.366911712202173E-13 2.050903735387608E-8 -2.461526873858032E-11 3.386569878213788E-9 -7.829225898163154E-12 node -4.981082977528401E-15 2.978072467317145E-14 -2.461526873858032E-11 1.415747638075423E-9 -1.40735075272525E-9 2.884282052610077E-11 peri -1.417834482063473E-13 3.922273305881188E-13 3.386569878213788E-9 -1.40735075272525E-9 1.978650838445816E-9 -2.99911399581009E-11 i 7.167037028135647E-16 8.565669871608848E-16 -7.829225898163154E-12 2.884282052610077E-11 -2.99911399581009E-11 4.260083854027639E-11 [ 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 14.0   n/a MPO436333   78884 (2003 SW2)          Discovered 2003-Sep-16 by NEAT at Palomar Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2003 SW2 = 1999 CT22  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-18 03:53 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin