+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   58585 (1997 SX11) Classification: Main-belt Asteroid          SPK-ID: 2058585 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1392362145114787 5.5085e-08   a 2.315698133453838 8.3729e-09 au q 1.993269091400428 1.3048e-07 au i 2.648495562709794 4.9341e-06 deg node 309.3738386865516 0.00010151 deg peri 68.1509686297025 0.00010263 deg M 209.0454884537807 1.5754e-05 deg tp 2459740.215563424216 (2022-Jun-09.71556342) 5.7521e-05 TDB period 1287.126836041781 3.52 6.9809e-06 1.911e-08 d yr n .2796927155268435 1.5169e-09 deg/d Q 2.638127175507247 9.5388e-09 au   Orbit Determination Parameters    # obs. used (total)      730      data-arc span      9209 days (25.21 yr)      first obs. used      1995-01-30      last obs. used      2020-04-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56807      source      ORB      producer      Otto Matic      solution date      2020-May-20 11:37:43   Additional Information  Earth MOID = .995202 au   Jupiter MOID = 2.8342 au   T_jup = 3.567  [ hide covariance matrix ] Orbital Elements at Epoch 2456919.5 (2014-Sep-19.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1387908062797299 5.5237e-08   q 1.994979053787577 1.3089e-07 au tp 2457163.058973239563 (2015-May-20.55897324) 5.319e-05 TDB node 309.5284405108833 0.00010129 deg peri 67.51469585021681 0.00010241 deg i 2.651025775418679 4.9408e-06 deg   Orbit Determination Parameters    # obs. used (total)      730      data-arc span      9209 days (25.21 yr)      first obs. used      1995-01-30      last obs. used      2020-04-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56807      source      ORB      producer      Otto Matic      solution date      2020-May-20 11:37:43   Additional Information  Jupiter MOID = 2.8342 au   T_jup = 3.567  Orbit Covariance (6×6)   e q tp node peri i e 3.051165159345889E-15 -7.220697751404891E-15 -1.444608352025621E-12 2.93008899246064E-14 -4.264282832182203E-13 -9.071723713650288E-16 q -7.220697751404891E-15 1.713246590769252E-14 3.428595154964987E-12 -6.869044513434605E-14 1.008592528623168E-12 2.263831939931066E-15 tp -1.444608352025621E-12 3.428595154964987E-12 2.829175994260029E-9 -1.770450325071309E-11 8.278466717149931E-10 1.192877405699719E-12 node 2.93008899246064E-14 -6.869044513434605E-14 -1.770450325071309E-11 1.02593866887593E-8 -1.025287941764135E-8 2.421629021622607E-10 peri -4.264282832182203E-13 1.008592528623168E-12 8.278466717149931E-10 -1.025287941764135E-8 1.048803586047672E-8 -2.415914635641061E-10 i -9.071723713650288E-16 2.263831939931066E-15 1.192877405699719E-12 2.421629021622607E-10 -2.415914635641061E-10 2.4411182860815E-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 16.07   n/a E2021B10   58585 (1997 SX11)          Discovered 1997-Sep-27 by Spacewatch at Kitt Peak Reference: 20030614/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1997 SX11 = 2001 YQ80  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-04 03:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin