+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   268180 (2004 XK92) Classification: Main-belt Asteroid          SPK-ID: 2268180 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .120897435986825 5.8262e-08   a 3.077339838022907 3.1e-08 au q 2.705297341945827 1.8736e-07 au i 11.68470775705608 6.8573e-06 deg node 61.76931956860106 3.0942e-05 deg peri 8.631224406794681 4.2791e-05 deg M 350.3789059613475 2.7259e-05 deg tp 2459253.196718786332 (2021-Feb-07.69671879) 0.00014927 TDB period 1971.79433927833 5.40 2.9795e-05 8.157e-08 d yr n .1825748217391469 2.7588e-09 deg/d Q 3.449382334099989 3.4748e-08 au   Orbit Determination Parameters    # obs. used (total)      228      data-arc span      5958 days (16.31 yr)      first obs. used      2004-09-16      last obs. used      2021-01-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57442      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 14:17:58   Additional Information  Earth MOID = 1.71952 au   Jupiter MOID = 1.87599 au   T_jup = 3.186  [ hide covariance matrix ] Orbital Elements at Epoch 2457682.5 (2016-Oct-21.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1169600716472585 5.7675e-08   q 2.720931145425909 1.8386e-07 au tp 2457269.242448458295 (2015-Sep-03.74244846) 0.00016293 TDB node 61.8750890445821 3.1042e-05 deg peri 7.039520716475494 4.393e-05 deg i 11.66164137135267 6.8499e-06 deg   Orbit Determination Parameters    # obs. used (total)      228      data-arc span      5958 days (16.31 yr)      first obs. used      2004-09-16      last obs. used      2021-01-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57442      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 14:17:58   Additional Information  Jupiter MOID = 1.87599 au   T_jup = 3.186  Orbit Covariance (6×6)   e q tp node peri i e 3.326408452707795E-15 -1.048953262857101E-14 -2.078230888694168E-12 3.238185702819397E-15 -3.705859019085644E-13 -1.328876924863155E-15 q -1.048953262857101E-14 3.380423948369417E-14 5.342282602648301E-12 -1.111092204649372E-14 9.727942651331873E-13 6.608306659714661E-15 tp -2.078230888694168E-12 5.342282602648301E-12 2.654536168750944E-8 4.070494174640431E-12 5.106666076462769E-9 5.191219585896215E-12 node 3.238185702819397E-15 -1.111092204649372E-14 4.070494174640431E-12 9.636348519205194E-10 -9.438971644059657E-10 -6.943385020234624E-11 peri -3.705859019085644E-13 9.727942651331873E-13 5.106666076462769E-9 -9.438971644059657E-10 1.929870147949612E-9 6.912647204337602E-11 i -1.328876924863155E-15 6.608306659714661E-15 5.191219585896215E-12 -6.943385020234624E-11 6.912647204337602E-11 4.692120315618748E-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 15.85   n/a E2021B55   268180 (2004 XK92)          Discovered 2004-Dec-11 by LINEAR at Socorro Reference: 20110319/Numbers.arc Last Updated: 2011-03-23 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-04 03:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin