+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   134225 (2005 XS61) Classification: Main-belt Asteroid          SPK-ID: 2134225 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05664304232313656 3.994e-08   a 2.923576212876116 2.1784e-08 au q 2.757975961715259 1.1748e-07 au i 5.998112239818014 4.5937e-06 deg node 167.6570813498951 4.2999e-05 deg peri 267.6563085283236 6.0377e-05 deg M 69.31514644371434 4.1125e-05 deg tp 2458848.943039704777 (2019-Dec-31.44303970) 0.00020895 TDB period 1825.870855067019 5.00 2.0407e-05 5.587e-08 d yr n .1971661900407442 2.2037e-09 deg/d Q 3.089176464036973 2.3018e-08 au   Orbit Determination Parameters    # obs. used (total)      454      data-arc span      9135 days (25.01 yr)      first obs. used      1996-03-11      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .54139      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 18:07:27   Additional Information  Earth MOID = 1.78078 au   Jupiter MOID = 2.06341 au   T_jup = 3.268  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.68   n/a E2021B55   134225 (2005 XS61)          Discovered 2005-Dec-04 by Spacewatch at Kitt Peak Reference: 20060711/Numbers.arc Last Updated: 2006-07-17 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-14 12:19 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin