+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0565640323644972 4.5644e-08   a 2.923668195443309 2.4521e-08 au q 2.758293733013203 1.3951e-07 au i 5.997541210518459 4.6292e-06 deg node 167.6618639840634 4.8511e-05 deg peri 267.7667636866445 6.4799e-05 deg M 29.78250716148391 4.1559e-05 deg tp 2458849.440060627460 (2019-Dec-31.94006063) 0.00021104 TDB period 1825.957025016452 5.00 2.2971e-05 6.289e-08 d yr n .1971568854402564 2.4803e-09 deg/d Q 3.089042657873415 2.5908e-08 au   Orbit Determination Parameters    # obs. used (total)      407      data-arc span      8726 days (23.89 yr)      first obs. used      1996-03-11      last obs. used      2020-01-31      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53853      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 07:27:54   Additional Information  Earth MOID = 1.78161 au   Jupiter MOID = 2.06372 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 15.6   n/a MPO417703   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 ] 2020-Oct-26 20:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin