+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   230965 (2004 XA192) Classification: TransNeptunian Object          SPK-ID: 2230965 [ 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 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2422858860393376 5.7224e-05   a 46.80486485266875 0.0042848 au q 35.46470670088846 0.00057363 au i 38.17683499106336 5.5657e-05 deg node 328.5659306540608 0.00010766 deg peri 132.2695018522342 0.0035592 deg M 1.548389107032253 0.0019631 deg tp 2458497.448409045122 (2019-Jan-13.94840905) 0.68286 TDB period 116959.3430496691 320.22 16.061 0.04397 d yr n .003077992664913644 4.2267e-07 deg/d Q 58.14502300444904 0.005323 au   Orbit Determination Parameters    # obs. used (total)      85      data-arc span      11115 days (30.43 yr)      first obs. used      1989-08-29      last obs. used      2020-02-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      3      norm. resid. RMS      .68502      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 06:48:09   Additional Information  Earth MOID = 34.5899 au   Jupiter MOID = 30.7395 au   T_jup = 4.686  [ hide covariance matrix ] Orbital Elements at Epoch 2457775.5 (2017-Jan-22.0) TDB Reference: JPL 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2464888128659643 5.7245e-05   q 35.46491258042263 0.00057713 au tp 2458613.109007210262 (2019-May-09.60900721) 0.68631 TDB node 328.7216011361904 0.00010793 deg peri 132.7529266207251 0.003584 deg i 38.09141392159123 5.5718e-05 deg   Orbit Determination Parameters    # obs. used (total)      85      data-arc span      11115 days (30.43 yr)      first obs. used      1989-08-29      last obs. used      2020-02-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      3      norm. resid. RMS      .68502      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 06:48:09   Additional Information  Jupiter MOID = 30.7395 au   T_jup = 4.686  Orbit Covariance (6×6)   e q tp node peri i e 3.276961786329514E-9 3.263399135649616E-8 -2.675970866481643E-5 -1.802204894739489E-10 -1.396228207810052E-7 7.310836773213402E-10 q 3.263399135649616E-8 3.330774168785212E-7 -.0003080476347346454 -1.236262764677063E-9 -1.607730281047077E-6 7.11603109525669E-9 tp -2.675970866481643E-5 -.0003080476347346454 .471024086587418 -1.954107347254107E-6 .002459014922232483 -4.805005777149742E-6 node -1.802204894739489E-10 -1.236262764677063E-9 -1.954107347254107E-6 1.164994726853917E-8 -1.933801307061313E-8 -5.635190917935302E-9 peri -1.396228207810052E-7 -1.607730281047077E-6 .002459014922232483 -1.933801307061313E-8 1.284483674759516E-5 -2.067838841953444E-8 i 7.310836773213402E-10 7.11603109525669E-9 -4.805005777149742E-6 -5.635190917935302E-9 -2.067838841953444E-8 3.104449805130249E-9 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 4.2   n/a MPO396699   rotation period rot_per 7.88 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong. Published Reference List: [Thirouin, A.; Ortiz, J.L.; Campo Bagatin, A.; Pravec, P.; et al. (2012) Mon. Not. Royal Ast. Soc. 424, 3156-3177.] 230965 (2004 XA192)          Discovered 2004-Dec-12 by Palomar at Palomar Reference: 20100130/Numbers.arc Last Updated: 2010-02-01 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-08 07:28 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin