+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120178 (2003 OP32) Classification: TransNeptunian Object          SPK-ID: 2120178 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1091036775922428 7.221e-06   a 43.48564676415975 0.00082822 au q 38.74120277971271 0.0005771 au i 27.13486327068517 4.2111e-05 deg node 183.0160203470121 5.3528e-05 deg peri 71.88884827138175 0.0070291 deg M 72.35485833742469 0.0072284 deg tp 2437949.025309797904 (1962-Oct-11.52530980) 1.5044 TDB period 104741.1474863306 286.77 2.9923 0.008192 d yr n .003437044644245304 9.8192e-08 deg/d Q 48.23009074860679 0.00091859 au   Orbit Determination Parameters    # obs. used (total)      394      data-arc span      10965 days (30.02 yr)      first obs. used      1990-07-21      last obs. used      2020-07-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      2      norm. resid. RMS      .39022      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 10:08:51   Additional Information  Earth MOID = 37.8291 au   Jupiter MOID = 33.9126 au   T_jup = 5.234  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 4.0   n/a MPO469246   rotation period rot_per 9.71 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Benecchi, S.D.; Sheppard, S.S. (2013) Astron. J. 145, A124.] [Thirouin, A.; Sheppard, S.S.; Noll, K.S.; Moskovitz, N.A.; et al. (2016) Astron. J. 151, A148.] 120178 (2003 OP32)          Discovered 2003-Jul-26 by Brown, M. E., Trujillo, C. A., Rabinowitz, D. at Palomar Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2020-Oct-19 16:13 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin