+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   44594 (1999 OX3) Classification: TransNeptunian Object          SPK-ID: 2044594 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .455572663165681 3.1894e-06   a 32.33726557402711 0.00024422 au q 17.60529137697168 3.1193e-05 au i 2.625918870905655 3.5539e-06 deg node 259.0435692501731 0.00025871 deg peri 144.1810559713797 0.00040994 deg M 352.8599695124558 0.00017709 deg tp 2460332.643261633012 (2024-Jan-23.14326163) 0.01815 TDB period 67166.60034218377 183.89 0.7609 0.002083 d yr n .005359806781435433 6.0719e-08 deg/d Q 47.06923977108254 0.00035548 au   Orbit Determination Parameters    # obs. used (total)      706      data-arc span      7787 days (21.32 yr)      first obs. used      1999-07-21      last obs. used      2020-11-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      1      norm. resid. RMS      .40218      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 21:19:14   Additional Information  Earth MOID = 16.6148 au   Jupiter MOID = 12.623 au   T_jup = 4.595  [ show covariance matrix ] [ 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 7.0   n/a MPO452782   rotation period rot_per 9.26 h n/a LCDB (Rev. 2020-October); 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: [Thirouin, A.; Ortiz, J.L.; Campo Bagatin, A.; Pravec, P.; et al. (2012) Mon. Not. Royal Ast. Soc. 424, 3156-3177.] 44594 (1999 OX3)          Discovered 1999-Jul-21 by Kavelaars, J. J., Gladman, B., Holman, M., Petit, J.-M. at Mauna Kea Reference: 20020822/Numbers.arc Last Updated: 2004-04-19 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 1995-Jun-11 00:07 03:22 Neptune 0.525072964154412 0.525045192866267 0.52510073593718 2.53408421564343 2.49950279056412 2449879.504990757 201.548825441343 2568.62464841094 1272.42521196446 -76.6881925715778 48216.6547141035 T 37 CATAB v2.0f-lin.ifort 2020-Dec-17 21:19:16 2020-Dec-17 21:19 2030-Oct-27 15:11 00:52 Uranus 0.570761153996116 0.570569243642061 0.570953064665786 2.22819229763076 2.19752424562548 2462802.132409408 51.7880254827031 9593.84951948821 616.393582224474 0.422558550176165 9887.00057009045 T 37 CATAB v2.0f-lin.ifort 2020-Dec-17 21:19:16 2020-Dec-17 21:19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-19 00:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin