+ 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 35 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4555749735673332 7.2939e-06   a 32.33744902072689 0.00059255 au q 17.60531653787425 8.8818e-05 au i 2.625919941742042 5.6728e-06 deg node 259.0427538548262 0.00055051 deg peri 144.1815916762446 0.0010328 deg M 352.8601146375573 0.00045726 deg tp 2460332.627520575943 (2024-Jan-23.12752058) 0.04881 TDB period 67167.17188905504 183.89 1.8461 0.005054 d yr n .005359761173131399 1.4732e-07 deg/d Q 47.06958150357953 0.00086249 au   Orbit Determination Parameters    # obs. used (total)      436      data-arc span      7487 days (20.50 yr)      first obs. used      1999-07-21      last obs. used      2020-01-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      2      norm. resid. RMS      .40798      source      ORB      producer      Otto Matic      solution date      2020-Feb-23 07:48:32   Additional Information  Earth MOID = 16.6148 au   Jupiter MOID = 12.6231 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. 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: [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 00:48 07:17 Neptune 0.525096801022886 0.52502675346076 0.52516684912843 2.53409501483746 2.49951531985027 2449879.533640880 437.181390479687 3710.6638164076 2399.03702258474 -28.25771123583 18441.6170882864 T 35 CATAB v2.0f-lin.ifort 2020-Feb-23 07:48:38 2020-Feb-23 07:48 2030-Oct-27 14:57 01:47 Uranus 0.570707589140928 0.570148441715026 0.57126673903536 2.22821305204361 2.1975423912104 2462802.123038091 107.289150520329 27947.0324893573 1315.00611800095 -0.312087262899295 3368.46640394014 T 35 CATAB v2.0f-lin.ifort 2020-Feb-23 07:48:38 2020-Feb-23 07:48 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Sep-28 13:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin