+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   145452 (2005 RN43) Classification: TransNeptunian Object          SPK-ID: 2145452 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .02762744887268853 1.4111e-05   a 41.75639065548207 0.00094555 au q 40.60276810753973 0.00034174 au i 19.25952757278906 6.2132e-05 deg node 186.9942962487036 0.00011579 deg peri 164.8796923505998 0.025 deg M 353.8947352529911 0.023791 deg tp 2460671.917155357549 (2024-Dec-27.41715536) 6.46 TDB period 98555.95143904394 269.83 3.3476 0.009165 d yr n .003652747446942938 1.2407e-07 deg/d Q 42.91001320342441 0.00097168 au   Orbit Determination Parameters    # obs. used (total)      487      data-arc span      23834 days (65.25 yr)      first obs. used      1954-06-02      last obs. used      2019-09-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      2      norm. resid. RMS      .29177      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 08:30:20   Additional Information  Earth MOID = 39.6015 au   Jupiter MOID = 35.6617 au   T_jup = 5.471  [ 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 3.7   n/a MPO385646   rotation period rot_per 6.95 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.] 145452 (2005 RN43)          Discovered 2005-Sep-10 by Becker, A. C., Puckett, A. W., Kubica, J. at Apache Point Reference: 20061205/Numbers.arc Last Updated: 2006-12-13 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2020-Aug-06 11:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin