+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   134568 (1999 RH215) Classification: TransNeptunian Object          SPK-ID: 2134568 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 5 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1546651715770854 0.00063148   a 43.8775825911374 0.040736 au q 37.0912487512914 0.0067504 au i 10.20857369919544 0.00011588 deg node 276.5889015502938 0.0017612 deg peri 58.11537217325376 0.051254 deg M 30.46783263322095 0.07908 deg tp 2450215.842506486002 (1996-May-12.34250649) 10.972 TDB period 106160.3802476679 290.65 147.84 0.4048 d yr n .00339109561552186 4.7224e-06 deg/d Q 50.66391643098341 0.047036 au   Orbit Determination Parameters    # obs. used (total)      26      data-arc span      7714 days (21.12 yr)      first obs. used      1999-09-07      last obs. used      2020-10-20      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      4      norm. resid. RMS      .18756      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 18:08:56   Additional Information  Earth MOID = 36.0913 au   Jupiter MOID = 32.16 au   T_jup = 5.766  [ 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 8.1   n/a MPO157307   134568 (1999 RH215)          Discovered 1999-Sep-07 by Trujillo, C. A., Jewitt, D. C., Luu, J. X. at Mauna Kea Reference: 20060907/Numbers.arc Last Updated: 2006-09-10 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2021-Apr-16 23:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin