+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   150794 (2001 RY43) Classification: Main-belt Asteroid          SPK-ID: 2150794 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .181472343161409 6.6559e-08   a 2.624914901366663 1.417e-08 au q 2.148565443616356 1.7367e-07 au i 12.25631354276097 8.3686e-06 deg node 342.0432168621432 2.2489e-05 deg peri 63.25944183036638 3.4041e-05 deg M 157.9979651721457 2.1763e-05 deg tp 2458518.757667164064 (2019-Feb-04.25766716) 9.3106e-05 TDB period 1553.356966044044 4.25 1.2578e-05 3.444e-08 d yr n .2317561306702201 1.8766e-09 deg/d Q 3.10126435911697 1.6742e-08 au   Orbit Determination Parameters    # obs. used (total)      373      data-arc span      6788 days (18.58 yr)      first obs. used      2001-08-27      last obs. used      2020-03-28      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .56858      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 19:20:03   Additional Information  Earth MOID = 1.1861 au   Jupiter MOID = 2.46597 au   T_jup = 3.347  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.28   n/a E2021B55   150794 (2001 RY43)          Discovered 2001-Sep-09 by NEAT at Palomar Reference: 20070303/Numbers.arc Last Updated: 2007-03-07 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-14 21:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin