+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   437489 (2013 YJ58) Classification: Main-belt Asteroid          SPK-ID: 2437489 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05423597244464193 1.646e-07   a 2.994019710140039 8.422e-08 au q 2.831636139642169 5.3632e-07 au i 7.402299353235684 6.9267e-06 deg node 272.3292029554612 0.00011697 deg peri 92.28307440073569 0.00013344 deg M 183.0235581442028 6.7131e-05 deg tp 2459930.736482638068 (2022-Dec-17.23648264) 0.00035798 TDB period 1892.25825899796 5.18 7.9842e-05 2.186e-07 d yr n .190248872366205 8.0274e-09 deg/d Q 3.156403280637909 8.8788e-08 au   Orbit Determination Parameters    # obs. used (total)      94      data-arc span      4574 days (12.52 yr)      first obs. used      2007-09-25      last obs. used      2020-04-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59836      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 09:37:37   Additional Information  Earth MOID = 1.84193 au   Jupiter MOID = 2.15383 au   T_jup = 3.240  [ 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 16.1   n/a MPO437697   437489 (2013 YJ58)          Discovered 2008-Oct-31 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2015-06-04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-21 09:51 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin