+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   180880 (2005 JN101) Classification: Main-belt Asteroid          SPK-ID: 2180880 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09723627972699476 4.2157e-08   a 2.269755393598524 1.3111e-08 au q 2.049052823234723 1.0314e-07 au i 1.463581835206757 4.8563e-06 deg node 203.0997850577312 0.00015135 deg peri 273.076929627213 0.00015487 deg M 308.3897778036027 2.9088e-05 deg tp 2459379.560684400502 (2021-Jun-14.06068440) 0.00010062 TDB period 1249.013153612823 3.42 1.0822e-05 2.963e-08 d yr n .2882275490523738 2.4974e-09 deg/d Q 2.490457963962326 1.4386e-08 au   Orbit Determination Parameters    # obs. used (total)      341      data-arc span      7292 days (19.96 yr)      first obs. used      2001-01-21      last obs. used      2021-01-08      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .54683      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:28:20   Additional Information  Earth MOID = 1.06587 au   Jupiter MOID = 2.57099 au   T_jup = 3.607  [ 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 17.3   n/a MPO436894   180880 (2005 JN101)          Discovered 2005-May-09 by Mt. Lemmon Survey at Mount Lemmon Reference: 20080321/Numbers.arc Last Updated: 2008-03-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-16 17:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin