+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   180998 (2005 NF36) Classification: Main-belt Asteroid          SPK-ID: 2180998 [ 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 .1861796376310705 5.0415e-08   a 3.121733226579127 3.4134e-08 au q 2.540530065673753 1.5266e-07 au i 20.61754889427652 6.2933e-06 deg node 137.2597836546998 1.6338e-05 deg peri 246.7559451187527 2.3591e-05 deg M 230.6003443745055 1.9381e-05 deg tp 2459924.640315618082 (2022-Dec-11.14031562) 0.00011504 TDB period 2014.615204054283 5.52 3.3042e-05 9.046e-08 d yr n .1786941740911729 2.9308e-09 deg/d Q 3.702936387484501 4.0489e-08 au   Orbit Determination Parameters    # obs. used (total)      219      data-arc span      7180 days (19.66 yr)      first obs. used      2000-09-20      last obs. used      2020-05-18      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .6011      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:28:48   Additional Information  Earth MOID = 1.61466 au   Jupiter MOID = 2.00112 au   T_jup = 3.091  [ 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 15.64   n/a E2021B55   180998 (2005 NF36)          Discovered 2005-Jul-05 by NEAT at Palomar Reference: 20080321/Numbers.arc Last Updated: 2008-03-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-16 21:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin