+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   190843 (2001 SM114) Classification: Main-belt Asteroid          SPK-ID: 2190843 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2179137050452345 4.2861e-08   a 2.325973867903737 8.4966e-09 au q 1.819112284510439 9.872e-08 au i 4.995717663849701 5.3274e-06 deg node 209.163015655264 5.2119e-05 deg peri 227.1001301817295 5.3551e-05 deg M 104.1087774199575 1.0916e-05 deg tp 2458825.794110444145 (2019-Dec-08.29411044) 3.9416e-05 TDB period 1295.703624450102 3.55 7.0997e-06 1.944e-08 d yr n .2778413158740561 1.5224e-09 deg/d Q 2.832835451297035 1.0348e-08 au   Orbit Determination Parameters    # obs. used (total)      513      data-arc span      9248 days (25.32 yr)      first obs. used      1994-10-26      last obs. used      2020-02-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50692      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 06:57:42   Additional Information  Earth MOID = .837966 au   Jupiter MOID = 2.45292 au   T_jup = 3.537  [ 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 16.69   n/a E2021B55   190843 (2001 SM114)          Discovered 2001-Sep-20 by Yeung, W. K. Y. at Desert Eagle Reference: 20080917/Numbers.arc Last Updated: 2008-09-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-13 11:37 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin