+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   58579 Ehrenberg (1997 SQ2) Classification: Main-belt Asteroid          SPK-ID: 2058579 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1864937024132921 2.9577e-08   a 2.211897271356372 7.7401e-09 au q 1.799392359863264 6.2988e-08 au i 2.181013552179325 5.1485e-06 deg node 18.54963100291379 7.3295e-05 deg peri 281.6864698185207 7.4917e-05 deg M 10.66515835790278 1.423e-05 deg tp 2458964.903224163416 (2020-Apr-25.40322416) 4.7469e-05 TDB period 1201.561089964943 3.29 6.3069e-06 1.727e-08 d yr n .2996102345578645 1.5726e-09 deg/d Q 2.624402182849481 9.1836e-09 au   Orbit Determination Parameters    # obs. used (total)      664      data-arc span      10070 days (27.57 yr)      first obs. used      1993-04-16      last obs. used      2020-11-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5147      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 03:57:10   Additional Information  Earth MOID = .785415 au   Jupiter MOID = 2.59223 au   T_jup = 3.633  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.8   n/a MPO351248   58579 Ehrenberg           Discovered 1997 Sept. 24 by L. Šarounová at Ondřejov. Eleonora Gayerová of Ehrenberg (1832-1912) was the first representative of the role of Mařenka in Smetana's opera The Bartered Bride. She lived in Vila Leonora in Ondřejov and was also instrumental in establishing of the Ondřejov Observatory. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20050523/MPCPages.arc Last Updated: 2005-07-21 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 13:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin