+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   11830 Jessenius (1984 JE) Classification: Main-belt Asteroid          SPK-ID: 2011830 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 41 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1774310529658915 1.542e-08   a 2.264447365761059 5.885e-09 au q 1.862664085268235 3.5277e-08 au i 8.740945836106505 4.3436e-07 deg node 22.80796561636886 4.6786e-06 deg peri 113.5877716456578 6.7656e-06 deg M 21.02352114378646 7.0131e-06 deg tp 2459323.815011199572 (2021-Apr-19.31501120) 2.4124e-05 TDB period 1244.634321205873 3.41 4.852e-06 1.328e-08 d yr n .289241581938068 1.1276e-09 deg/d Q 2.666230646253883 6.9292e-09 au   Orbit Determination Parameters    # obs. used (total)      2179      data-arc span      15182 days (41.57 yr)      first obs. used      1979-11-14      last obs. used      2021-06-08      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .42431      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 02:48:23   Additional Information  Earth MOID = .895906 au   Jupiter MOID = 2.38736 au   T_jup = 3.581  [ 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 13.90   n/a MPO614063   diameter diameter 3.457 km 0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   rotation period rot_per 46.8 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Rowe, B. (2019) Minor Planet Bull. 46, 92-94.] geometric albedo albedo 0.489   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   11830 Jessenius           Discovered 1984 May 2 by A. Mrkos at Klet. Ján Jesenský (Jessenius, 1566-1621) was a physician, head of Prague university beginning in 1618 and Tycho Brahe's friend in Prague. He was executed at the beginning of the Thirty Years' War. The name was suggested by J. Ticha and M. Tichy. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20000523/MPCPages.arc Last Updated: 2013-03-29 Alternate Designations  1984 JE = 1979 VV1 = 1989 VB5 = 1996 TR13  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jul-28 15:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin