+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   58345 Moomintroll (1995 CZ1) Classification: Inner Main-belt Asteroid          SPK-ID: 2058345 [ 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 .04274061634231078 4.7186e-08   a 1.929504400304235 6.2694e-09 au q 1.847036193000032 8.9347e-08 au i 17.57085145846648 3.7187e-06 deg node 280.2631762084858 1.4624e-05 deg peri 351.7875645689775 9.062e-05 deg M 137.9649821183984 9.5164e-05 deg tp 2458825.325376750205 (2019-Dec-07.82537675) 0.00025836 TDB period 978.9648235087542 2.68 4.7713e-06 1.306e-08 d yr n .3677353785907311 1.7923e-09 deg/d Q 2.011972607608439 6.5373e-09 au   Orbit Determination Parameters    # obs. used (total)      989      data-arc span      9477 days (25.95 yr)      first obs. used      1995-02-07      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52151      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 05:43:07   Additional Information  Earth MOID = .829288 au   Jupiter MOID = 3.09897 au   T_jup = 3.857  [ 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 16.36   n/a E2021B10   58345 Moomintroll           Discovered 1995 Feb. 7 by D. J. Asher at Siding Spring. Moomintroll is the central character of the classic 1946 novel Comet in Moominland (Swedish title Kometjakten) by Finnish author Tove Jansson. Moomintroll and his friends discover that a comet is on a collision orbit with the Earth and the story details their adventures to avoid the threatened catastrophe. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20110517/MPCPages.arc Last Updated: 2011-06-24 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-09 05:28 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin