+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   11976 Josephthurn (1995 JG) Classification: Inner Main-belt Asteroid          SPK-ID: 2011976 [ 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 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05261595497002099 5.0407e-08   a 1.979370893059516 6.8471e-09 au q 1.875224403281326 9.6962e-08 au i 21.68372321623741 5.328e-06 deg node 35.25433073296978 1.1633e-05 deg peri 49.54771141535641 5.9904e-05 deg M 191.5546215486608 5.8255e-05 deg tp 2459676.432974526717 (2022-Apr-06.93297453) 0.00016527 TDB period 1017.159820025064 2.78 5.2779e-06 1.445e-08 d yr n .3539266818375987 1.8365e-09 deg/d Q 2.083517382837706 7.2074e-09 au   Orbit Determination Parameters    # obs. used (total)      2522      data-arc span      9202 days (25.19 yr)      first obs. used      1995-05-05      last obs. used      2020-07-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .34836      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 02:56:03   Additional Information  Earth MOID = .909772 au   Jupiter MOID = 3.03292 au   T_jup = 3.773  [ 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 14.52   n/a E2021B10   diameter diameter 8.396 km 0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   rotation period rot_per 3.535 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Warner, B.D. (2009) Minor Planet Bull. 36, 172-176.] [Warner, B.D. (2011) Minor Planet Bull. 38, 82-86.] [Warner, B.D. (2014) Minor Planet Bull. 41, 102-112.] [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] geometric albedo albedo 0.048   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   11976 Josephthurn           Discovered 1995 May 5 at Farra d´Isonzo. Count Joseph Thurn (1761-1831), an admiral in the Borbonic fleet, was in command of the Austrian emperor's troops. He spent part of his life in Gorizia, where in 1831 was founded the Monte di Pietá and Cassa di Risparmio. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20040713/MPCPages.arc Last Updated: 2004-07-14 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-08 14:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin