+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   77441 Jouve (2001 HU) Classification: Main-belt Asteroid          SPK-ID: 2077441 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1558561369501261 3.0687e-08   a 2.624668568864245 1.2167e-08 au q 2.215597864946648 7.9884e-08 au i 13.30553795774272 4.4631e-06 deg node 82.69363523141728 1.5106e-05 deg peri 230.6284709159969 2.1625e-05 deg M 159.4788427025966 1.6726e-05 deg tp 2458512.464720974438 (2019-Jan-28.96472097) 7.1088e-05 TDB period 1553.138311337704 4.25 1.08e-05 2.957e-08 d yr n .2317887578794803 1.6118e-09 deg/d Q 3.033739272781843 1.4064e-08 au   Orbit Determination Parameters    # obs. used (total)      1147      data-arc span      8120 days (22.23 yr)      first obs. used      1998-12-11      last obs. used      2021-03-05      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50499      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 13:31:23   Additional Information  Earth MOID = 1.22384 au   Jupiter MOID = 2.24716 au   T_jup = 3.348  [ 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 14.7   n/a MPO439578   diameter diameter 3.427 km 0.269 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.137   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   77441 Jouve           Discovered 2001 Apr. 18 at St.-Véran Observatory. Jacques Jouve (b. 1929) was involved in the construction of the Paris Observatory's station near Saint-Véran. Until 1980 the station was dedicated to studies of the solar corona. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20040928/MPCPages.arc Last Updated: 2004-09-28 [ show close-approach data ] Alternate Designations  2001 HU = 2002 TS240  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-21 15:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin