+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1005 Arago (A923 RS) Classification: Main-belt Asteroid          SPK-ID: 2001005 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 44 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1184718563321297 3.9e-08   a 3.166522242248106 1.5407e-08 au q 2.791378474091995 1.2509e-07 au i 19.05816832059801 4.9335e-06 deg node 349.1503163800325 1.2285e-05 deg peri 60.65376242681135 2.3132e-05 deg M 21.41342740885334 1.8719e-05 deg tp 2458878.078999062547 (2020-Jan-29.57899906) 0.000107 TDB period 2058.127337394944 5.63 1.5021e-05 4.113e-08 d yr n .1749162908722969 1.2766e-09 deg/d Q 3.541666010404216 1.7232e-08 au   Orbit Determination Parameters    # obs. used (total)      2478      data-arc span      35384 days (96.88 yr)      first obs. used      1923-12-29      last obs. used      2020-11-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4097      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:57:40   Additional Information  Earth MOID = 1.8494 au   Jupiter MOID = 1.98528 au   T_jup = 3.108  [ 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 10.0   n/a MPO502162   diameter diameter 61.132 km 0.345 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 8.7893 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Collaborative Asteroid Lightcurve Link (CALL) (2002) http://www.minorplanetobserver.com/DATA/submissions_results.htm] [Mansego, E.A.; Rodriguez, P.B.; de Haro, J.L.; Chiner, O.R.; et al. (2016) Minor Planet Bull. 43, 332-336.] [Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] geometric albedo albedo 0.070   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   1005 Arago (A923 RS)          Discovered 1923-Sep-05 by Belyavskij, S. at Simeis Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-21 06:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin