+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1041 Asta (1925 FA) Classification: Main-belt Asteroid          SPK-ID: 2001041 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 39 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .144463616482737 4.2954e-08   a 3.072713886987887 1.2739e-08 au q 2.628818526456888 1.3534e-07 au i 13.93461621519675 4.7185e-06 deg node 60.00410768169779 1.5167e-05 deg peri 344.1348931949012 1.9597e-05 deg M 26.48207154396535 1.2149e-05 deg tp 2458855.779163069117 (2020-Jan-07.27916307) 6.6332e-05 TDB period 1967.349918552349 5.39 1.2235e-05 3.35e-08 d yr n .1829872747116088 1.138e-09 deg/d Q 3.516609247518885 1.458e-08 au   Orbit Determination Parameters    # obs. used (total)      2808      data-arc span      41645 days (114.02 yr)      first obs. used      1906-11-09      last obs. used      2020-11-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .3992      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:57:54   Additional Information  Earth MOID = 1.64157 au   Jupiter MOID = 1.87955 au   T_jup = 3.169  [ 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 10.1   n/a MPO265961   diameter diameter 60.571 km 0.199 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 7.554 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] geometric albedo albedo 0.047   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   SMASSII spectral type spec_B C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 1041 Asta (1925 FA)          Discovered 1925-Mar-22 by Reinmuth, K. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1925 FA = 1938 SJ1 = 1949 UQ = 1949 UX = 1951 CQ1 = 1956 AT = A906 VA = A917 YB  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-17 10:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin