+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1576 Fabiola (1948 SA) Classification: Main-belt Asteroid          SPK-ID: 2001576 [ 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 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1671259553060346 2.9861e-08   a 3.142934833066688 1.078e-08 au q 2.617668846625805 9.5843e-08 au i .9541919663228418 4.1609e-06 deg node 166.6043833517934 0.00017345 deg peri 246.6214943514731 0.00017385 deg M 303.6777193237108 1.1215e-05 deg tp 2459318.904519091886 (2021-Apr-14.40451909) 6.3243e-05 TDB period 2035.173744683506 5.57 1.0471e-05 2.867e-08 d yr n .17688907442936 9.101e-10 deg/d Q 3.66820081950757 1.2582e-08 au   Orbit Determination Parameters    # obs. used (total)      3181      data-arc span      32545 days (89.10 yr)      first obs. used      1931-10-07      last obs. used      2020-11-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .47524      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:01:26   Additional Information  Earth MOID = 1.62907 au   Jupiter MOID = 1.6981 au   T_jup = 3.188  [ 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 11.1   n/a MPO502168 IRAS observations used: 3 diameter diameter 27.357 km 0.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 6.8890 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Lagerkvist, C.-I. (1978) Astron. Astrophys. Suppl. Ser. 31, 361-381.] [Benishek, V. (2018) Minor Planet Bull. 45, 82-91.] geometric albedo albedo 0.115   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   B-V BV 0.632   0.071 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=.85, mean=3.79, max.=6.74) deg. U-B UB 0.405   0.124 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=.85, mean=3.79, max.=6.74) deg. Tholen spectral type spec_T BU   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo 1576 Fabiola (1948 SA)          Discovered 1948-Sep-30 by Arend, S. at Uccle Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1948 SA = 1931 RV = 1931 TQ2 = 1933 BZ = 1939 CS = 1943 YA = 1948 TU1 = 1948 UJ = 1950 DZ  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-28 06:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin