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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1671259572480149 3.1327e-08  
a 3.142934835295711 1.3131e-08 au
q 2.617668842378783 9.87e-08 au
i .9541933850870518 4.2486e-06 deg
node 166.6040803442915 0.00020818 deg
peri 246.6217986435047 0.00020855 deg
M 303.6777171250132 1.3237e-05 deg
tp 2459318.904531860423
(2021-Apr-14.40453186)		 7.531e-05 TDB
period 2035.173746848577
5.57		 1.2754e-05
3.492e-08		 d
yr
n .1768890742411808 1.1086e-09 deg/d
Q 3.668200828212638 1.5326e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2759  
   data-arc span      32174 days (88.09 yr)  
   first obs. used      1931-10-07  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50468  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:59:01  

Additional Information
 Earth MOID = 1.62907 au 
 Jupiter MOID = 1.6981 au 
 T_jup = 3.188 
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[ 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. 2019-August); 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.DBLast Updated: 2003-08-29

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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 ]
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