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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1671471356375165 1.2366e-08  
a 3.142477277899164 1.0073e-08 au
q 2.617221202092339 4.1411e-08 au
i .9542702641171493 3.3617e-07 deg
node 166.6055142788217 4.8309e-05 deg
peri 246.6957050310299 4.791e-05 deg
M 339.0014332017541 5.4804e-06 deg
tp 2459319.184443957578
(2021-Apr-14.68444396)		 3.0889e-05 TDB
period 2034.729333446566
5.57		 9.7828e-06
2.678e-08		 d
yr
n .1769277092939958 8.5066e-10 deg/d
Q 3.667733353705989 1.1756e-08 au
   Orbit Determination Parameters
   # obs. used (total)      3434  
   data-arc span      32658 days (89.41 yr)  
   first obs. used      1931-10-07  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46398  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:38:31  

Additional Information
 Earth MOID = 1.62784 au 
 Jupiter MOID = 1.69906 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 11.16   n/a E2021B10 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.DBLast 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 ]
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