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JPL Small-Body Database Browser
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576 Emanuela (A905 SK)
Classification: Main-belt Asteroid          SPK-ID: 2000576
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 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1918930799942175 3.5908e-08  
a 2.989593230345136 9.9601e-09 au
q 2.415910977444346 1.0668e-07 au
i 10.20397355557936 3.9677e-06 deg
node 299.608803633523 2.0283e-05 deg
peri 27.08078447644506 2.2384e-05 deg
M 94.76370829181307 1.084e-05 deg
tp 2458503.500301325765
(2019-Jan-20.00030133)
5.5422e-05 TDB
period 1888.063423729292
5.17
9.4353e-06
2.583e-08
d
yr
n .1906715608572778 9.5286e-10 deg/d
Q 3.563275483245925 1.1871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3039  
   data-arc span      35032 days (95.91 yr)  
   first obs. used      1924-03-08  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40778  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:31:12  

Additional Information
 Earth MOID = 1.40873 au 
 Jupiter MOID = 1.78986 au 
 T_jup = 3.205 
[ 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 9.3   n/a MPO416709  
diameter diameter 74.378 km 0.319 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 20.404 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pilcher, F. (2017) Minor Planet Bull. 44, 249-251.]
[Pilcher, F. (2018) Minor Planet Bull. 45, 18-19.]
geometric albedo albedo 0.055   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

576 Emanuela (A905 SK)          Discovered 1905-Sep-22 by Gotz, P. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A905 SK = 1972 JG = A923 BA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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