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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 57 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .191908600055093 1.9315e-08  
a 2.990088677830394 9.4335e-09 au
q 2.416264945627379 5.4487e-08 au
i 10.20385308415024 5.8726e-07 deg
node 299.6089132228766 1.4156e-06 deg
peri 27.13879945730556 4.1811e-06 deg
M 132.8194022554381 7.3357e-06 deg
tp 2458503.739454908455
(2019-Jan-20.23945491)
3.5976e-05 TDB
period 1888.532789438045
5.17
8.9372e-06
2.447e-08
d
yr
n .1906241723804659 9.021e-10 deg/d
Q 3.563912410033409 1.1244e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3592  
   data-arc span      35435 days (97.02 yr)  
   first obs. used      1924-03-08  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39144  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:06:45  

Additional Information
 Earth MOID = 1.40717 au 
 Jupiter MOID = 1.78951 au 
 T_jup = 3.205 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456505.5 (2013-Aug-01.0) TDB
Reference: JPL 57 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1960788266313047 1.9529e-08  
q 2.400568467775955 5.5388e-08 au
tp 2456614.212422098956
(2013-Nov-17.71242210)
2.9923e-05 TDB
node 299.9483828388493 1.4177e-06 deg
peri 26.28964900438811 4.1278e-06 deg
i 10.22826836430655 5.8775e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3592  
   data-arc span      35435 days (97.02 yr)  
   first obs. used      1924-03-08  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39144  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:06:45  

Additional Information
 Jupiter MOID = 1.78951 au 
 T_jup = 3.205 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.813737759893198E-16 -1.07398789296361E-15 4.521586337439552E-13 8.707672138085635E-16 4.880534901578995E-14 -7.054989005311797E-18
q -1.07398789296361E-15 3.067823160675898E-15 -1.224052719622396E-12 -2.297207919547424E-15 -1.276391458519828E-13 4.023741575817614E-17
tp 4.521586337439552E-13 -1.224052719622396E-12 8.954024438044028E-10 3.512707595246222E-12 1.141057298669186E-10 -4.322331943914084E-13
node 8.707672138085635E-16 -2.297207919547424E-15 3.512707595246222E-12 2.009801837047464E-12 -1.300061416336481E-12 -2.450810898801604E-13
peri 4.880534901578995E-14 -1.276391458519828E-13 1.141057298669186E-10 -1.300061416336481E-12 1.703832129797377E-11 1.254126324047189E-13
i -7.054989005311797E-18 4.023741575817614E-17 -4.322331943914084E-13 -2.450810898801604E-13 1.254126324047189E-13 3.454503126668446E-13

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 9.41   n/a E2021B10  
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 20.372 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2017) Minor Planet Bull. 44, 249-251.]
[Pilcher, F. (2018) Minor Planet Bull. 45, 18-19.]
[Pilcher, F. (2020) Minor Planet Bull. 47, 133-135.]
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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