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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 ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1917050132126129 4.1355e-08  
a 2.988401344832029 1.1598e-08 au
q 2.415509825536414 1.2547e-07 au
i 10.20368659947072 4.4766e-06 deg
node 299.6144606690574 2.066e-05 deg
peri 26.97915757784025 2.2848e-05 deg
M 18.57538287787282 1.1843e-05 deg
tp 2458503.137417438715
(2019-Jan-19.63741744)
6.1699e-05 TDB
period 1886.934441809811
5.17
1.0985e-05
3.008e-08
d
yr
n .1907856425868798 1.1107e-09 deg/d
Q 3.561292864127644 1.3821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2633  
   data-arc span      34861 days (95.44 yr)  
   first obs. used      1924-03-08  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43699  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:09:59  

Additional Information
 Earth MOID = 1.40739 au 
 Jupiter MOID = 1.78836 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-January); 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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