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693 Zerbinetta (A909 SD)
Classification: Main-belt Asteroid          SPK-ID: 2000693
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03111357020688595 2.0257e-08  
a 2.94221875505114 1.0544e-08 au
q 2.85067582525184 5.6445e-08 au
i 14.19207487255421 8.1801e-07 deg
node 351.7161074548869 1.7153e-06 deg
peri 284.3779550514765 3.0896e-05 deg
M 97.56815309592162 2.976e-05 deg
tp 2458700.906879328249
(2019-Aug-05.40687933)
0.0001523 TDB
period 1843.363000476312
5.05
9.9093e-06
2.713e-08
d
yr
n .1952952293753203 1.0498e-09 deg/d
Q 3.03376168485044 1.0872e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3206  
   data-arc span      40697 days (111.42 yr)  
   first obs. used      1909-09-21  
   last obs. used      2021-02-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .393  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:45:38  

Additional Information
 Earth MOID = 1.86965 au 
 Jupiter MOID = 2.04053 au 
 T_jup = 3.226 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.57   n/a E2021B10  
diameter diameter 82.114 km 0.474 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 11.475 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Chiorny, V.G.; Shevchenko, V.G.; Krugly, Yu.N.; Velichko, F.P.; Gaftonyuk, N.M. (2007) Planet. Space Sci. 55, 986-997.]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.055   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.776   0.042 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=11.20 deg.
U-B UB 0.411   0.073 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=11.20 deg.
Tholen spectral type spec_T ST   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

693 Zerbinetta (A909 SD)          Discovered 1909-Sep-21 by Kopff, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A909 SD = 1949 QB = 1949 SW1 = 1952 DR3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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