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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 ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03130341419667441 3.4924e-08  
a 2.94284384927671 1.4068e-08 au
q 2.850722789346666 1.0386e-07 au
i 14.19068275890652 4.777e-06 deg
node 351.7160123111399 1.625e-05 deg
peri 284.6915391506521 8.9697e-05 deg
M 58.1838520501341 9.0379e-05 deg
tp 2458702.477382913921
(2019-Aug-06.97738291)
0.00046247 TDB
period 1843.950484037108
5.05
1.3222e-05
3.62e-08
d
yr
n .1952330082160467 1.4e-09 deg/d
Q 3.034964909206755 1.4509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2453  
   data-arc span      40215 days (110.10 yr)  
   first obs. used      1909-09-21  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42935  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 17:37:14  

Additional Information
 Earth MOID = 1.87145 au 
 Jupiter MOID = 2.04148 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 9.5   n/a MPO435701  
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. 2019-August); 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]
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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