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JPL Small-Body Database Browser
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2591 Dworetsky (1949 PS)
Classification: Main-belt Asteroid          SPK-ID: 2002591
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0423789088179468 3.2147e-08  
a 2.940910197459391 1.3822e-08 au
q 2.81627763235949 9.5975e-08 au
i 1.540150444553136 5.0753e-06 deg
node 356.1278238680887 0.00013744 deg
peri 271.426439199594 0.00015344 deg
M 356.4533549336555 6.9326e-05 deg
tp 2458618.648314604003
(2019-May-15.14831460)
0.00035475 TDB
period 1842.133378228041
5.04
1.2987e-05
3.556e-08
d
yr
n .1954255887520404 1.3777e-09 deg/d
Q 3.065542762559292 1.4408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2377  
   data-arc span      31027 days (84.95 yr)  
   first obs. used      1934-09-02  
   last obs. used      2019-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48479  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:25:44  

Additional Information
 Earth MOID = 1.80037 au 
 Jupiter MOID = 1.96365 au 
 T_jup = 3.271 
[ 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 11.5   n/a MPO452198  
diameter diameter 12.925 km 0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 12.77 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:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.291   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2591 Dworetsky (1949 PS)          Discovered 1949-Aug-02 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1949 PS = 1929 RH1 = 1934 RD = 1949 QU = 1952 DC1 = 1962 BD = 1962 EH = 1969 OC = 1973 GQ = 1975 TU4 = 1978 GX3 = 1979 OD14 = 1981 YL2 = 1982 BO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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