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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04146943791708485 2.9904e-08  
a 2.937295458034279 1.1554e-08 au
q 2.815487466393191 8.5856e-08 au
i 1.541083541735532 4.9704e-06 deg
node 356.0434631045777 0.00011996 deg
peri 270.2641934906331 0.00013769 deg
M 75.91845234434905 6.8443e-05 deg
tp 2458612.738467799599
(2019-May-09.23846780)
0.00034961 TDB
period 1838.738110189293
5.03
1.0849e-05
2.97e-08
d
yr
n .1957864461529755 1.1552e-09 deg/d
Q 3.059103449675366 1.2033e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2822  
   data-arc span      31485 days (86.20 yr)  
   first obs. used      1934-09-02  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45386  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:07:17  

Additional Information
 Earth MOID = 1.80011 au 
 Jupiter MOID = 1.96627 au 
 T_jup = 3.272 
[ 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. 2020-October); 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]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
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

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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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