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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0414694606717355 3.2469e-08  
a 2.937295458880846 1.3598e-08 au
q 2.81548740036752 9.6456e-08 au
i 1.541081921832403 5.0769e-06 deg
node 356.0434776463259 0.00013737 deg
peri 270.2641779447104 0.00015385 deg
M 75.918448857603 7.0433e-05 deg
tp 2458612.738485440887
(2019-May-09.23848544)
0.00035964 TDB
period 1838.738110984216
5.03
1.2769e-05
3.496e-08
d
yr
n .1957864460683331 1.3596e-09 deg/d
Q 3.059103517394173 1.4162e-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 = 1.80011 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. 2019-August); 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1905-Apr-15 17:09 00:02 Jupiter 1.97284296403898 1.97284252644103 1.97284340163693 3.32612410631555 3.19443569724525 2416951.214323875 2.17924147395553 76.4086323972226 15.4272821340964 85.5566275908622 3298036.50740588 T 27 CATAB v2.0f-lin.ifort 2019-Sep-23 19:25:54 2019-Sep-23 19:25
1940-Apr-22 07:48 00:01 Jupiter 1.97479686536591 1.97479641660508 1.97479731412673 3.43613353992893 3.3089546920114 2429741.825254596 1.45841414533661 71.7959650524278 16.2285103225529 -88.3835334966068 3067852.24342728 T 27 CATAB v2.0f-lin.ifort 2019-Sep-23 19:25:54 2019-Sep-23 19:25
2071-Nov-07 06:10 00:01 Jupiter 1.98845511624571 1.98845473352883 1.98845549896258 3.30995473666869 3.1786569596561 2477787.757121815 1.24276046274011 43.8216620155439 13.8479678901009 -89.8474544511113 3630665.72565108 T 27 CATAB v2.0f-lin.ifort 2019-Sep-23 19:25:54 2019-Sep-23 19:25
2106-Nov-14 19:04 00:02 Jupiter 1.97509025763768 1.97508982261198 1.97509069266338 3.35524626813939 3.2248988196904 2490578.294154143 1.95632105410672 74.8677341590765 15.1246857669183 -88.0182926027416 3178649.15376995 T 27 CATAB v2.0f-lin.ifort 2019-Sep-23 19:25:54 2019-Sep-23 19:25
2141-Nov-24 03:20 00:03 Jupiter 1.98748463375474 1.98748408123268 1.98748518627781 3.50751969527988 3.38383482477914 2503371.638746650 2.66247705654639 126.661823134698 16.5468550559015 -84.6751904420814 3032622.84168107 T 27 CATAB v2.0f-lin.ifort 2019-Sep-23 19:25:54 2019-Sep-23 19:25

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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