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1572 Posnania (1949 SC)
Classification: Main-belt Asteroid          SPK-ID: 2001572
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2043331366895091 1.1005e-08  
a 3.109358026168768 1.0479e-08 au
q 2.474013147591003 3.4031e-08 au
i 13.27287533126467 8.3572e-07 deg
node 5.887098214341714 2.1473e-06 deg
peri 354.0812990967871 6.8032e-06 deg
M 354.2146254067962 4.3787e-06 deg
tp 2459232.683517424967
(2021-Jan-18.18351742)
2.4406e-05 TDB
period 2002.64755312447
5.48
1.0124e-05
2.772e-08
d
yr
n .1797620352309816 9.0875e-10 deg/d
Q 3.744702904746533 1.262e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3877  
   data-arc span      33607 days (92.01 yr)  
   first obs. used      1929-02-01  
   last obs. used      2021-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34038  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 12:49:19  

Additional Information
 Earth MOID = 1.46995 au 
 Jupiter MOID = 1.7111 au 
 T_jup = 3.146 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456769.5 (2014-Apr-22.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2081659817370378 1.1147e-08  
q 2.459833237910128 3.4852e-08 au
tp 2457234.442741307953
(2015-Jul-30.94274131)
2.2908e-05 TDB
node 6.10931668679545 2.1363e-06 deg
peri 354.455371644792 6.6683e-06 deg
i 13.29366641110476 8.3555e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3877  
   data-arc span      33607 days (92.01 yr)  
   first obs. used      1929-02-01  
   last obs. used      2021-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34038  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 12:49:19  

Additional Information
 Jupiter MOID = 1.7111 au 
 T_jup = 3.146 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.242502206032082E-16 -3.775818187064013E-16 1.010967007137059E-13 -1.277713076759563E-15 2.396254427416625E-14 -4.439304261024831E-15
q -3.775818187064013E-16 1.214637540027088E-15 -3.447922308593484E-13 3.921131168349623E-15 -8.247050415185006E-14 1.430284629782637E-14
tp 1.010967007137059E-13 -3.447922308593484E-13 5.247769865631221E-10 -1.307297087704401E-11 1.476963122815361E-10 -7.881691465594537E-12
node -1.277713076759563E-15 3.921131168349623E-15 -1.307297087704401E-11 4.563817747416859E-12 -6.970441323722768E-12 9.98474505324495E-13
peri 2.396254427416625E-14 -8.247050415185006E-14 1.476963122815361E-10 -6.970441323722768E-12 4.446689035084154E-11 -2.947197214885518E-12
i -4.439304261024831E-15 1.430284629782637E-14 -7.881691465594537E-12 9.98474505324495E-13 -2.947197214885518E-12 6.981489569337008E-13

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 10.27   n/a E2021B10  
diameter diameter 31.500 km 0.739 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 8.048 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Michalowski, T.; Pych, W.; Kwiatkowski, T.; Kryszczynska, A.; et al. (2001) Astron. Astrophys. 371, 748-752.]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Santana-Ros, T.; Dudzinski, G.; Bartczak, P. (2017) in Assessment and Mitigation of Asteroid Impact Hazards, Astrophys. and Space Science Proceedings 45, 55.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.521   0.291 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1572 Posnania (1949 SC)          Discovered 1949-Sep-22 by Dobrzycki, J. and Kwiek, A. at Posen
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1949 SC = 1929 CJ = 1933 WN = 1933 YB = 1938 QH = 1949 QE2 = 1949 TD = 1949 YK = 1951 AO1 = 1952 FN1 = A908 EC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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