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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2043331549194124 4.1462e-08  
a 3.109358025272961 1.1146e-08 au
q 2.474013090194943 1.3126e-07 au
i 13.27287378339984 4.5763e-06 deg
node 5.887102350616439 1.5474e-05 deg
peri 354.0812941151908 1.7526e-05 deg
M 354.2146261118444 8.4944e-06 deg
tp 2459232.683513488939
(2021-Jan-18.18351349)
4.7314e-05 TDB
period 2002.647552259024
5.48
1.0769e-05
2.948e-08
d
yr
n .1797620353086659 9.6662e-10 deg/d
Q 3.744702960350979 1.3424e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3824  
   data-arc span      33591 days (91.97 yr)  
   first obs. used      1929-02-01  
   last obs. used      2021-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34216  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:56:30  

Additional Information
 Earth MOID = 1.46995 au 
 Jupiter MOID = 1.7111 au 
 T_jup = 3.146 
[ 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 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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