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JPL Small-Body Database Browser
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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2049427925339539 4.7849e-08  
a 3.111778358494794 1.355e-08 au
q 2.474041811958147 1.4826e-07 au
i 13.26767139231739 5.0511e-06 deg
node 5.91215496485976 1.6274e-05 deg
peri 353.9982463503536 1.8498e-05 deg
M 318.3560219109717 1.0589e-05 deg
tp 2459232.432238454762
(2021-Jan-17.93223845)
5.9844e-05 TDB
period 2004.986307148993
5.49
1.3096e-05
3.585e-08
d
yr
n .1795523484207256 1.1728e-09 deg/d
Q 3.74951490503144 1.6328e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3318  
   data-arc span      33324 days (91.24 yr)  
   first obs. used      1929-02-01  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36098  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:26:41  

Additional Information
 Earth MOID = 1.47159 au 
 Jupiter MOID = 1.70531 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 10.1   n/a MPO435711  
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. 2019-August); 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.]
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

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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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