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1258 Sicilia (1932 PG)
Classification: Main-belt Asteroid          SPK-ID: 2001258
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04363591300038393 3.4415e-08  
a 3.186189569851219 1.413e-08 au
q 3.04715727897846 1.0986e-07 au
i 7.702561756850681 4.1099e-06 deg
node 299.5928029674674 2.7115e-05 deg
peri 77.34425111988395 5.648e-05 deg
M 118.611071274186 4.8477e-05 deg
tp 2458316.070733474653
(2018-Jul-16.57073347)
0.00027953 TDB
period 2077.331679936939
5.69
1.3819e-05
3.783e-08
d
yr
n .1732992393448351 1.1528e-09 deg/d
Q 3.325221860723977 1.4747e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2714  
   data-arc span      32040 days (87.72 yr)  
   first obs. used      1932-08-08  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4142  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:21:43  

Additional Information
 Earth MOID = 2.05946 au 
 Jupiter MOID = 1.95489 au 
 T_jup = 3.183 
[ 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 10.8   n/a MPO502165  
diameter diameter 45.669 km 0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 13.500 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pligge, Z.; Monnier, A.; Pharo, J.; Stolze, K.; Yim, A.; Ditteon, R. (2011) Minor Planet Bull. 38, 5-7.]
geometric albedo albedo 0.050   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1258 Sicilia (1932 PG)          Discovered 1932-Aug-08 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1932 PG = 1935 BG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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