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1211 Bressole (1931 XA)
Classification: Main-belt Asteroid          SPK-ID: 2001211
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .160663124010728 3.4473e-08  
a 2.929954825903712 1.1769e-08 au
q 2.459219130363713 1.0363e-07 au
i 12.76965436036877 3.5712e-06 deg
node 129.7287885829677 1.8407e-05 deg
peri 211.2650854324594 2.2317e-05 deg
M 344.702645215947 1.4472e-05 deg
tp 2459278.340147812655
(2021-Mar-04.84014781)
7.3827e-05 TDB
period 1831.849598060463
5.02
1.1037e-05
3.022e-08
d
yr
n .1965226841664092 1.184e-09 deg/d
Q 3.400690521443711 1.3659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2865  
   data-arc span      32518 days (89.03 yr)  
   first obs. used      1931-12-02  
   last obs. used      2020-12-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39797  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:09:04  

Additional Information
 Earth MOID = 1.457 au 
 Jupiter MOID = 1.99538 au 
 T_jup = 3.221 
[ 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 11.06   n/a E2021B10  
diameter diameter 45.809 km 0.724 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 31.812 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Stephens, R.D.; Warner, B.D. (2011) Minor Planet Bull. 38, 24-25.]
geometric albedo albedo 0.047   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

1211 Bressole (1931 XA)          Discovered 1931-Dec-02 by Boyer, L. at Algiers
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1931 XA = 1930 ON = A920 QA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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