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915 Cosette (A918 XB)
Classification: Main-belt Asteroid          SPK-ID: 2000915
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1390045762939741 1.3325e-08  
a 2.227662238943393 4.8485e-09 au
q 1.918006993292981 2.9714e-08 au
i 5.546675345034341 7.789e-07 deg
node 9.267782644915451 3.1931e-06 deg
peri 39.47858209292426 7.5108e-06 deg
M 332.1740938568343 6.9261e-06 deg
tp 2459490.368365741709
(2021-Oct-02.86836574)
2.3509e-05 TDB
period 1214.429873124364
3.32
3.9648e-06
1.086e-08
d
yr
n .2964353957086281 9.6779e-10 deg/d
Q 2.537317484593805 5.5225e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2976  
   data-arc span      37450 days (102.53 yr)  
   first obs. used      1918-12-14  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43545  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 13:18:16  

Additional Information
 Earth MOID = .930649 au 
 Jupiter MOID = 2.82922 au 
 T_jup = 3.626 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.65   n/a E2021B10  
diameter diameter 11.699 km 0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.445 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Di Martino, M.; Dotto, E.; Barucci, M.A.; Fulchignoni, M.; Rotundi, A. (1994) Icarus 109, 210-218.]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Kaasalainen, M.; Warner, B.D.; Fauerbach, M.; et al. (2009) Astron. Astrophys. 493, 291-297.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Kryszczynska, A.; Colas, F.; Polinska, M.; Hirsch, R.; et al. (2012) Astron. Astrophys. 546, A72.]
geometric albedo albedo 0.255   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

915 Cosette (A918 XB)          Discovered 1918-Dec-14 by Gonnessiat, F. at Algiers
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A918 XB = 1933 FB2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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