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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1397894161641242 3.4488e-08  
a 2.227964904474556 5.6843e-09 au
q 1.916518991243899 7.7163e-08 au
i 5.544993130003676 4.7331e-06 deg
node 9.321922057884704 3.386e-05 deg
peri 39.36547130779253 3.7755e-05 deg
M 214.946060400669 1.704e-05 deg
tp 2459489.927054745590
(2021-Oct-02.42705475)
5.8332e-05 TDB
period 1214.677382738422
3.33
4.6486e-06
1.273e-08
d
yr
n .2963749923361544 1.1342e-09 deg/d
Q 2.539410817705213 6.4789e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2663  
   data-arc span      36938 days (101.13 yr)  
   first obs. used      1918-12-14  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45324  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:40:17  

Additional Information
 Earth MOID = .92968 au 
 Jupiter MOID = 2.82726 au 
 T_jup = 3.625 
[ 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 11.6   n/a MPO384754  
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. 2019-August); 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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