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JPL Small-Body Database Browser
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427 Galene (A897 RB)
Classification: Main-belt Asteroid          SPK-ID: 2000427
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1210492127649505 3.7161e-08  
a 2.971398447963298 1.2587e-08 au
q 2.611713005026345 1.1407e-07 au
i 5.125128010695155 3.9389e-06 deg
node 297.4012951467608 4.5476e-05 deg
peri 11.86413573707224 4.8543e-05 deg
M 283.1031764065365 1.8189e-05 deg
tp 2459000.118573296875
(2020-May-30.61857330)		 9.5054e-05 TDB
period 1870.85343274314
5.12		 1.1887e-05
3.254e-08		 d
yr
n .1924255495911028 1.2227e-09 deg/d
Q 3.331083890900251 1.411e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2832  
   data-arc span      41875 days (114.65 yr)  
   first obs. used      1905-01-26  
   last obs. used      2019-09-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46895  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:53:20  

Additional Information
 Earth MOID = 1.5965 au 
 Jupiter MOID = 1.90874 au 
 T_jup = 3.245 
[ 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 MPO435698  
diameter diameter 32.193 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.705 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Caspari, P. (2009) Minor Planet Bull. 36, 168.]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.205   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

427 Galene (A897 RB)          Discovered 1897-Aug-27 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A897 RB = 1971 BD4 = 1992 AQ3 = A905 BC 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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