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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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1210492115050411 3.722e-08  
a 2.971398449229386 1.2604e-08 au
q 2.611713009882867 1.1424e-07 au
i 5.125127708380133 3.9437e-06 deg
node 297.4012964587391 4.5509e-05 deg
peri 11.86413505478984 4.8577e-05 deg
M 283.1031755148226 1.8209e-05 deg
tp 2459000.118578186358
(2020-May-30.61857819)
9.5161e-05 TDB
period 1870.853433938872
5.12
1.1904e-05
3.259e-08
d
yr
n .1924255494681165 1.2244e-09 deg/d
Q 3.331083888575905 1.413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2815  
   data-arc span      41840 days (114.55 yr)  
   first obs. used      1905-01-26  
   last obs. used      2019-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46489  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:08:35  

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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