Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1206802426924637 3.7254e-08  
a 2.972715175092024 1.3194e-08 au
q 2.613967186306348 1.1427e-07 au
i 5.128434966442875 3.9339e-06 deg
node 297.3686636959482 4.5504e-05 deg
peri 11.29418058412948 4.8561e-05 deg
M .5260523028442528 1.8254e-05 deg
tp 2458997.764386096115
(2020-May-28.26438610)
9.4921e-05 TDB
period 1872.097128125684
5.13
1.2463e-05
3.412e-08
d
yr
n .1922977150017994 1.2802e-09 deg/d
Q 3.331463163877699 1.4786e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3596  
   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      .41451  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 17:27:26  

Additional Information
 Earth MOID = 1.59946 au 
 Jupiter MOID = 1.9077 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-August); 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-23 06:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin