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
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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1201120490578807 3.6402e-08  
a 2.970633449283918 1.0751e-08 au
q 2.613824578690547 1.1027e-07 au
i 5.128469722042156 3.7246e-06 deg
node 297.3680529722756 4.1151e-05 deg
peri 11.16480776188572 4.3867e-05 deg
M 39.1322930795728 1.4754e-05 deg
tp 2458997.215238791666
(2020-May-27.71523879)
7.6761e-05 TDB
period 1870.130990948793
5.12
1.0152e-05
2.779e-08
d
yr
n .192499884629663 1.045e-09 deg/d
Q 3.327442319877289 1.2042e-08 au
  Orbit Determination Parameters
   # obs. used (total)      4323  
   data-arc span      42386 days (116.05 yr)  
   first obs. used      1905-01-26  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38437  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 10:52:27  

Additional Information
 Earth MOID = 1.5973 au 
 Jupiter MOID = 1.91025 au 
 T_jup = 3.246 
[ 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 10.22   n/a E2021B10  
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. 2020-October); 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.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1929-Aug-09 07:54 00:01 Jupiter 1.9749661101298 1.97496571721826 1.97496650304168 3.20104905406068 3.06414033829721 2425832.829401112 1.39076988002479 60.1538284850164 10.1816993616751 -78.8431694971523 4421627.70037503 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 10:52:56 2021-Apr-12 10:52
1965-Oct-17 00:44 < 00:01 Jupiter 1.92562957703484 1.92562929240879 1.92562986166089 3.01779853693232 2.86833964891153 2439050.530896656 0.787579611061918 48.2376784837889 9.34400173471419 -83.3569821328275 4510180.52402489 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 10:52:56 2021-Apr-12 10:52
2001-Dec-19 09:50 < 00:01 Jupiter 1.90621572430852 1.90621544449343 1.9062160041236 2.9472994861277 2.79246824970906 2452262.909801535 0.23127277249324 43.9517194196206 9.41954378492951 -84.7054520690829 4147129.60083613 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 10:52:56 2021-Apr-12 10:52
2038-Feb-20 06:04 < 00:01 Jupiter 1.93895224666401 1.93895193161554 1.93895256171248 2.95492715577577 2.80319523938941 2465474.753121951 0.445318392490916 50.5577870236073 11.255255962891 -85.5865646066798 3872746.81178672 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 10:52:56 2021-Apr-12 10:52
2155-Jun-30 01:36 00:02 Jupiter 1.9469613367016 1.94696078672996 1.94696188667434 3.14836774646168 3.00701223269692 2508337.566519366 2.31816436212987 94.0163576778478 9.39608633138328 -78.4348677543871 4144277.74387891 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 10:52:56 2021-Apr-12 10:52
2191-Sep-02 16:11 00:03 Jupiter 1.91569293619499 1.91569264018834 1.91569323220208 3.01541292447275 2.86503338113231 2521551.174165775 2.87283825946422 103.472232636 9.35294777944613 -87.6859497455368 4065314.2787424 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 10:52:56 2021-Apr-12 10:52

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 2021-Jun-21 20:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin