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697 Galilea (A910 CL)
Classification: Main-belt Asteroid          SPK-ID: 2000697
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 50 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1541543776419416 1.3031e-08  
a 2.881123481653281 9.7399e-09 au
q 2.436985684429436 3.7557e-08 au
i 15.12286615731526 9.9446e-07 deg
node 15.42361833593397 1.8188e-06 deg
peri 332.9750008999423 8.301e-06 deg
M 64.9926681926504 6.1848e-06 deg
tp 2459074.019765527080
(2020-Aug-12.51976553)
3.0605e-05 TDB
period 1786.245858781028
4.89
9.0578e-06
2.48e-08
d
yr
n .2015400053863087 1.022e-09 deg/d
Q 3.325261278877127 1.1241e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3447  
   data-arc span      40717 days (111.48 yr)  
   first obs. used      1910-02-15  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36854  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 23:19:10  

Additional Information
 Earth MOID = 1.44098 au 
 Jupiter MOID = 2.15066 au 
 T_jup = 3.226 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456726.5 (2014-Mar-10.0) TDB
Reference: JPL 50 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1566854926043619 1.3152e-08  
q 2.428524386263767 3.8206e-08 au
tp 2457290.606952158910
(2015-Sep-25.10695216)
3.0976e-05 TDB
node 15.55544008451793 1.8156e-06 deg
peri 333.4226923811702 8.1405e-06 deg
i 15.14349225658518 9.9429e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3447  
   data-arc span      40717 days (111.48 yr)  
   first obs. used      1910-02-15  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36854  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 23:19:10  

Additional Information
 Jupiter MOID = 2.15066 au 
 T_jup = 3.226 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.729774255882164E-16 -4.905454127160502E-16 1.481555677564312E-13 1.729031514432682E-14 2.221385011003808E-14 1.983891247190558E-15
q -4.905454127160502E-16 1.459685301051883E-15 -5.00589654160485E-13 -5.129058308216071E-14 -8.290547544913351E-14 -4.900115561988481E-15
tp 1.481555677564312E-13 -5.00589654160485E-13 9.595163830901069E-10 1.160555264864491E-11 2.473999697065753E-10 -1.217907049739688E-11
node 1.729031514432682E-14 -5.129058308216071E-14 1.160555264864491E-11 3.296274720252997E-12 5.016564374177165E-13 6.988279494800857E-13
peri 2.221385011003808E-14 -8.290547544913351E-14 2.473999697065753E-10 5.016564374177165E-13 6.626722227376801E-11 -4.133635381853507E-12
i 1.983891247190558E-15 -4.900115561988481E-15 -1.217907049739688E-11 6.988279494800857E-13 -4.133635381853507E-12 9.886073617792014E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.55   n/a E2021B10 IRAS observations used: 11
diameter diameter 80.14 km 1.7 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 11
rotation period rot_per 16.538 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Sheridan, E.E. (2002) Minor Planet Bull. 29, 32-33.]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.0387   0.002 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 11
B-V BV 0.735   0.045 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=11.45, mean=13.10, max.=14.76) deg.
U-B UB 0.391   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=11.45, mean=13.10, max.=14.76) deg.
Tholen spectral type spec_T C:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

697 Galilea (A910 CL)          Discovered 1910-Feb-14 by Helffrich, J. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A910 CL = 1945 GE = 1979 FL2 = A910 DA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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