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17919 Licandro (1999 GC8)
Classification: Main-belt Asteroid          SPK-ID: 2017919
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2534863389204823 4.918e-08  
a 2.236164797488678 9.6939e-09 au
q 1.669327569750411 1.0999e-07 au
i 4.928566735566712 4.9131e-06 deg
node 225.7918815735565 6.0673e-05 deg
peri 97.50241430763623 6.1432e-05 deg
M 309.7335311696235 1.0406e-05 deg
tp 2457771.041474355690
(2017-Jan-17.54147436)
3.5737e-05 JED
period 1221.389371416253
3.34
7.9422e-06
2.174e-08
d
yr
n .2947463015684871 1.9166e-09 deg/d
Q 2.803002025226944 1.2151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1216  
   data-arc span      22858 days (62.58 yr)  
   first obs. used      1953-09-16  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50813  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:28:40  

Additional Information
 Earth MOID = .665773 au 
 Jupiter MOID = 2.54675 au 
 T_jup = 3.591 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPO365467  
rotation period rot_per 2.8972 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

17919 Licandro           Discovered 1999 Apr. 9 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Javier Licandro (b. 1966), a Uruguayan astronomer at the Isaac Newton Telescope at La Palma, works on the physical properties of minor bodies and transneptunian objects.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050721/MPCPages.arcLast Updated: 2005-07-21

Alternate Designations
 1999 GC8 = 1973 RC = 1996 KV7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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