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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2534005166998085 5.2163e-08  
a 2.236762534451656 1.032e-08 au
q 1.669965752486833 1.1595e-07 au
i 4.927242069168813 5.0386e-06 deg
node 225.7977380820047 6.5134e-05 deg
peri 97.43458591672315 6.5908e-05 deg
M 250.8534253743406 1.0302e-05 deg
tp 2457770.955337449451
(2017-Jan-17.45533745)
3.5853e-05 JED
period 1221.879128494883
3.35
8.4562e-06
2.315e-08
d
yr
n .2946281605149028 2.039e-09 deg/d
Q 2.803559316416478 1.2935e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1094  
   data-arc span      22505 days (61.62 yr)  
   first obs. used      1953-09-16  
   last obs. used      2015-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51642  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:30:20  

Additional Information
 Earth MOID = .665046 au 
 Jupiter MOID = 2.54487 au 
 T_jup = 3.590 
[ 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 14.4 mag n/a MPO324474  
rotation period rot_per 2.8972 h n/a LCDB (Rev. 2015-December); 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. (2015) 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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