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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2534456866822698 5.2199e-08  
a 2.236972551492046 1.0056e-08 AU
q 1.670021507089755 1.16e-07 AU
i 4.924154901838689 5.0368e-06 deg
node 225.9659158937622 6.5202e-05 deg
peri 97.03212314313352 6.5969e-05 deg
M 133.3877707850196 1.006e-05 deg
tp 2456547.703643663854
(2013-Sep-12.20364366)
3.3466e-05 JED
period 1222.051221949946
3.35
8.2404e-06
2.256e-08
d
yr
n .2945866699642688 1.9864e-09 deg/d
Q 2.803923595894336 1.2605e-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 = .667749 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-July); 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., in press.]

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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