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JPL Small-Body Database Browser
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12557 Caracol (1998 QQ54)
Classification: Main-belt Asteroid          SPK-ID: 2012557
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .00800827233204973 3.9693e-08  
a 3.157805431348292 1.9971e-08 au
q 3.132516865482429 1.2286e-07 au
i 4.814349920496572 4.3769e-06 deg
node 227.7476418248143 4.9842e-05 deg
peri 291.5669974506566 0.00027847 deg
M 158.0043823838069 0.00027515 deg
tp 2458100.913126302402
(2017-Dec-13.41312630)
0.0015656 TDB
period 2049.634761043978
5.61
1.9444e-05
5.323e-08
d
yr
n .1756410492455908 1.6662e-09 deg/d
Q 3.183093997214155 2.0131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1759  
   data-arc span      9393 days (25.72 yr)  
   first obs. used      1993-12-15  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47913  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:12:34  

Additional Information
 Earth MOID = 2.13719 au 
 Jupiter MOID = 1.79629 au 
 T_jup = 3.200 
[ 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 12.8   n/a MPO439177  

12557 Caracol           Discovered 1998 Aug. 27 by the Lowell Observatory Near-Earth-Object Search at the Anderson Mesa Station.
"El Caracol" at Chichén Itza in Yucatán, Mexico, has been described as probably the most famous of all the astronomically related buildings in ancient Mesoamerica. The name was suggested and citation provided by G. Bennett.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010804/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1998 QQ54 = 1996 FL17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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