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27618 Ceilierin (2001 KL55)
Classification: Main-belt Asteroid          SPK-ID: 2027618
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1538541110797845 6.1124e-08  
a 2.271578181292032 2.1342e-08 AU
q 1.922086539461113 1.4057e-07 AU
i 6.518221023892977 7.7878e-06 deg
node 119.5639752664489 5.8834e-05 deg
peri 149.8999148613722 7.2154e-05 deg
M 260.1802516690959 5.0204e-05 deg
tp 2457147.239987798561
(2015-May-04.73998780)
0.00017753 JED
period 1250.518035706527
3.42
1.7623e-05
4.825e-08
d
yr
n .2878806940170235 4.057e-09 deg/d
Q 2.621069823122951 2.4625e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      481  
   data-arc span      8357 days (22.88 yr)  
   first obs. used      1991-07-10  
   last obs. used      2014-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57807  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:21:58  

Additional Information
 Earth MOID = .908665 AU 
 T_jup = 3.588 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6 mag n/a PDS3 (MPO 14715)  

27618 Ceilierin           Discovered 2001 May 22 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Ceili Erin Masterson (b. 1998) is a finalist in the 2012 Broadcom MASTERS, a math and science competition for middle-school students, for her animal and plant sciences project. She attends the Stone Middle School, Melbourne, Florida.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20121029/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2001 KL55 = 1991 NS4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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