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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1538540380267079 6.3355e-08  
a 2.271578195258082 2.1019e-08 AU
q 1.922086717224205 1.4523e-07 AU
i 6.518218406652003 7.9895e-06 deg
node 119.5638744318804 6.3549e-05 deg
peri 149.9000046576207 7.6728e-05 deg
M 260.1802625480415 5.1496e-05 deg
tp 2457147.239953206514
(2015-May-04.73995321)
0.0001821 JED
period 1250.518047239124
3.42
1.7357e-05
4.752e-08
d
yr
n .2878806913621141 3.9957e-09 deg/d
Q 2.621069673291959 2.4253e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      478  
   data-arc span      8304 days (22.74 yr)  
   first obs. used      1991-07-10  
   last obs. used      2014-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60169  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:25:49  

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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