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15144 Araas (2000 EK114)
Classification: Main-belt Asteroid          SPK-ID: 2015144
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1492664950532362 3.0769e-08  
a 2.312140468074147 7.5646e-09 au
q 1.96701536433397 7.2018e-08 au
i 6.02840371139429 4.1845e-06 deg
node 5.560401802164916 3.2374e-05 deg
peri 268.4857317561961 3.5318e-05 deg
M 260.4978175854769 1.4676e-05 deg
tp 2459555.435840056711
(2021-Dec-06.93584006)
5.2612e-05 TDB
period 1284.161807507912
3.52
6.302e-06
1.725e-08
d
yr
n .2803385039916645 1.3758e-09 deg/d
Q 2.657265571814324 8.6937e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1800  
   data-arc span      10194 days (27.91 yr)  
   first obs. used      1993-04-17  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48527  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:49:31  

Additional Information
 Earth MOID = .960445 au 
 Jupiter MOID = 2.46996 au 
 T_jup = 3.561 
[ 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 14.35   n/a E2021B10  
diameter diameter 3.554 km 0.290 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.320   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15144 Araas           Discovered 2000 Mar. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Named in honor of Michael J. Araas for achievement as a finalist in the 2001 Discovery Young Scientist Challenge (DYSC), a middle school science competition. Michael is a student at the Holy Name School, Sheridan, Wyoming.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20011002/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2000 EK114 = 1993 HC6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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