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18170 Ramjeawan (2000 QW2)
Classification: Main-belt Asteroid          SPK-ID: 2018170
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1933658088343798 4.2891e-08  
a 2.672106232670195 1.2932e-08 au
q 2.155412249698536 1.125e-07 au
i 4.545350874594435 4.8524e-06 deg
node 351.2995144373238 4.9577e-05 deg
peri 43.81548511524667 5.0897e-05 deg
M 145.505808277936 1.1946e-05 deg
tp 2458355.652774035077
(2018-Aug-25.15277403)
5.1611e-05 TDB
period 1595.434602197759
4.37
1.1582e-05
3.171e-08
d
yr
n .2256438461997058 1.638e-09 deg/d
Q 3.188800215641855 1.5433e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1147  
   data-arc span      11916 days (32.62 yr)  
   first obs. used      1987-09-13  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5318  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:45:51  

Additional Information
 Earth MOID = 1.1646 au 
 Jupiter MOID = 2.2675 au 
 T_jup = 3.349 
[ 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 14.5   n/a MPO467905  

18170 Ramjeawan           Discovered 2000 Aug. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Khaivchandra Ramjeawan (b. 1986) was awarded second place in the 2003 Intel International Science and Engineering Fair for her environmental science project. She attends the Uniondale High School, Uniondale, New York, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040614/MPCPages.arcLast Updated: 2009-12-11

[ show close-approach data ]
Alternate Designations
 2000 QW2 = 1987 RP1 = 1998 FD147 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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