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18783 Sychamberlin (1999 JL47)
Classification: Main-belt Asteroid          SPK-ID: 2018783
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1699079902900121 3.8259e-08  
a 2.593176935822993 1.0518e-08 au
q 2.152575454190896 1.0353e-07 au
i .9612972716513976 4.0005e-06 deg
node 260.8123231854299 0.00022414 deg
peri 54.60374883575873 0.00022446 deg
M 42.77705737672845 1.2937e-05 deg
tp 2459215.259580913223
(2020-Dec-31.75958091)
5.4507e-05 TDB
period 1525.269732712731
4.18
9.2794e-06
2.541e-08
d
yr
n .2360238273133048 1.4359e-09 deg/d
Q 3.033778417455089 1.2305e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1118  
   data-arc span      13999 days (38.33 yr)  
   first obs. used      1982-04-19  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53515  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:37:52  

Additional Information
 Earth MOID = 1.13841 au 
 Jupiter MOID = 2.24817 au 
 T_jup = 3.398 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.03   n/a E2021B10  

18783 Sychamberlin           Discovered 1999 May 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Sydney JoAnne Chamberlin (b. 1986) was awarded third place in the 2003 Intel International Science and Engineering Fair for her engineering team project. She attends the Bingham High School, South Jordan, Utah, 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: 20040830/MPCPages.arcLast Updated: 2004-09-06

Alternate Designations
 1999 JL47 = 1987 QU2 = 1996 XX23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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