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13403 Sarahmousa (1999 RJ167)
Classification: Main-belt Asteroid          SPK-ID: 2013403
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1819800126376775 2.9952e-08  
a 2.245052830041294 6.4488e-09 au
q 1.836498087658126 6.6867e-08 au
i 5.388078114413776 3.6385e-06 deg
node 29.80986192956562 3.6151e-05 deg
peri 257.107246959118 3.786e-05 deg
M 100.436474401788 9.8031e-06 deg
tp 2458657.710718897250
(2019-Jun-23.21071890)
3.3658e-05 TDB
period 1228.678544642275
3.36
5.294e-06
1.449e-08
d
yr
n .2929977100762449 1.2624e-09 deg/d
Q 2.653607572424463 7.6224e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2138  
   data-arc span      14991 days (41.04 yr)  
   first obs. used      1979-10-16  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50429  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:46:34  

Additional Information
 Earth MOID = .829549 au 
 Jupiter MOID = 2.52073 au 
 T_jup = 3.604 
[ 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 14.1   n/a MPO502270  

13403 Sarahmousa           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Sarah S. Mousa (b. 1987) is a finalist in the 2002 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for her biochemistry, medicine, health, and microbiology project. She attends the Engle Middle School, West Grove, Pennsylvania.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20021021/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1999 RJ167 = 1979 UN3 = 1979 VF = 1985 JE = 1998 DQ11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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