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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1822534548052128 3.0054e-08  
a 2.245518499443183 6.5768e-09 au
q 1.836264995090646 6.7219e-08 au
i 5.388441943724273 3.6739e-06 deg
node 29.81903477688426 3.6551e-05 deg
peri 257.0940819359082 3.8318e-05 deg
M 343.2402659069751 1.0012e-05 deg
tp 2458657.718702566678
(2019-Jun-23.21870257)
3.4137e-05 TDB
period 1229.060843666782
3.36
5.3996e-06
1.478e-08
d
yr
n .2929065732221812 1.2868e-09 deg/d
Q 2.654772003795721 7.7754e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2017  
   data-arc span      14661 days (40.14 yr)  
   first obs. used      1979-10-16  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51357  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:34:18  

Additional Information
 Earth MOID = .828715 au 
 Jupiter MOID = 2.51862 au 
 T_jup = 3.603 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO319252  

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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