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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1818596490982942 1.4426e-08  
a 2.245461201577292 5.8868e-09 au
q 1.837102415394612 3.2763e-08 au
i 5.387541249365391 7.2365e-07 deg
node 29.80507573042087 9.2282e-06 deg
peri 257.161510829145 1.1666e-05 deg
M 158.9739111964906 5.7735e-06 deg
tp 2458657.774636106824
(2019-Jun-23.27463611)
1.9392e-05 TDB
period 1229.013801893909
3.36
4.833e-06
1.323e-08
d
yr
n .292917784523852 1.1519e-09 deg/d
Q 2.653819987759972 6.9573e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2335  
   data-arc span      15113 days (41.38 yr)  
   first obs. used      1979-10-16  
   last obs. used      2021-03-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48842  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:55:58  

Additional Information
 Earth MOID = .828263 au 
 Jupiter MOID = 2.51986 au 
 T_jup = 3.603 
[ 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 14.12   n/a E2021B10  
rotation period rot_per 4.300 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]

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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