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17905 Kabtamu (1999 FM31)
Classification: Main-belt Asteroid          SPK-ID: 2017905
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1424299914287256 3.2263e-08  
a 2.440555454413435 9.1826e-09 au
q 2.09294716196 7.8705e-08 au
i 2.70412731939907 4.8204e-06 deg
node 156.9981707382373 7.1201e-05 deg
peri 75.60167548227599 7.322e-05 deg
M 224.5215030842448 1.7561e-05 deg
tp 2459724.582087162483
(2022-May-25.08208716)
6.8828e-05 TDB
period 1392.616213448356
3.81
7.8596e-06
2.152e-08
d
yr
n .2585062535704495 1.4589e-09 deg/d
Q 2.788163746866871 1.049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1037  
   data-arc span      9481 days (25.96 yr)  
   first obs. used      1995-02-24  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55568  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:17:33  

Additional Information
 Earth MOID = 1.08277 au 
 Jupiter MOID = 2.2027 au 
 T_jup = 3.486 
[ 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 15.5   n/a MPO431705  

17905 Kabtamu           Discovered 1999 Mar. 19 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Mahlet Kabtamu (b. 1985) was awarded third place in the 2003 Intel International Science and Engineering Fair for her environmental science team project. She attends the Deming High School, Deming, New Mexico, 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

Alternate Designations
 1999 FM31 = 1995 DB8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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