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17952 Folsom (1999 JT19)
Classification: Main-belt Asteroid          SPK-ID: 2017952
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .096795982988937 4.7832e-08  
a 2.322041254075046 9.5583e-09 au
q 2.097276988345988 1.1397e-07 au
i 5.877191717899598 3.8454e-06 deg
node 268.6050289017464 4.6912e-05 deg
peri 327.7974000121801 5.4107e-05 deg
M 328.4523437063374 2.9064e-05 deg
tp 2459113.757748443761
(2020-Sep-21.25774844)
0.00010449 TDB
period 1292.418969581089
3.54
7.9801e-06
2.185e-08
d
yr
n .2785474435714038 1.7199e-09 deg/d
Q 2.546805519804105 1.0484e-08 au
  Orbit Determination Parameters
   # obs. used (total)      940  
   data-arc span      13769 days (37.70 yr)  
   first obs. used      1982-08-16  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5761  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:43:09  

Additional Information
 Earth MOID = 1.08761 au 
 Jupiter MOID = 2.46775 au 
 T_jup = 3.564 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457138.5 (2015-Apr-26.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09743132129901289 4.772e-08  
q 2.095683979931875 1.1376e-07 au
tp 2456528.399371652331
(2013-Aug-23.89937165)
0.00010167 TDB
node 268.6660284748193 4.6917e-05 deg
peri 327.7023888370501 5.405e-05 deg
i 5.877045227493832 3.8455e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      940  
   data-arc span      13769 days (37.70 yr)  
   first obs. used      1982-08-16  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5761  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:43:09  

Additional Information
 Jupiter MOID = 2.46775 au 
 T_jup = 3.564 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.277167532081109E-15 -5.414303736951534E-15 -2.228614537216464E-12 1.174185239910464E-14 -5.386403000446045E-13 -2.583112117237855E-15
q -5.414303736951534E-15 1.294081184715608E-14 5.234353779397838E-12 -2.691252571140906E-14 1.268763788577799E-12 6.248383513359584E-15
tp -2.228614537216464E-12 5.234353779397838E-12 1.033774515310778E-8 -2.043605303958903E-11 2.752188482607457E-9 6.786043592524337E-12
node 1.174185239910464E-14 -2.691252571140906E-14 -2.043605303958903E-11 2.201236174381619E-9 -2.194103032674097E-9 6.234252011422475E-12
peri -5.386403000446045E-13 1.268763788577799E-12 2.752188482607457E-9 -2.194103032674097E-9 2.921371865340039E-9 -4.425647767934192E-12
i -2.583112117237855E-15 6.248383513359584E-15 6.786043592524337E-12 6.234252011422475E-12 -4.425647767934192E-12 1.478818296631407E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO263507  

17952 Folsom           Discovered 1999 May 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Jean Marie Folsom (b. 1985) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for her environmental science project. She attends the Yorktown High School, Arlington, Virginia, 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

[ show close-approach data ]
Alternate Designations
 1999 JT19 = 1988 CJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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