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JPL Small-Body Database Browser
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21419 Devience (1998 FP72)
Classification: Main-belt Asteroid          SPK-ID: 2021419
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1150269100014427 4.5062e-08  
a 2.274794560956363 9.0033e-09 au
q 2.013131971721464 1.0303e-07 au
i 2.391608546305886 5.066e-06 deg
node 339.3779647857935 8.9338e-05 deg
peri 196.656353284817 9.0886e-05 deg
M 178.754828474819 1.6797e-05 deg
tp 2458378.247028019778
(2018-Sep-16.74702802)
5.7738e-05 TDB
period 1253.174931408558
3.43
7.4398e-06
2.037e-08
d
yr
n .2872703490767751 1.7055e-09 deg/d
Q 2.536457150191262 1.0039e-08 au
  Orbit Determination Parameters
   # obs. used (total)      898  
   data-arc span      10380 days (28.42 yr)  
   first obs. used      1991-03-20  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57235  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:31:48  

Additional Information
 Earth MOID = 1.01756 au 
 Jupiter MOID = 2.42782 au 
 T_jup = 3.600 
[ 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 15.6   n/a MPO431747  

21419 Devience           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Stephen Jacob DeVience (b. 1986) is a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors, for his engineering project. He attends the Notre Dame High School for Boys, Niles, Illinois.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050224/MPCPages.arcLast Updated: 2005-02-28

Alternate Designations
 1998 FP72 = 1991 FG2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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