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21430 Brubrew (1998 FG107)
Classification: Main-belt Asteroid          SPK-ID: 2021430
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1373865830277308 3.6006e-08  
a 2.387983021512341 8.0508e-09 au
q 2.059906193858525 8.806e-08 au
i 6.010511623661494 3.5918e-06 deg
node 266.1862322890834 3.5149e-05 deg
peri 70.04043910602385 3.7364e-05 deg
M 331.6036574289774 1.3434e-05 deg
tp 2459502.817605033672
(2021-Oct-15.31760503)
5.046e-05 TDB
period 1347.86153239254
3.69
6.8162e-06
1.866e-08
d
yr
n .267089750206742 1.3507e-09 deg/d
Q 2.716059849166158 9.1569e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1418  
   data-arc span      11976 days (32.79 yr)  
   first obs. used      1988-09-08  
   last obs. used      2021-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55926  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 05:08:02  

Additional Information
 Earth MOID = 1.05854 au 
 Jupiter MOID = 2.63662 au 
 T_jup = 3.514 
[ 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 14.94   n/a E2021B10  
diameter diameter 1.927 km 0.459 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.395   0.198 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21430 Brubrew           Discovered 1998 Mar. 31 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Bruce X. Brewington (b. 1987) is a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors, for his materials science project. He attends the Fairport High School, Fairport, New York.
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 FG107 = 1988 RP7 = 1999 RS133 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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