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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1367601834676133 4.0195e-08  
a 2.387845911760536 1.0069e-08 au
q 2.061283666775774 9.5741e-08 au
i 6.01177804307043 4.1928e-06 deg
node 266.191059306101 3.8847e-05 deg
peri 70.1675646802537 4.1887e-05 deg
M 118.7838649863742 1.6934e-05 deg
tp 2458155.804406847107
(2018-Feb-06.30440685)
6.2365e-05 TDB
period 1347.745449715798
3.69
8.5247e-06
2.334e-08
d
yr
n .267112754916675 1.6895e-09 deg/d
Q 2.714408156745297 1.1446e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1165  
   data-arc span      11110 days (30.42 yr)  
   first obs. used      1988-09-08  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58163  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 23:55:44  

Additional Information
 Earth MOID = 1.05982 au 
 Jupiter MOID = 2.63711 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 14.9   n/a MPO416934  
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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