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JPL Small-Body Database Browser
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20584 Brigidsavage (1999 RP159)
Classification: Main-belt Asteroid          SPK-ID: 2020584
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09790557178283107 4.5692e-08  
a 2.921635505099453 1.5182e-08 au
q 2.63559111043167 1.3378e-07 au
i 3.105184186419804 3.5163e-06 deg
node 102.6737736996303 9.004e-05 deg
peri 235.1099996295611 9.1728e-05 deg
M 340.3137130544135 1.7017e-05 deg
tp 2458700.246757678474
(2019-Aug-04.74675768)
8.6194e-05 TDB
period 1824.053101710025
4.99
1.4218e-05
3.893e-08
d
yr
n .1973626752765612 1.5384e-09 deg/d
Q 3.207679899767235 1.6668e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1066  
   data-arc span      11902 days (32.59 yr)  
   first obs. used      1987-04-27  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55091  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:45:06  

Additional Information
 Earth MOID = 1.62684 au 
 Jupiter MOID = 2.12405 au 
 T_jup = 3.270 
[ 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 14.4   n/a MPO309315  

20584 Brigidsavage           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Brigid Savage mentored a finalist in the 2004 Discovery Channel Youth Science Challenge (DCYSC), a middle school science competition. She teaches at the Feagin Mill Middle School, Warner Robins, Georgia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041028/MPCPages.arcLast Updated: 2004-10-29

Alternate Designations
 1999 RP159 = 1998 KA31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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