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20535 Marshburrows (1999 RV74)
Classification: Main-belt Asteroid          SPK-ID: 2020535
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1160287830191716 3.0782e-08  
a 2.25055545461324 6.3383e-09 au
q 1.989426244097308 7.003e-08 au
i 4.43874725031059 3.3328e-06 deg
node 104.435388427898 4.3627e-05 deg
peri 78.69901316908188 4.5944e-05 deg
M 266.6559831238371 1.4866e-05 deg
tp 2459520.254739149494
(2021-Nov-01.75473915)
5.1372e-05 TDB
period 1233.198548189045
3.38
5.2097e-06
1.426e-08
d
yr
n .2919237948574144 1.2332e-09 deg/d
Q 2.511684665129173 7.0738e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1779  
   data-arc span      10982 days (30.07 yr)  
   first obs. used      1991-02-18  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51348  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:23:27  

Additional Information
 Earth MOID = .996962 au 
 Jupiter MOID = 2.4513 au 
 T_jup = 3.615 
[ 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 14.8   n/a MPO337431  

20535 Marshburrows           Discovered 1999 Sept. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Marsha Burrows mentored a finalist in the 2004 Discovery Channel Youth Science Challenge (DCYSC), a middle school science competition. She teaches at the Buckner Fanning Christian School at Mission Springs, San Antonio, Texas.
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 RV74 = 1998 HZ131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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