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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1161374305935933 3.5546e-08  
a 2.250146913026674 6.8436e-09 au
q 1.98882063208965 7.9527e-08 au
i 4.438815627663343 3.4444e-06 deg
node 104.4345429837454 4.8601e-05 deg
peri 78.77659246506583 5.0786e-05 deg
M 208.1845232172999 1.4825e-05 deg
tp 2459520.410137213208
(2021-Nov-01.91013721)
5.1418e-05 TDB
period 1232.862771064216
3.38
5.6244e-06
1.54e-08
d
yr
n .2920033019483957 1.3321e-09 deg/d
Q 2.511473193963697 7.6383e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1504  
   data-arc span      10484 days (28.70 yr)  
   first obs. used      1991-02-18  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52629  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 00:07:53  

Additional Information
 Earth MOID = .996874 au 
 Jupiter MOID = 2.45254 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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