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JPL Small-Body Database Browser
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20787 Mitchfourman (2000 RZ71)
Classification: Main-belt Asteroid          SPK-ID: 2020787
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1498554926270124 3.2893e-08  
a 2.274199168369269 8.2027e-09 au
q 1.93339793166135 7.3321e-08 au
i 4.760469295764857 4.8025e-06 deg
node 209.7342951578187 4.2286e-05 deg
peri 248.7258704009305 4.5245e-05 deg
M 210.4370526145768 1.6984e-05 deg
tp 2459520.930434247284
(2021-Nov-02.43043425)
6.0192e-05 TDB
period 1252.682964626319
3.43
6.7774e-06
1.856e-08
d
yr
n .2873831688989159 1.5548e-09 deg/d
Q 2.615000405077187 9.4319e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1355  
   data-arc span      12948 days (35.45 yr)  
   first obs. used      1983-11-28  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48142  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:55:45  

Additional Information
 Earth MOID = .95616 au 
 Jupiter MOID = 2.5519 au 
 T_jup = 3.591 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456648.5 (2013-Dec-22.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1502638519805281 3.3021e-08  
q 1.931554393286443 7.3714e-08 au
tp 2457015.870271286582
(2014-Dec-24.37027129)
5.5515e-05 TDB
node 209.8580433947706 4.2254e-05 deg
peri 248.4095098595828 4.5196e-05 deg
i 4.762600363702327 4.8054e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1355  
   data-arc span      12948 days (35.45 yr)  
   first obs. used      1983-11-28  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48142  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:55:45  

Additional Information
 Jupiter MOID = 2.5519 au 
 T_jup = 3.591 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.090381785247515E-15 -2.424182889364683E-15 -2.101292337765608E-13 4.223034425161824E-15 -7.761012321898204E-14 -2.308487267140992E-16
q -2.424182889364683E-15 5.433729942374486E-15 5.616874865413278E-13 -9.89886369088519E-15 1.966026618437669E-13 5.565149183596259E-16
tp -2.101292337765608E-13 5.616874865413278E-13 3.08190903560992E-9 -8.323593650363294E-12 8.977084729517002E-10 5.928088251365973E-13
node 4.223034425161824E-15 -9.89886369088519E-15 -8.323593650363294E-12 1.785376349770528E-9 -1.781218077515047E-9 -5.569038394285535E-12
peri -7.761012321898204E-14 1.966026618437669E-13 8.977084729517002E-10 -1.781218077515047E-9 2.042692223440675E-9 5.733913710826095E-12
i -2.308487267140992E-16 5.565149183596259E-16 5.928088251365973E-13 -5.569038394285535E-12 5.733913710826095E-12 2.309142267178921E-11

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 MPO384932  

20787 Mitchfourman           Discovered 2000 Sept. 2 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Mitchell Fourman (b. 1986) was awarded second place in the 2004 Intel International Science and Engineering Fair for his engineering project. He attends the Ward Melville High School, East Setauket, New York, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041226/MPCPages.arcLast Updated: 2004-12-25

Alternate Designations
 2000 RZ71 = 1983 WF = 1991 AQ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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