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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1501136937165852 2.8089e-08  
a 2.272995617602256 7.342e-09 au
q 1.931787849642371 6.3397e-08 au
i 4.761705824868964 3.5587e-06 deg
node 209.6945915342522 3.9602e-05 deg
peri 248.9650588737526 4.2054e-05 deg
M 267.7197350195223 1.634e-05 deg
tp 2459521.350452862775
(2021-Nov-02.85045286)
5.7681e-05 TDB
period 1251.688679643851
3.43
6.0646e-06
1.66e-08
d
yr
n .2876114531150289 1.3935e-09 deg/d
Q 2.614203385562142 8.4441e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1706  
   data-arc span      13561 days (37.13 yr)  
   first obs. used      1983-11-28  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46995  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:31:37  

Additional Information
 Earth MOID = .954374 au 
 Jupiter MOID = 2.55177 au 
 T_jup = 3.592 
[ 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 14.82   n/a E2021B10  

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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