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22846 Fredwhitaker (1999 RN120)
Classification: Main-belt Asteroid          SPK-ID: 2022846
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1314275206281647 4.0522e-08  
a 2.388978579233882 9.5699e-09 au
q 2.075001047731377 9.5176e-08 au
i 8.119741068344492 4.1894e-06 deg
node 173.5999847509783 2.1568e-05 deg
peri 194.7316875486106 2.4663e-05 deg
M 192.5059671580539 1.2682e-05 deg
tp 2459627.999882797540
(2022-Feb-17.49988280)
4.9445e-05 TDB
period 1348.704511881223
3.69
8.1041e-06
2.219e-08
d
yr
n .2669228113561055 1.6039e-09 deg/d
Q 2.702956110736387 1.0828e-08 au
  Orbit Determination Parameters
   # obs. used (total)      915  
   data-arc span      15572 days (42.63 yr)  
   first obs. used      1977-09-09  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57896  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:35:25  

Additional Information
 Earth MOID = 1.07449 au 
 Jupiter MOID = 2.75711 au 
 T_jup = 3.508 
[ 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 15.6   n/a MPO416946  

22846 Fredwhitaker           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Fred Joseph Whitaker mentored a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. He teaches at the St. Francis of Assisi School, Louisville, Kentucky.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061009/MPCPages.arcLast Updated: 2006-10-14

Alternate Designations
 1999 RN120 = 1977 RQ10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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