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41943 Fredrick (2000 XH2)
Classification: Main-belt Asteroid          SPK-ID: 2041943
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1433380090451345 3.8002e-07  
a 2.531543437172646 3.1206e-08 AU
q 2.168677041077042 9.7292e-07 AU
i 14.38012850724545 1.6491e-05 deg
node 62.72638620047484 3.1249e-05 deg
peri 357.5101624661035 5.2986e-05 deg
M 141.8619932745655 3.0096e-05 deg
tp 2456220.750931916280
(2012-Oct-20.25093192)
0.00012297 JED
period 1471.216212972518
4.03
2.7203e-05
7.448e-08
d
yr
n .2446955089440173 4.5244e-09 deg/d
Q 2.89440983326825 3.5679e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      5803 days (15.89 yr)  
   first obs. used      1998-04-21  
   last obs. used      2014-03-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54184  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 11:42:08  

Additional Information
 Earth MOID = 1.18054 AU 
 T_jup = 3.393 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPO263696  

41943 Fredrick           Discovered 2000 Dec. 3 by L. Robinson at Sunflower Observatory.
Richard Fredrick (b. 1953) is an amateur astronomer and team member of the Powell Observatory Near-Earth-Object follow-up program.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020921/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 2000 XH2 = 1998 HQ116 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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