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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1433381231298989 3.6388e-07  
a 2.531543422319231 2.8539e-08 AU
q 2.168676739542152 9.2928e-07 AU
i 14.38013418984866 1.5157e-05 deg
node 62.72639338691867 3.0547e-05 deg
peri 357.510167865543 5.2195e-05 deg
M 141.8619838087622 2.92e-05 deg
tp 2456220.750975702663
(2012-Oct-20.25097570)
0.00011815 JED
period 1471.216200024339
4.03
2.4878e-05
6.811e-08
d
yr
n .2446955110975833 4.1378e-09 deg/d
Q 2.894410105096311 3.263e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      444  
   data-arc span      5831 days (15.96 yr)  
   first obs. used      1998-04-21  
   last obs. used      2014-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54053  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:44:22  

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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