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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1433380126367028 3.5326e-07  
a 2.531543440602495 2.5992e-08 AU
q 2.168677034923053 9.0034e-07 AU
i 14.38012297750807 1.3286e-05 deg
node 62.72640526314415 2.7721e-05 deg
peri 357.5101300310708 4.9802e-05 deg
M 141.8619993842326 2.7217e-05 deg
tp 2456220.750905769627
(2012-Oct-20.25090577)
0.00010931 JED
period 1471.216215962423
4.03
2.2658e-05
6.203e-08
d
yr
n .2446955084467305 3.7685e-09 deg/d
Q 2.894409846281937 2.9718e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      476  
   data-arc span      5914 days (16.19 yr)  
   first obs. used      1998-04-21  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55167  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 13:23:41  

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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