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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1431748269454549 3.5306e-07  
a 2.531906328918646 2.5975e-08 AU
q 2.169401078433617 8.9998e-07 AU
i 14.37900021527005 1.3261e-05 deg
node 62.72721071182897 2.7716e-05 deg
peri 357.5163724523184 4.9843e-05 deg
M 190.7907008456314 2.7462e-05 deg
tp 2457692.158318194212
(2016-Oct-30.65831819)
0.0001157 JED
period 1471.532568211621
4.03
2.2645e-05
6.2e-08
d
yr
n .244642903444206 3.7647e-09 deg/d
Q 2.894411579403675 2.9694e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      494  
   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      .54215  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 15:05:04  

Additional Information
 Earth MOID = 1.18192 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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