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11449 Stephwerner (1979 QP)
Classification: Main-belt Asteroid          SPK-ID: 2011449
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03397286071235233 2.8916e-08  
a 2.909010325272963 1.3216e-08 au
q 2.81018292268167 8.2017e-08 au
i 1.12649153173855 4.0396e-06 deg
node 302.9377227510306 0.00019395 deg
peri 303.8272624467235 0.00020687 deg
M 153.0831867784992 7.2777e-05 deg
tp 2458229.878157135785
(2018-Apr-21.37815714)
0.00036629 TDB
period 1812.242541256543
4.96
1.2349e-05
3.381e-08
d
yr
n .1986489069781957 1.3537e-09 deg/d
Q 3.007837727864256 1.3665e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2285  
   data-arc span      24199 days (66.25 yr)  
   first obs. used      1954-07-29  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:59:30  

Additional Information
 Earth MOID = 1.79648 au 
 Jupiter MOID = 1.98412 au 
 T_jup = 3.283 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1   n/a MPO412266  

11449 Stephwerner           Discovered 1979 Aug. 22 by C.-I. Lagerkvist at the European Southern Observatory.
German geophysicist Stephanie C. Werner (b. 1974) has investigated the chronostratigraphy and geologic evolutionary history of Mars.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060613/MPCPages.arcLast Updated: 2008-05-22

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Alternate Designations
 1979 QP = 1990 TJ12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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