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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03397286175136769 2.9015e-08  
a 2.909010326527966 1.34e-08 au
q 2.810182920871531 8.216e-08 au
i 1.126491740156501 4.1212e-06 deg
node 302.9377277094733 0.00019627 deg
peri 303.8272500157208 0.00020956 deg
M 153.0831938241353 7.4072e-05 deg
tp 2458229.878121169312
(2018-Apr-21.37812117)
0.00037298 TDB
period 1812.242542429297
4.96
1.2522e-05
3.428e-08
d
yr
n .1986489068496443 1.3726e-09 deg/d
Q 3.007837732184402 1.3856e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2196  
   data-arc span      23923 days (65.50 yr)  
   first obs. used      1954-07-29  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50226  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:02:57  

Additional Information
 Earth MOID = 1.79648 au 
 Jupiter MOID = 1.98412 au 
 T_jup = 3.283 
[ show covariance matrix ]

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

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