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11449 Stephwerner (1979 QP)
Classification: Main-belt Asteroid          SPK-ID: 2011449
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03516398864170456 4.0881e-08  
a 2.909371541790251 2.3459e-08 AU
q 2.80706643394024 1.1557e-07 AU
i 1.126550254596706 6.54e-06 deg
node 303.2622962246658 0.00028659 deg
peri 307.1406345618553 0.00031492 deg
M 112.2622512177889 0.0001286 deg
tp 2456435.265772171267
(2013-May-22.76577217)
0.00064761 JED
period 1812.580095366019
4.96
2.1923e-05
6.002e-08
d
yr
n .1986119128861471 2.4022e-09 deg/d
Q 3.011676649640262 2.4284e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1310  
   data-arc span      22090 days (60.48 yr)  
   first obs. used      1954-07-29  
   last obs. used      2015-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48746  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:26:59  

Additional Information
 Earth MOID = 1.79443 AU 
 T_jup = 3.283 
[ 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 13.1 mag n/a MPO328811  

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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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