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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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03397286068681143 2.8903e-08  
a 2.909010325221451 1.3197e-08 au
q 2.810182922706206 8.1998e-08 au
i 1.126491500554662 4.0324e-06 deg
node 302.9377214320499 0.00019368 deg
peri 303.8272639929791 0.00020657 deg
M 153.0831865654104 7.2653e-05 deg
tp 2458229.878158228945
(2018-Apr-21.37815823)
0.00036565 TDB
period 1812.242541208406
4.96
1.2332e-05
3.376e-08
d
yr
n .1986489069834722 1.3517e-09 deg/d
Q 3.007837727736695 1.3645e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2292  
   data-arc span      24216 days (66.30 yr)  
   first obs. used      1954-07-29  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49559  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:46:00  

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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