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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03371879644560964 1.4685e-08  
a 2.909750853873368 1.191e-08 au
q 2.811637557124174 4.3405e-08 au
i 1.126468569529532 3.7006e-07 deg
node 302.9403572037178 2.7474e-05 deg
peri 303.9176972297921 4.7306e-05 deg
M 192.7096677048823 4.1181e-05 deg
tp 2460042.962301905007
(2023-Apr-08.46230190)
0.00020945 TDB
period 1812.934582201519
4.96
1.1131e-05
3.048e-08
d
yr
n .1985730778894612 1.2192e-09 deg/d
Q 3.007864150622563 1.2311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2514  
   data-arc span      24324 days (66.60 yr)  
   first obs. used      1954-07-29  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48288  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:46:41  

Additional Information
 Earth MOID = 1.79634 au 
 Jupiter MOID = 1.98289 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 13.20   n/a E2021B10  

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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