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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03425176454233307 2.9091e-08  
a 2.908433366229151 1.3527e-08 au
q 2.808814391382005 8.2513e-08 au
i 1.126497315851359 4.1492e-06 deg
node 302.9418644608106 0.0001963 deg
peri 303.6175336179346 0.0002094 deg
M 73.79476369967377 7.354e-05 deg
tp 2458229.127150456012
(2018-Apr-20.62715046)
0.00037015 TDB
period 1811.703420854326
4.96
1.264e-05
3.461e-08
d
yr
n .1987080202289614 1.3863e-09 deg/d
Q 3.008052341076297 1.3991e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2140  
   data-arc span      23872 days (65.36 yr)  
   first obs. used      1954-07-29  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50323  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:16:08  

Additional Information
 Earth MOID = 1.79492 au 
 Jupiter MOID = 1.98467 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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