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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 ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .034251764638515 2.9119e-08  
a 2.908433366173364 1.3544e-08 au
q 2.80881439104839 8.2629e-08 au
i 1.126497408488454 4.1583e-06 deg
node 302.9418642763029 0.0001963 deg
peri 303.6175338658662 0.00020941 deg
M 73.79476365833207 7.3547e-05 deg
tp 2458229.127150674750
(2018-Apr-20.62715067)
0.00037019 TDB
period 1811.703420802201
4.96
1.2655e-05
3.465e-08
d
yr
n .1987080202346785 1.388e-09 deg/d
Q 3.008052341298338 1.4008e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2122  
   data-arc span      23862 days (65.33 yr)  
   first obs. used      1954-07-29  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50451  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:36:18  

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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