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10950 Albertjansen (4049 P-L)
Classification: Outer Main-belt Asteroid          SPK-ID: 2010950
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1231645219761722 7.62e-08  
a 3.233438254417984 3.2277e-08 AU
q 2.835193377473125 2.4786e-07 AU
i 7.988055850905166 8.0614e-06 deg
node 194.3081003033653 4.261e-05 deg
peri 217.8669956221829 5.0419e-05 deg
M 24.91233962523315 2.6156e-05 deg
tp 2456653.537239788715
(2013-Dec-27.03723979)
0.00015421 JED
period 2123.710356873694
5.81
3.1799e-05
8.706e-08
d
yr
n .1695146415963967 2.5382e-09 deg/d
Q 3.631683131362844 3.6252e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      817  
   data-arc span      19514 days (53.43 yr)  
   first obs. used      1960-09-24  
   last obs. used      2014-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54218  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:57:44  

Additional Information
 Earth MOID = 1.84952 AU 
 T_jup = 3.159 
[ 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 13.4 mag n/a MPO267751  

10950 Albertjansen           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Albert Jansen (1940-2004), first director of The Hague Planetarium, was an exceptional teacher and talented experimenter. Living later in South Africa, he built a private observatory for use by advanced amateur astronomers. Shortly before his death he published Star Maps for Southern Africa, the first southern night-sky guide.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060413/MPCPages.arcLast Updated: 2006-04-17

[ show close-approach data ]
Alternate Designations
 4049 P-L = 1992 DC9 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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