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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1239898445412784 7.3543e-08  
a 3.236546624967848 3.2103e-08 AU
q 2.835247712087486 2.3853e-07 AU
i 7.988663045478789 7.8724e-06 deg
node 194.2396647812543 4.2517e-05 deg
peri 218.1258148979103 5.0234e-05 deg
M 58.56227259921526 2.5801e-05 deg
tp 2456654.531427549986
(2013-Dec-28.03142755)
0.0001523 JED
period 2126.773442253232
5.82
3.1643e-05
8.663e-08
d
yr
n .16927049813947 2.5185e-09 deg/d
Q 3.637845537848211 3.6084e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      829  
   data-arc span      19759 days (54.10 yr)  
   first obs. used      1960-09-24  
   last obs. used      2014-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54371  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:13:40  

Additional Information
 Earth MOID = 1.8505 AU 
 T_jup = 3.158 
[ 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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