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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1258953377145849 5.7166e-08  
a 3.233778784987777 3.0605e-08 au
q 2.826661112757481 1.7769e-07 au
i 8.011495934968066 6.2315e-06 deg
node 194.1037051856754 3.9944e-05 deg
peri 217.8690237832248 4.7914e-05 deg
M 126.5081324261907 2.4636e-05 deg
tp 2456654.085904871702
(2013-Dec-27.58590487)
0.00014562 JED
period 2124.045854545845
5.82
3.0153e-05
8.255e-08
d
yr
n .169487866389294 2.4061e-09 deg/d
Q 3.640896457218073 3.4458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      991  
   data-arc span      19981 days (54.70 yr)  
   first obs. used      1960-09-24  
   last obs. used      2015-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51384  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:05:46  

Additional Information
 Earth MOID = 1.84098 au 
 Jupiter MOID = 1.78144 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 13.5 mag n/a MPO332922  

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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