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11871 Norge (1989 TP7)
Classification: Main-belt Asteroid          SPK-ID: 2011871
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07433343010195047 4.5665e-08  
a 2.239586061778899 6.037e-09 au
q 2.073109947798355 1.0335e-07 au
i 5.408672452706985 4.2731e-06 deg
node 140.0951854567781 4.1566e-05 deg
peri 19.31741647993666 4.9392e-05 deg
M 333.7047230466381 2.5161e-05 deg
tp 2459289.918073621688
(2021-Mar-16.41807362)
8.5547e-05 TDB
period 1224.193476300009
3.35
4.9499e-06
1.355e-08
d
yr
n .2940711635615479 1.189e-09 deg/d
Q 2.406062175759443 6.4858e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1613  
   data-arc span      13564 days (37.14 yr)  
   first obs. used      1984-01-25  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48843  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:00:09  

Additional Information
 Earth MOID = 1.08276 au 
 Jupiter MOID = 2.56779 au 
 T_jup = 3.626 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO449028  

11871 Norge           Discovered 1989 Oct. 7 by E. W. Elst at the European Southern Observatory.
Norge (Norway) is a nation in northern Europe, well known for its beautiful coast. Two-thirds of the country is mountainous. Far from the European continent, the Norwegians have maintained a great homogeneity among their people and their way of life.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010705/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1989 TP7 = 1984 BL3 = 1989 SJ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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