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11806 Thangjam (1981 EF14)
Classification: Main-belt Asteroid          SPK-ID: 2011806
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .109650496460491 3.3424e-08  
a 2.251753517675029 7.1436e-09 au
q 2.004847626555305 7.4393e-08 au
i 2.526752138074127 3.514e-06 deg
node 266.8964702411242 0.00010514 deg
peri 339.2757247809172 0.00010711 deg
M 162.1747590435604 2.0865e-05 deg
tp 2458444.518344654735
(2018-Nov-22.01834465)
7.1293e-05 TDB
period 1234.183402551157
3.38
5.8731e-06
1.608e-08
d
yr
n .2916908453442583 1.3881e-09 deg/d
Q 2.498659408794752 7.9269e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1180  
   data-arc span      14609 days (40.00 yr)  
   first obs. used      1979-11-22  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54543  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:19:42  

Additional Information
 Earth MOID = .991468 au 
 Jupiter MOID = 2.51668 au 
 T_jup = 3.617 
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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 15.3   n/a MPO337358  

11806 Thangjam           Discovered 1981 Mar. 1 by S. J. Bus at Siding Spring.
Guneshwar Thangjam (b. 1985) is a researcher at the Max-Planck Institute (Göttingen) performing spectral analyses of Vesta's compositional heterogeneity using Dawn spacecraft data.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-03-12Last Updated: 2017-04-19

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Alternate Designations
 1981 EF14 = 1998 HL37 = 1998 HY150 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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