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261930 Moorhead (2006 KF138)
Classification: Main-belt Asteroid          SPK-ID: 2261930
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1618610801505898 6.3931e-08  
a 2.331678185893582 1.779e-08 au
q 1.954270236161279 1.4624e-07 au
i 1.936043961277951 5.3418e-06 deg
node 276.3255040693464 0.00018289 deg
peri 96.12190680565021 0.00018392 deg
M 280.8176439076828 2.4476e-05 deg
tp 2459486.540323644811
(2021-Sep-29.04032364)
9.0881e-05 TDB
period 1300.473004264686
3.56
1.4884e-05
4.075e-08
d
yr
n .2768223552656914 3.1682e-09 deg/d
Q 2.709086135625885 2.067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      6150 days (16.84 yr)  
   first obs. used      2003-07-24  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59599  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:53:30  

Additional Information
 Earth MOID = .954168 au 
 Jupiter MOID = 2.76357 au 
 T_jup = 3.552 
[ 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 17.55   n/a E2021B55  

261930 Moorhead           Discovered 2006 May 25 by P. A. Wiegert at Mauna Kea.
James Marshall Moorhead (b. 1940) is an American-Canadian astronomer with expertise in the infrared spectroscopy of stars and nebulae, and the properties of variable stars.
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 2013-07-22Last Updated: 2014-08-13

Alternate Designations
 2006 KF138 = 2006 KT144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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