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180638 (2004 GK7)
Classification: Main-belt Asteroid          SPK-ID: 2180638
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1040894171183983 4.1519e-08  
a 2.675468008857134 1.7413e-08 au
q 2.396980103296273 1.0796e-07 au
i 4.12353010074704 4.103e-06 deg
node 104.6146735500655 6.337e-05 deg
peri 248.581799678152 6.6451e-05 deg
M 120.2230267266279 1.9979e-05 deg
tp 2458666.694275007303
(2019-Jul-02.19427501)
8.7975e-05 TDB
period 1598.446372792972
4.38
1.5605e-05
4.272e-08
d
yr
n .2252186911788417 2.1987e-09 deg/d
Q 2.953955914417995 1.9225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      8081 days (22.12 yr)  
   first obs. used      1999-01-19  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58265  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:27:18  

Additional Information
 Earth MOID = 1.39347 au 
 Jupiter MOID = 2.44494 au 
 T_jup = 3.367 
[ 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 16.6   n/a MPO454242  

180638 (2004 GK7)          Discovered 2004-Apr-12 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2004 GK7 = 1999 BK30 = 2006 WG124 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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