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180884 (2005 JG117)
Classification: Main-belt Asteroid          SPK-ID: 2180884
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1879713138709163 4.3281e-08  
a 2.385514921162325 1.4551e-08 au
q 1.937106547172768 1.0223e-07 au
i 5.393225962968625 5.7647e-06 deg
node 165.14783008 5.9966e-05 deg
peri 151.848480019888 6.2198e-05 deg
M 23.35930848012977 1.7587e-05 deg
tp 2459113.176906194104
(2020-Sep-20.67690619)
6.5557e-05 TDB
period 1345.772448566424
3.68
1.2313e-05
3.371e-08
d
yr
n .2675043618135352 2.4476e-09 deg/d
Q 2.833923295151883 1.7286e-08 au
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      7208 days (19.73 yr)  
   first obs. used      2001-03-15  
   last obs. used      2020-12-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57315  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:21  

Additional Information
 Earth MOID = .923944 au 
 Jupiter MOID = 2.47606 au 
 T_jup = 3.505 
[ show covariance matrix ]

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 16.90   n/a E2021B55  

180884 (2005 JG117)          Discovered 2005-May-10 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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