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180636 (2004 GG4)
Classification: Main-belt Asteroid          SPK-ID: 2180636
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2215865313151016 4.9623e-08  
a 2.615819166902289 1.6877e-08 au
q 2.036188871160852 1.3673e-07 au
i 3.969205571433885 4.9714e-06 deg
node 196.6232679422171 7.2834e-05 deg
peri 266.5688958908526 7.3859e-05 deg
M 51.32332828624094 1.21e-05 deg
tp 2458980.196034317039
(2020-May-10.69603432)
5.0945e-05 TDB
period 1545.290032702879
4.23
1.4955e-05
4.094e-08
d
yr
n .2329659755653255 2.2546e-09 deg/d
Q 3.195449462643725 2.0617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      308  
   data-arc span      7716 days (21.13 yr)  
   first obs. used      1998-12-11  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61081  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 18:54:12  

Additional Information
 Earth MOID = 1.05743 au 
 Jupiter MOID = 1.985 au 
 T_jup = 3.369 
[ 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 16.8   n/a MPO454242  

180636 (2004 GG4)          Discovered 2004-Apr-11 by NEAT at Palomar
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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