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117786 (2005 GN121)
Classification: Main-belt Asteroid          SPK-ID: 2117786
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0965456278398682 4.1091e-08  
a 2.278544977494492 1.3535e-08 au
q 2.058561422080908 9.479e-08 au
i 4.873879558782719 4.3227e-06 deg
node 59.31676392553454 6.7253e-05 deg
peri 169.649810391356 7.3589e-05 deg
M 130.9373147908109 3.1076e-05 deg
tp 2458543.574111367947
(2019-Mar-01.07411137)
0.000107 TDB
period 1256.275341909508
3.44
1.1194e-05
3.065e-08
d
yr
n .2865613834725186 2.5534e-09 deg/d
Q 2.498528532908076 1.4842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      7693 days (21.06 yr)  
   first obs. used      1996-12-05  
   last obs. used      2017-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61903  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:11:26  

Additional Information
 Earth MOID = 1.04835 au 
 Jupiter MOID = 2.48083 au 
 T_jup = 3.596 
[ 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 16.5   n/a MPO432681  

117786 (2005 GN121)          Discovered 2005-Apr-05 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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