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308708 (2006 GD9)
Classification: Main-belt Asteroid          SPK-ID: 2308708
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1197882856845275 5.9611e-08  
a 2.518824424408771 1.7827e-08 au
q 2.217098764668528 1.4905e-07 au
i 3.74432304777827 8.3899e-06 deg
node 128.3431105312153 0.00016735 deg
peri 125.1719975045484 0.00018017 deg
M 145.2737593669022 6.7846e-05 deg
tp 2458411.276655035382
(2018-Oct-19.77665504)
0.00027509 TDB
period 1460.142596375806
4.00
1.5502e-05
4.244e-08
d
yr
n .2465512621120359 2.6175e-09 deg/d
Q 2.820550084149015 1.9963e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      10269 days (28.11 yr)  
   first obs. used      1991-09-12  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59408  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:54:04  

Additional Information
 Earth MOID = 1.20499 au 
 Jupiter MOID = 2.2181 au 
 T_jup = 3.444 
[ 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 17.0   n/a MPO440449  

308708 (2006 GD9)          Discovered 2006-Apr-02 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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