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233520 (2007 GW40)
Classification: Main-belt Asteroid          SPK-ID: 2233520
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 .05635871798999134 3.6397e-08  
a 2.31236445944638 1.416e-08 au
q 2.182042562986362 8.4485e-08 au
i 2.145934519167765 4.8016e-06 deg
node 197.748544388883 0.00011011 deg
peri 84.03849090868587 0.00011891 deg
M 204.5251442769179 4.5027e-05 deg
tp 2459555.177458768458
(2021-Dec-06.67745877)
0.00016179 TDB
period 1284.348419092948
3.52
1.1797e-05
3.23e-08
d
yr
n .2802977717325681 2.5747e-09 deg/d
Q 2.442686355906397 1.4958e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      8245 days (22.57 yr)  
   first obs. used      1997-07-02  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54899  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:20:59  

Additional Information
 Earth MOID = 1.16689 au 
 Jupiter MOID = 2.61029 au 
 T_jup = 3.580 
[ 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 17.5   n/a MPO454688  

233520 (2007 GW40)          Discovered 2007-Apr-14 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

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