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227950 (2007 GF57)
Classification: Main-belt Asteroid          SPK-ID: 2227950
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1628542276223152 4.932e-08  
a 2.453350622915512 1.6179e-08 au
q 2.053812102133881 1.259e-07 au
i 7.593224255155564 5.4872e-06 deg
node 174.8538900231553 3.9055e-05 deg
peri 282.5707885947646 4.2563e-05 deg
M 294.0144599650977 1.8415e-05 deg
tp 2459457.767029398834
(2021-Aug-31.26702940)
7.2805e-05 TDB
period 1403.582217173523
3.84
1.3884e-05
3.801e-08
d
yr
n .2564865781250444 2.5372e-09 deg/d
Q 2.852889143697143 1.8814e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      6971 days (19.09 yr)  
   first obs. used      2001-09-19  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58394  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:23:49  

Additional Information
 Earth MOID = 1.08603 au 
 Jupiter MOID = 2.34308 au 
 T_jup = 3.464 
[ 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 17.3   n/a MPO437079  

227950 (2007 GF57)          Discovered 2007-Apr-15 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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