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357644 (2005 GU128)
Classification: Inner Main-belt Asteroid          SPK-ID: 2357644
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 .07644047269509634 4.4353e-08  
a 1.941544854905772 1.6032e-08 au
q 1.793132248438043 9.0466e-08 au
i 24.21799173467858 5.5797e-06 deg
node 83.40275009516594 1.2952e-05 deg
peri 73.34979029128741 6.0678e-05 deg
M 252.5496443090587 6.0269e-05 deg
tp 2459295.434057862562
(2021-Mar-21.93405786)
0.00016791 TDB
period 988.1424788943144
2.71
1.2239e-05
3.351e-08
d
yr
n .364319931274307 4.5124e-09 deg/d
Q 2.089957461373502 1.7257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      5894 days (16.14 yr)  
   first obs. used      2001-12-22  
   last obs. used      2018-02-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57613  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:31:51  

Additional Information
 Earth MOID = .883388 au 
 Jupiter MOID = 3.09909 au 
 T_jup = 3.791 
[ 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 17.4   n/a MPO437510  

357644 (2005 GU128)          Discovered 2005-Apr-01 by CSS at Catalina
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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