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JPL Small-Body Database Browser
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201100 (2002 GU128)
Classification: Main-belt Asteroid          SPK-ID: 2201100
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08650123652845007 2.4643e-07  
a 2.553353014353371 2.8244e-08 au
q 2.332484821318159 6.3688e-07 au
i 2.874834346249517 6.2782e-06 deg
node 296.793371165979 0.00020504 deg
peri 80.66978896888401 0.00021067 deg
M 244.0518420338137 4.8744e-05 deg
tp 2459080.483240302231
(2020-Aug-18.98324030)
0.00020084 TDB
period 1490.269181845861
4.08
2.4727e-05
6.77e-08
d
yr
n .2415670969952561 4.0082e-09 deg/d
Q 2.774221207388583 3.0687e-08 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      5807 days (15.90 yr)  
   first obs. used      2002-04-04  
   last obs. used      2018-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61008  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-06 01:22:03  

Additional Information
 Earth MOID = 1.33514 au 
 Jupiter MOID = 2.62619 au 
 T_jup = 3.432 
[ 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 15.8   n/a MPO436979  

201100 (2002 GU128)          Discovered 2002-Apr-12 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Alternate Designations
 2002 GU128 = 2004 XE20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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