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JPL Small-Body Database Browser
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393558 (2003 GP31)
Classification: Main-belt Asteroid          SPK-ID: 2393558
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05645122448909346 7.5934e-08  
a 3.033348825170539 4.3135e-08 au
q 2.862112569687109 2.5383e-07 au
i 12.11514594108182 9.3826e-06 deg
node 33.24656760627859 3.1035e-05 deg
peri 254.9984249377973 9.2451e-05 deg
M 5.906844073895665 8.6324e-05 deg
tp 2458968.838246293254
(2020-Apr-29.33824629)
0.00046266 TDB
period 1929.66518022731
5.28
4.1161e-05
1.127e-07
d
yr
n .1865608623137371 3.9795e-09 deg/d
Q 3.20458508065397 4.5571e-08 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      5897 days (16.15 yr)  
   first obs. used      2003-04-08  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71054  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:51:17  

Additional Information
 Earth MOID = 1.87655 au 
 Jupiter MOID = 1.89911 au 
 T_jup = 3.206 
[ 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 16.3   n/a MPO437611  

393558 (2003 GP31)          Discovered 2003-Apr-08 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15

[ show close-approach data ]
Alternate Designations
 2003 GP31 = 2005 UW261 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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