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JPL Small-Body Database Browser
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154191 (2002 GP129)
Classification: Main-belt Asteroid          SPK-ID: 2154191
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 .04249493355800096 4.4081e-08  
a 2.909201992130311 2.5723e-08 au
q 2.785575646767929 1.3429e-07 au
i 1.769378055719864 5.1158e-06 deg
node 330.7157683758975 0.00017243 deg
peri 175.6422516613211 0.00018486 deg
M 284.7626691396723 6.755e-05 deg
tp 2459379.282687028722
(2021-Jun-13.78268703)
0.00034153 TDB
period 1812.421649878635
4.96
2.4038e-05
6.581e-08
d
yr
n .1986292759326212 2.6344e-09 deg/d
Q 3.032828337492692 2.6816e-08 au
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      9240 days (25.30 yr)  
   first obs. used      1994-10-11  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60781  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:30:52  

Additional Information
 Earth MOID = 1.79703 au 
 Jupiter MOID = 1.95361 au 
 T_jup = 3.282 
[ 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 16.0   n/a MPO454000  

154191 (2002 GP129)          Discovered 2002-Apr-12 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2002 GP129 = 1997 GS13 = 2004 TH26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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