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187855 (2000 GP4)
Classification: Inner Main-belt Asteroid          SPK-ID: 2187855
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05381373006513011 5.806e-08  
a 1.914963603894924 6.7573e-09 au
q 1.811912269430374 1.1478e-07 au
i 21.28621213050442 5.9235e-06 deg
node 33.29836997731832 1.2032e-05 deg
peri 187.2511383908137 4.6716e-05 deg
M 275.0119735346975 4.5181e-05 deg
tp 2459429.004341927307
(2021-Aug-02.50434193)
0.00012175 TDB
period 967.9194413040642
2.65
5.1232e-06
1.403e-08
d
yr
n .3719317792759458 1.9686e-09 deg/d
Q 2.018014938359474 7.1209e-09 au
  Orbit Determination Parameters
   # obs. used (total)      406  
   data-arc span      7679 days (21.02 yr)  
   first obs. used      2000-04-04  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58959  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:15:21  

Additional Information
 Earth MOID = .804967 au 
 Jupiter MOID = 2.9463 au 
 T_jup = 3.846 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.16   n/a MPCxxxxx  

187855 (2000 GP4)          Discovered 2000-Apr-04 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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