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JPL Small-Body Database Browser
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(2017 GP4)
Classification: Apollo [NEO]          SPK-ID: 3773757
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


Orbital Elements at Epoch 2457845.5 (2017-Apr-02.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5539985506251732 0.0011095  
a 1.923603806592908 0.0043561 au
q .857930085763371 0.0001938 au
i 2.835014762602596 0.0052661 deg
node 352.9214095010877 0.0074136 deg
peri 264.738710388878 0.009416 deg
M 341.6224689662761 0.069706 deg
tp 2457895.245812962237
(2017-May-21.74581296)
0.019737 TDB
period 974.4776179967877
2.67
3.3101
0.009063
d
yr
n .3694287004149404 0.0012549 deg/d
Q 2.989277527422445 0.0067693 au
  Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      3 days  
   first obs. used      2017-04-01  
   last obs. used      2017-04-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .5186  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 18:59:33  

Additional Information
 Earth MOID = .0255811 au 
 Jupiter MOID = 2.10044 au 
 T_jup = 3.716 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.1   n/a MPO438036  

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