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(2017 GP4)
Classification: Apollo [NEO]          SPK-ID: 3773757
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .553444130034012 0.0011074  
a 1.921444517797091 0.0043366 au
q .8580323282362582 0.00019356 au
i 2.832577245822024 0.005257 deg
node 352.9197852645149 0.007409 deg
peri 264.7379150149433 0.0094161 deg
M 341.5879899396278 0.069616 deg
tp 2457895.255248833150
(2017-May-21.75524883)
0.019711 TDB
period 972.8372687828057
2.66
3.2934
0.009017
d
yr
n .370051612486459 0.0012528 deg/d
Q 2.984856707357924 0.0067366 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .53191  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-10 07:08:54  

Additional Information
 Earth MOID = .0255598 au 
 Jupiter MOID = 2.10476 au 
 T_jup = 3.719 
[ 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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