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(2017 AP4)
Classification: Apollo [NEO]          SPK-ID: 3766337
[ 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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .534394597245388 5.7487e-05  
a 2.072176748800692 0.00024311 au
q .9648166897040887 5.9315e-06 au
i 1.479168051038556 0.0010658 deg
node 292.3589474370885 0.074654 deg
peri 150.4537278644451 0.078616 deg
M 56.12973226574506 0.073398 deg
tp 2458830.625148043019
(2019-Dec-13.12514804)		 0.19224 TDB
period 1089.528565983113
2.98		 0.19174
0.000525		 d
yr
n .3304181379357975 5.8148e-05 deg/d
Q 3.179536807897295 0.00037303 au
   Orbit Determination Parameters
   # obs. used (total)      24  
   data-arc span      29 days  
   first obs. used      2017-01-04  
   last obs. used      2017-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .5008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-22 06:44:26  

Additional Information
 Earth MOID = .00465696 au 
 Jupiter MOID = 2.09361 au 
 T_jup = 3.577 
[ 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 26.9   n/a MPO394979  

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