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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5342756503171951 5.734e-05  
a 2.071802364150821 0.00024649 au
q .964888808715439 4.0049e-06 au
i 1.450959296590974 0.00012693 deg
node 293.4003536284792 0.00013187 deg
peri 149.5285256565725 0.00026133 deg
M 283.9033265032383 0.050976 deg
tp 2458830.741753912033
(2019-Dec-13.24175391)		 0.19533 TDB
period 1089.233308100639
2.98		 0.19438
0.0005322		 d
yr
n .3305077042013648 5.8982e-05 deg/d
Q 3.178715919586204 0.00037818 au
   Orbit Determination Parameters
   # obs. used (total)      23  
   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      .51177  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:21:09  

Additional Information
 Earth MOID = .00503871 au 
 Jupiter MOID = 2.09381 au 
 T_jup = 3.578 
[ 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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