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JPL Small-Body Database Browser
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(2017 HP3)
Classification: Apollo [NEO, PHA]          SPK-ID: 3774091
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 .4159689398152634 3.5473e-06  
a 1.454352057979902 6.6399e-06 au
q .8493867743038557 1.2919e-06 au
i 23.74957482007002 0.00018372 deg
node 54.52735543728821 4.3523e-05 deg
peri 236.200892019549 9.0231e-05 deg
M 242.8693808398728 0.0040927 deg
tp 2459208.935020720659
(2020-Dec-25.43502072)
0.0087104 TDB
period 640.6233314352754
1.75
0.0043872
1.201e-05
d
yr
n .5619526831678814 3.8484e-06 deg/d
Q 2.059317341655948 9.4019e-06 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      210 days  
   first obs. used      2017-04-22  
   last obs. used      2017-11-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .33998  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Nov-19 06:19:54  

Additional Information
 Earth MOID = .0277415 au 
 Jupiter MOID = 3.24548 au 
 T_jup = 4.458 
[ 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 21.5   n/a MPO425558  

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