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JPL Small-Body Database Browser
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(2019 YB4)
Classification: Apollo [NEO]          SPK-ID: 3959223
[ 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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1925334976408277 0.00022073  
a 1.001903326631479 4.5429e-05 au
q .8090033748571396 0.00018504 au
i .4373094756079384 0.0005048 deg
node 337.8049359137526 0.023111 deg
peri 221.2568675962722 0.026105 deg
M 38.53715185783038 0.036499 deg
tp 2458561.288426667036
(2019-Mar-18.78842667)		 0.039804 TDB
period 366.3001991414332
1.00		 0.024913
6.821e-05		 d
yr
n .9828004484949773 6.6844e-05 deg/d
Q 1.194803278405818 5.4175e-05 au
   Orbit Determination Parameters
   # obs. used (total)      37  
   data-arc span      4 days  
   first obs. used      2019-12-29  
   last obs. used      2020-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .40601  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-02 06:17:03  

Additional Information
 Earth MOID = .00435825 au 
 Jupiter MOID = 3.76236 au 
 T_jup = 6.055 
[ 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 26.8   .42777 E2020A27 autocmod 2.8

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