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JPL Small-Body Database Browser
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(2019 SY4)
Classification: Amor [NEO]          SPK-ID: 3856734
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6066470932647966 0.00044315  
a 2.625762106753387 0.0030038 au
q 1.032851157086596 1.7967e-05 au
i 4.566919571687163 0.002236 deg
node 352.3685102807047 0.0017606 deg
peri 354.5184484157904 0.00055661 deg
M 327.532691810806 0.055703 deg
tp 2458740.660382643242
(2019-Sep-14.16038264)
0.00011955 TDB
period 1554.109058180588
4.25
2.6668
0.007301
d
yr
n .2316439751155275 0.0003975 deg/d
Q 4.218673056420178 0.0048261 au
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      27 days  
   first obs. used      2019-09-22  
   last obs. used      2019-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .49837  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-20 06:04:05  

Additional Information
 Earth MOID = .0265533 au 
 Jupiter MOID = 1.21239 au 
 T_jup = 3.108 
[ 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 24.702   .26035 5 autocmod 2.8

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