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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6073355365877499 0.00044239  
a 2.630182464874214 0.0030097 au
q 1.032779186246143 1.8256e-05 au
i 4.563819448073038 0.0022412 deg
node 352.3206289766841 0.0017293 deg
peri 354.6194984754746 0.00065486 deg
M 106.2260926828125 0.18232 deg
tp 2458740.766712693132
(2019-Sep-14.26671269)
0.00012054 TDB
period 1558.035123485731
4.27
2.6743
0.007322
d
yr
n .2310602595367594 0.0003966 deg/d
Q 4.227585743502285 0.0048376 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 = .0256331 au 
 Jupiter MOID = 1.20805 au 
 T_jup = 3.104 
[ 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 24.7   .26035 MPO504270 autocmod 2.8

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