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JPL Small-Body Database Browser
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(2019 SJ4)
Classification: Apollo [NEO]          SPK-ID: 3856711
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458752.5 (2019-Sep-26.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .527227461085939 0.0042277  
a 1.714633878124291 0.013252 au
q .8106318118688836 0.00098592 au
i 6.812018740952485 0.042657 deg
node 174.2871517907038 0.016441 deg
peri 117.2615921274374 0.011111 deg
M 23.12217023712567 0.31996 deg
tp 2458699.827780259933
(2019-Aug-04.32778026)
0.11855 TDB
period 820.0786912284796
2.25
9.5074
0.02603
d
yr
n .4389822633492881 0.0050892 deg/d
Q 2.618635944379698 0.020239 au
  Orbit Determination Parameters
   # obs. used (total)      14  
   data-arc span      1 day  
   first obs. used      2019-09-25  
   last obs. used      2019-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .37962  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-26 23:12:08  

Additional Information
 Earth MOID = .00228488 au 
 Jupiter MOID = 2.63081 au 
 T_jup = 4.003 
[ 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 25.758   .21413 1 autocmod 2.8

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