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JPL Small-Body Database Browser
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(2019 SR8)
Classification: Apollo [NEO]          SPK-ID: 3872645
[ 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 2458754.5 (2019-Sep-28.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5092333272364209 0.0025675  
a 1.782984816578596 0.008332 au
q .8750295260202577 0.00048887 au
i 1.149729923332214 0.0045737 deg
node 74.54878536817806 0.095643 deg
peri 353.1389917336062 0.086518 deg
M 338.2764806927423 0.16634 deg
tp 2458806.974411618035
(2019-Nov-19.47441162)		 0.034058 TDB
period 869.6007269955221
2.38		 6.0955
0.01669		 d
yr
n .4139830945677829 0.0029019 deg/d
Q 2.690940107136933 0.012575 au
   Orbit Determination Parameters
   # obs. used (total)      12  
   data-arc span      5 days  
   first obs. used      2019-09-26  
   last obs. used      2019-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .72187  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-01 05:12:03  

Additional Information
 Earth MOID = .0130259 au 
 Jupiter MOID = 2.64112 au 
 T_jup = 3.926 
[ 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 25.5   .28557 MPO492730 autocmod 2.8

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