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(2017 SR16)
Classification: Apollo [NEO]          SPK-ID: 3781900
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 2458024.5 (2017-Sep-28.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4488953818402936 0.0009781  
a 1.402071265089894 0.0022623 au
q .7726879491800627 0.00012462 au
i 26.39408502610396 0.042327 deg
node 4.212387563338028 0.0015945 deg
peri 281.8648654571663 0.041612 deg
M 33.54347110503462 0.11312 deg
tp 2457967.998619264795
(2017-Aug-02.49861926)
0.053793 TDB
period 606.3921351783074
1.66
1.4676
0.004018
d
yr
n .5936752459596847 0.0014369 deg/d
Q 2.031454580999726 0.0032778 au
  Orbit Determination Parameters
   # obs. used (total)      58  
   data-arc span      5 days  
   first obs. used      2017-09-26  
   last obs. used      2017-10-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .51359  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 19:37:21  

Additional Information
 Earth MOID = .0165154 au 
 Jupiter MOID = 3.47466 au 
 T_jup = 4.542 
[ 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 24.4   n/a MPO423870  

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