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(2016 SR2)
Classification: Apollo [NEO]          SPK-ID: 3759756
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2054307735524096 1.1582e-07  
a 1.061485367313023 3.4306e-08 au
q .8434236071913451 9.5825e-08 au
i 4.070862195164316 4.6168e-06 deg
node 13.96308080944821 8.01e-06 deg
peri 85.29959159057952 1.0001e-05 deg
M 238.8177595814031 5.9024e-05 deg
tp 2459334.963967431999
(2021-Apr-30.46396743)
7.1996e-05 TDB
period 399.4564558990517
1.09
1.9365e-05
5.302e-08
d
yr
n .9012246383394968 4.369e-08 deg/d
Q 1.279547127434701 4.1353e-08 au
  Orbit Determination Parameters
   # obs. used (total)      86  
   data-arc span      560 days (1.53 yr)  
   first obs. used      2016-09-25  
   last obs. used      2018-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .33638  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 17:43:08  

Additional Information
 Earth MOID = 7.21306E-5 au 
 Jupiter MOID = 3.83334 au 
 T_jup = 5.784 
[ 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 26.2   n/a E2016-TE9  

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