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(1991 TK16)
Classification: Main-belt Asteroid          SPK-ID: 3247069
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1529785865447597 1.0029e-07  
a 2.581010489265638 2.6127e-08 au
q 2.186171152760582 2.5329e-07 au
i 5.960056999896784 8.5075e-06 deg
node 72.81917660931875 6.6573e-05 deg
peri 317.273035565046 7.0566e-05 deg
M 329.8024576950273 2.395e-05 deg
tp 2459127.543420683247
(2020-Oct-05.04342068)
0.0001014 TDB
period 1514.548137198488
4.15
2.2997e-05
6.296e-08
d
yr
n .2376946570122918 3.6092e-09 deg/d
Q 2.975849825770694 3.0124e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      9693 days (26.54 yr)  
   first obs. used      1991-10-06  
   last obs. used      2018-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67548  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-23 02:00:50  

Additional Information
 Earth MOID = 1.1964 au 
 Jupiter MOID = 2.46172 au 
 T_jup = 3.400 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO393276  

Alternate Designations
 1991 TK16 = 2016 XN4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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