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JPL Small-Body Database Browser
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(2018 TD2)
Classification: Aten [NEO]          SPK-ID: 3831218
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4155098758999086 0.0015279  
a .8431317661588854 0.00014979 au
q .4928021906349361 0.0013757 au
i 10.53909952935443 0.059993 deg
node 193.1527926775281 0.00067207 deg
peri 323.7143292362672 0.010853 deg
M 84.28308532640816 0.49501 deg
tp 2459330.296716496012
(2021-Apr-25.79671650)
0.37119 TDB
period 282.7753868897356
0.77
0.075359
0.0002063
d
yr
n 1.273095243400293 0.00033928 deg/d
Q 1.193461341682835 0.00021204 au
  Orbit Determination Parameters
   # obs. used (total)      16  
   data-arc span      5 days  
   first obs. used      2018-10-05  
   last obs. used      2018-10-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .29396  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:43:16  

Additional Information
 Earth MOID = .0211909 au 
 Jupiter MOID = 3.79992 au 
 T_jup = 6.891 
[ 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 26.5   .43135 MPO458802 autocmod 2.6n

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