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(2018 TF2)
Classification: Apollo [NEO]          SPK-ID: 3831219
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4200655122298028 0.0005303  
a 1.703534964394467 0.0015682 au
q .9879386769747266 6.225e-06 au
i 16.23049471263346 0.013476 deg
node 13.2691866401062 0.00015072 deg
peri 27.00232423914173 0.0062226 deg
M 345.471074359121 0.47218 deg
tp 2459233.276004059480
(2021-Jan-18.77600406)
1.1105 TDB
period 812.1289731302533
2.22
1.1214
0.00307
d
yr
n .4432793459053965 0.00061209 deg/d
Q 2.419131251814207 0.0022269 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      3 days  
   first obs. used      2018-10-06  
   last obs. used      2018-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .63649  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-10 06:26:06  

Additional Information
 Earth MOID = .0188343 au 
 Jupiter MOID = 3.06019 au 
 T_jup = 4.052 
[ 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 26.6   .24301 MPO458802 autocmod 2.6n

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