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(2017 TL4)
Classification: Apollo [NEO]          SPK-ID: 3785774
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3221725374980416 0.00028935  
a 1.296982368703957 0.00049555 au
q .879130267888383 3.9389e-05 au
i 15.09682284155345 0.011501 deg
node 207.984217035693 0.00060652 deg
peri 249.5369043790682 0.0095664 deg
M 11.40639238637489 0.41562 deg
tp 2459183.405935354738
(2020-Nov-29.90593535)
0.61307 TDB
period 539.5100452308715
1.48
0.30921
0.0008466
d
yr
n .6672720984202359 0.00038243 deg/d
Q 1.714834469519532 0.00065521 au
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      16 days  
   first obs. used      2017-10-11  
   last obs. used      2017-10-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .42413  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 19:53:17  

Additional Information
 Earth MOID = .0348498 au 
 Jupiter MOID = 3.54343 au 
 T_jup = 4.925 
[ 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 MPO435139  

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