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(2015 TH145)
Classification: Apollo [NEO, PHA]          SPK-ID: 3729846
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7164045306294842 1.0971e-07  
a 2.970925108877784 6.5569e-08 au
q .842540900716846 3.1101e-07 au
i 12.78728037535049 2.0053e-05 deg
node 351.8713406631693 7.1229e-05 deg
peri 128.9527484163029 6.2519e-05 deg
M 349.3764145219474 1.4925e-05 deg
tp 2459255.695617843400
(2021-Feb-10.19561784)
7.9328e-05 TDB
period 1870.406414545671
5.12
6.1921e-05
1.695e-07
d
yr
n .1924715383781687 6.3719e-09 deg/d
Q 5.099309317038722 1.1254e-07 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      1967 days (5.39 yr)  
   first obs. used      2015-10-10  
   last obs. used      2021-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3879  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-27 05:51:02  

Additional Information
 Earth MOID = .00140933 au 
 Jupiter MOID = .670157 au 
 T_jup = 2.780 
[ 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 20.23   n/a E2021D90  

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