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C/2017 M5 (TOTAS)
Classification: Hyperbolic Comet          SPK-ID: 1003525
Ephemeris | Orbit Diagram | Orbital Elements | 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.


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Orbital Elements at Epoch 2458226.5 (2018-Apr-18.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.003731051226821 1.1226e-05  
a -1605.33049974238 4.8276 au
q 5.989570330516875 9.7581e-06 au
i 15.88484472862175 1.3689e-05 deg
node 216.2633465070739 0.00011787 deg
peri 92.65710872597593 0.00017519 deg
M -.0007039777951233083 3.1722e-06 deg
tp 2458272.441119333483
(2018-Jun-02.94111933)
0.001437 TDB
period n/a
n/a
n/a
n/a
d
yr
n 1.532347938702121E-5 6.9122e-08 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      457  
   data-arc span      1366 days (3.74 yr)  
   first obs. used      2016-03-06  
   last obs. used      2019-12-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .63794  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-06 07:15:09  

Additional Information
 Earth MOID = 5.02016 au 
 Jupiter MOID = 1.80375 au 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 6.8   0.6 20 from 295 observations, assumed slope, autocmod 2.8
comet total magnitude slope K1 10.5   n/a 20 autocmod 2.8
comet nuclear magnitude M2 11.1   0.8 20 from 131 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 20 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 20 autocmod 2.8

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