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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 2458230.5 (2018-Apr-22.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.003734488616348 1.1254e-05  
a -1603.852072991892 4.8309 au
q 5.989567308894287 9.7827e-06 au
i 15.88484317680695 1.3703e-05 deg
node 216.2632920877142 0.00011916 deg
peri 92.65733714410383 0.00017778 deg
M -.0006435991432720506 2.9047e-06 deg
tp 2458272.442841390733
(2018-Jun-02.94284139)
0.0014594 TDB
period n/a
n/a
n/a
n/a
d
yr
n 1.534467198529496E-5 6.9328e-08 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      455  
   data-arc span      1281 days (3.51 yr)  
   first obs. used      2016-05-30  
   last obs. used      2019-12-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .63557  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-08 14:18:19  

Additional Information
 Earth MOID = 5.02111 au 
 Jupiter MOID = 1.80376 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 5.6   0.6 19 from 293 observations, assumed slope, autocmod 2.8
comet total magnitude slope K1 12.   n/a 19 autocmod 2.8
comet nuclear magnitude M2 11.1   0.8 19 from 131 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 19 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 19 autocmod 2.8

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