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C/2017 M5 (TOTAS)
Classification: Hyperbolic Comet          SPK-ID: 1003525
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458231.5 (2018-Apr-23.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.003738424816829 1.1158e-05  
a -1602.16332904006 4.7793 au
q 5.989567149896836 9.5928e-06 au
i 15.88484346797461 1.3641e-05 deg
node 216.2632680339553 0.00011595 deg
peri 92.65746273893599 0.00017015 deg
M -.0006292651289358208 2.8129e-06 deg
tp 2458272.443953250222
(2018-Jun-02.94395325)
0.0013838 TDB
period n/a
n/a
n/a
n/a
d
yr
n 1.536893922016211E-5 6.8769e-08 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      1366 days (3.74 yr)  
   first obs. used      2016-03-06  
   last obs. used      2019-12-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .63688  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:35  

Additional Information
 Earth MOID = 5.02134 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 6.6   0.6 22 from 299 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 10.75   n/a 22 autocmod 2.9c
comet nuclear magnitude M2 11.1   0.8 22 from 131 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 22 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 22 autocmod 2.9c

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