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C/2016 M1 (PANSTARRS)
Classification: Comet          SPK-ID: 1003469
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

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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 2458099.5 (2017-Dec-12.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9990088009485213 1.4622e-06  
a 2230.119760044558 3.2909 au
q 2.210492590840091 1.4086e-06 au
i 90.99335267684782 7.3558e-06 deg
node 92.20433781353202 8.7051e-06 deg
peri 209.8269873405108 6.0273e-05 deg
M 359.997742861469 4.9973e-06 deg
tp 2458340.682848081976
(2018-Aug-10.18284808)
0.00013286 TDB
period 38467211.52287335
105317.49
85146
233.1
d
yr
n 9.35861960740089E-6 2.0715e-08 deg/d
Q 4458.029027498276 6.5785 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 4.117296294990787E-8 1.978E-9
A2 [EST] -1.218356342711308E-8 1.105E-9
  Orbit Determination Parameters
   # obs. used (total)      3404  
   data-arc span      1560 days (4.27 yr)  
   first obs. used      2016-06-22  
   last obs. used      2020-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .47109  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-18 17:45:54  

Additional Information
 Earth MOID = 1.28765 au 
 Jupiter MOID = 2.80714 au 
 T_jup = -0.030 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 8.3   0.9 40 2 parameter fit from 988 observations, autocmod 2.8
comet total magnitude slope K1 6.75   n/a 40 autocmod 2.8
comet nuclear magnitude M2 10.0   0.5 40 from 2146 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 40 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 40 autocmod 2.8

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2018.6   C/2016 M1       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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