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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.


Orbital Elements at Epoch 2458120.5 (2018-Jan-02.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9990302227773386 1.4621e-06  
a 2279.372506598103 3.4377 au
q 2.210483538859575 1.4014e-06 au
i 90.99349711729973 7.3516e-06 deg
node 92.20421017121755 8.6095e-06 deg
peri 209.8268735823827 6.0156e-05 deg
M 359.9980058398247 4.5124e-06 deg
tp 2458340.680535356348
(2018-Aug-10.18053536)
0.00013279 TDB
period 39748558.67021353
108825.62
89921
246.2
d
yr
n 9.056932176757747E-6 2.0489e-08 deg/d
Q 4556.534529657346 6.872 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 3.91851165051714E-8 1.952E-9
A2 [EST] -9.080101229620775E-9 9.828E-10
  Orbit Determination Parameters
   # obs. used (total)      3466  
   data-arc span      1671 days (4.57 yr)  
   first obs. used      2016-06-22  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .47855  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-30 21:12:40  

Additional Information
 Earth MOID = 1.28984 au 
 Jupiter MOID = 2.80703 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 44 2 parameter fit from 1040 observations, autocmod 2.8
comet total magnitude slope K1 6.75   n/a 44 autocmod 2.8
comet nuclear magnitude M2 10.0   0.5 44 from 2146 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 44 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 44 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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