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C/2016 A8 (LINEAR)
Classification: Comet          SPK-ID: 1003440
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457611.5 (2016-Aug-11.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9463451853440923 1.6197e-05  
a 35.05983809493279 0.01062 au
q 1.881129114849751 1.9535e-06 au
i 148.2118364728456 1.3819e-05 deg
node 111.2321643992461 6.5548e-05 deg
peri 130.2653014910948 5.7003e-05 deg
M 359.9066134305596 4.1962e-05 deg
tp 2457631.169585464461
(2016-Aug-30.66958546)
0.0001344 TDB
period 75825.15140702574
207.60
34.451
0.09432
d
yr
n .004747765000395943 2.1572e-06 deg/d
Q 68.23854707501582 0.02067 au
  Orbit Determination Parameters
   # obs. used (total)      1422  
   data-arc span      416 days (1.14 yr)  
   first obs. used      2016-01-14  
   last obs. used      2017-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .5396  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:22  

Additional Information
 Earth MOID = .993517 au 
 Jupiter MOID = 1.01556 au 
 T_jup = -1.278 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 2.623526808252891E-10 3.112539997915429E-11 1.60448297248756E-9 -9.333538269841204E-10 -8.740702128732145E-11 -4.878195011202465E-11
q 3.112539997915429E-11 3.816018551497565E-12 1.795359946607153E-10 -1.1330606326335E-10 -1.854616418761029E-11 -6.189936427980479E-12
tp 1.60448297248756E-9 1.795359946607153E-10 1.806205207438595E-8 -5.302366049390502E-9 3.996948784031739E-9 -3.203711106949532E-10
node -9.333538269841204E-10 -1.1330606326335E-10 -5.302366049390502E-9 4.296602790614923E-9 1.350207175687735E-9 -1.587842472778333E-10
peri -8.740702128732145E-11 -1.854616418761029E-11 3.996948784031739E-9 1.350207175687735E-9 3.249315131461209E-9 -2.722733960857184E-10
i -4.878195011202465E-11 -6.189936427980479E-12 -3.203711106949532E-10 -1.587842472778333E-10 -2.722733960857184E-10 1.909682711305424E-10

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 10.4   0.5 18 2 parameter fit from 278 observations, autocmod 2.9c
comet total magnitude slope K1 13.75   n/a 18 autocmod 2.9c
comet nuclear magnitude M2 13.9   0.6 18 from 1069 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 18 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 18 autocmod 2.9c

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2016.7   C/2016 A8       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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