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JPL Small-Body Database Browser
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C/2015 V2 (Johnson)
Classification: Hyperbolic Comet          SPK-ID: 1003415
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 2457771.5 (2017-Jan-18.0) TDB
Reference: JPL 53 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.001702846004676 7.5632e-07  
a -961.302420156157 0.42681 au
q 1.636949985448245 5.5523e-07 au
i 49.87480898168563 6.0853e-06 deg
node 69.85209858965102 8.4709e-06 deg
peri 164.8980781734215 2.9306e-05 deg
M -.004806415877941709 3.1997e-06 deg
tp 2457916.847419366875
(2017-Jun-12.34741937)
4.5478e-05 TDB
period n/a
n/a
n/a
n/a
d
yr
n 3.306846381503146E-5 2.2023e-08 deg/d
Q n/a n/a au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 2.286714636607916E-8 4.056E-10
A2 [EST] -4.439976970906909E-9 3.267E-10
A3 [EST] -4.37470226177812E-9 1.784E-10
  Orbit Determination Parameters
   # obs. used (total)      5882  
   data-arc span      1750 days (4.79 yr)  
   first obs. used      2015-01-11  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .41296  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:49:39  

Additional Information
 Earth MOID = .642464 au 
 Jupiter MOID = 3.349 au 
[ hide covariance matrix ]
Orbit Covariance (9×9)
  e q tp node peri i A1 A2 A3
e 5.72014544150835E-13 1.993418212464997E-13 -2.99091340039145E-11 -4.162823184486708E-13 -1.762185938381599E-11 1.025149258612086E-12 -3.399280895472981E-17 -1.398639321582121E-16 -2.010332859364303E-18
q 1.993418212464997E-13 3.082855998036135E-13 -5.624824018894167E-12 1.01132195464259E-12 -1.348413039130461E-11 1.869516578947072E-12 -1.891595083608482E-16 5.086480776692722E-17 -3.699346038738003E-17
tp -2.99091340039145E-11 -5.624824018894167E-12 2.068226867094282E-9 6.163413111843704E-11 9.111137140017432E-10 -1.660058813322195E-12 -3.516723222698938E-15 1.176843264532744E-14 -9.325623640992402E-16
node -4.162823184486708E-13 1.01132195464259E-12 6.163413111843704E-11 7.175577075015925E-11 -6.034068426866147E-11 -8.039151945591406E-12 -9.292355225016569E-16 7.296285117987363E-16 -1.127404064555865E-15
peri -1.762185938381599E-11 -1.348413039130461E-11 9.111137140017432E-10 -6.034068426866147E-11 8.588571990812561E-10 -6.076780470411881E-11 6.280209259447142E-15 1.738327282739791E-15 1.69524249082896E-15
i 1.025149258612086E-12 1.869516578947072E-12 -1.660058813322195E-12 -8.039151945591406E-12 -6.076780470411881E-11 3.70305710972349E-11 -1.236074819756657E-15 5.020919982929944E-16 -1.260759014360331E-16
A1 -3.399280895472981E-17 -1.891595083608482E-16 -3.516723222698938E-15 -9.292355225016569E-16 6.280209259447142E-15 -1.236074819756657E-15 1.645111850917124E-19 -8.955978005246701E-20 2.679168232918508E-20
A2 -1.398639321582121E-16 5.086480776692722E-17 1.176843264532744E-14 7.296285117987363E-16 1.738327282739791E-15 5.020919982929944E-16 -8.955978005246701E-20 1.06763154174584E-19 -1.737243700329311E-20
A3 -2.010332859364303E-18 -3.699346038738003E-17 -9.325623640992402E-16 -1.127404064555865E-15 1.69524249082896E-15 -1.260759014360331E-16 2.679168232918508E-20 -1.737243700329311E-20 3.18108558939263E-20

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 7.5   1. 53 from 683 observations, assumed slope, autocmod 2.8
comet total magnitude slope K1 8.   n/a 53 autocmod 2.8
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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