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C/2014 S2 (PANSTARRS)
Classification: Comet          SPK-ID: 1003343
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2457397.5 (2016-Jan-10.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9876258640050614 1.8634e-06  
a 169.7607558409029 0.025655 au
q 2.100642679378906 1.2563e-06 au
i 64.6703699275772 1.1932e-05 deg
node 8.122244194633751 1.0383e-05 deg
peri 87.80660706220249 4.1623e-05 deg
M .01390390599652786 3.1713e-06 deg
tp 2457366.297549758568
(2015-Dec-09.79754976)		 8.4325e-05 TDB
period 807893.9896256953
2211.89		 183.14
0.5014		 d
yr
n .0004456030179984274 1.0101e-07 deg/d
Q 337.4208690024268 0.050993 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 7.687398854948842E-8 2.045E-9
A2 [EST] 1.975634159693008E-8 1.317E-9
A3 [EST] -1.196079239403456E-8 9.269E-10
   Orbit Determination Parameters
   # obs. used (total)      2941  
   data-arc span      942 days (2.58 yr)  
   first obs. used      2014-09-02  
   last obs. used      2017-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   norm. resid. RMS      .59789  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-May-06 22:16:56  

Additional Information
 Earth MOID = 1.76753 au 
 Jupiter MOID = .582633 au 
 T_jup = 0.797 
[ hide covariance matrix ]
Orbit Covariance (9×9)
  e q tp node peri i A1 A2 A3
e 3.472213540741016E-12 2.111999266898635E-12 8.033654497380145E-11 -6.318973446754609E-12 4.578634462127889E-11 1.382347972563991E-11 -3.12208224134136E-15 -7.869744056132563E-18 -9.190996766976075E-16
q 2.111999266898635E-12 1.578320890895496E-12 6.918765042985849E-11 -3.68921745756296E-12 4.039703313034923E-11 1.017991309855901E-11 -2.389830387757412E-15 -3.859787950223407E-16 -6.336206078409322E-16
tp 8.033654497380145E-11 6.918765042985849E-11 7.110775013296905E-9 -4.003389193816014E-11 3.328511605461266E-9 4.050370708749416E-10 -1.158474098845395E-13 -1.691847472629809E-14 -2.216549595910478E-14
node -6.318973446754609E-12 -3.68921745756296E-12 -4.003389193816014E-11 1.077966890350803E-10 -7.623421257161656E-11 -4.861898108508066E-11 4.699422616292132E-15 -8.549530661177876E-16 3.816962372034886E-15
peri 4.578634462127889E-11 4.039703313034923E-11 3.328511605461266E-9 -7.623421257161656E-11 1.732466170433818E-9 2.536505299922733E-10 -6.742189276368658E-14 -1.95739526445863E-14 -1.436629241597244E-14
i 1.382347972563991E-11 1.017991309855901E-11 4.050370708749416E-10 -4.861898108508066E-11 2.536505299922733E-10 1.423669474931025E-10 -1.496722833402317E-14 -2.199201304625787E-15 -8.436768714591069E-15
A1 -3.12208224134136E-15 -2.389830387757412E-15 -1.158474098845395E-13 4.699422616292132E-15 -6.742189276368658E-14 -1.496722833402317E-14 4.181675853971886E-18 8.873846849511086E-19 8.670774532054722E-19
A2 -7.869744056132563E-18 -3.859787950223407E-16 -1.691847472629809E-14 -8.549530661177876E-16 -1.95739526445863E-14 -2.199201304625787E-15 8.873846849511086E-19 1.735487977254209E-18 6.647646087097057E-20
A3 -9.190996766976075E-16 -6.336206078409322E-16 -2.216549595910478E-14 3.816962372034886E-15 -1.436629241597244E-14 -8.436768714591069E-15 8.670774532054722E-19 6.647646087097057E-20 8.591053613966605E-19

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 5.1   2. 37 from 241 observations, assumed slope, autocmod 2.6i
comet total magnitude slope K1 15.   n/a 37 autocmod 2.6i
comet nuclear magnitude M2 10.4   0.9 37 from 2443 observations, autocmod 2.6i
comet nuclear magnitude slope K2 5.   n/a 37 autocmod 2.6i
comet nuclear phase coefficient PC 0.03   n/a 37 autocmod 2.6i

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2017-Jan-26 15:02 < 00:01 Jupiter 0.867808557142348 0.867797884171181 0.86781923012269 19.8406575985685 19.7914021386502 2457780.126062888 0.289602755232201 555.64091357195 251.714693893782 -18.6255843395362 313533.450344803 T 37 CATAB v2.0e-lin.ifort 2017-Nov-30 19:10:30 2017-Nov-30 19:10

Alternate Designations
 Perihelion 
Year (est.)		  New-Style 
Desig		 Roman
 Numeral 		 Year/
 Letter 
 2015.9   C/2014 S2       
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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