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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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9876262546848744 1.8634e-06  
a 169.7661182744818 0.025657 au
q 2.100642710665925 1.2563e-06 au
i 64.67038058837301 1.1932e-05 deg
node 8.122248442298307 1.0383e-05 deg
peri 87.80660986760738 4.1623e-05 deg
M .01390323890189547 3.1712e-06 deg
tp 2457366.297568435232
(2015-Dec-09.79756844)		 8.4325e-05 TDB
period 807932.2697810414
2212.00		 183.16
0.5015		 d
yr
n .0004455819051485145 1.0101e-07 deg/d
Q 337.4315938382977 0.050997 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 7.685285841777871E-8 2.045E-9
A2 [EST] 2.036945314567376E-8 1.317E-9
A3 [EST] -1.184652223832259E-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .5984  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:00  

Additional Information
 Earth MOID = 1.76753 au 
 Jupiter MOID = .582632 au 
 T_jup = 0.797 
[ hide covariance matrix ]
Orbit Covariance (9×9)
  e q tp node peri i A1 A2 A3
e 3.472214832416529E-12 2.111999377648774E-12 8.033647034186141E-11 -6.318970122121711E-12 4.578631043397025E-11 1.382347870807738E-11 -3.122082708003571E-15 -7.865370066143461E-18 -9.19099010203174E-16
q 2.111999377648774E-12 1.578320607447861E-12 6.918759656923638E-11 -3.689214710160019E-12 4.039700698257408E-11 1.017991054787689E-11 -2.389830315188665E-15 -3.859758645800739E-16 -6.336199363438825E-16
tp 8.033647034186141E-11 6.918759656923638E-11 7.110768641411676E-9 -4.003374844322513E-11 3.328508707823311E-9 4.050366819858406E-10 -1.158473543760339E-13 -1.691835702524885E-14 -2.216545288096384E-14
node -6.318970122121711E-12 -3.689214710160019E-12 -4.003374844322513E-11 1.077966321195169E-10 -7.623410169245645E-11 -4.861894895572906E-11 4.699418965732751E-15 -8.549612520706123E-16 3.816959277374204E-15
peri 4.578631043397025E-11 4.039700698257408E-11 3.328508707823311E-9 -7.623410169245645E-11 1.732464804848362E-9 2.536503296465266E-10 -6.7421868041131E-14 -1.957388402077403E-14 -1.436626739929521E-14
i 1.382347870807738E-11 1.017991054787689E-11 4.050366819858406E-10 -4.861894895572906E-11 2.536503296465266E-10 1.423669232606505E-10 -1.496722638454166E-14 -2.19918068171733E-15 -8.436764102392761E-15
A1 -3.122082708003571E-15 -2.389830315188665E-15 -1.158473543760339E-13 4.699418965732751E-15 -6.7421868041131E-14 -1.496722638454166E-14 4.181676314795304E-18 8.873806944436025E-19 8.670765912293488E-19
A2 -7.865370066143461E-18 -3.859758645800739E-16 -1.691835702524885E-14 -8.549612520706123E-16 -1.957388402077403E-14 -2.19918068171733E-15 8.873806944436025E-19 1.735487172210653E-18 6.647499195599716E-20
A3 -9.19099010203174E-16 -6.336199363438825E-16 -2.216545288096384E-14 3.816959277374204E-15 -1.436626739929521E-14 -8.436764102392761E-15 8.670765912293488E-19 6.647499195599716E-20 8.591048839400744E-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 6.0   2. 38 from 237 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 13.25   n/a 38 autocmod 2.9c
comet nuclear magnitude M2 10.4   0.9 38 from 2443 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 38 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 38 autocmod 2.9c

[ 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 15:01 < 00:01 Jupiter 0.867807178249017 0.867796505277495 0.867817851229665 19.8406658346967 19.7914103171869 2457780.126016426 0.863673027774689 555.531154738329 251.660537010766 -18.5787073817411 313545.348730377 T 38 CATAB v2.0g-lin.ifort 2021-Apr-15 23:33:10 2021-Apr-15 23:33

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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