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C/2014 Y1 (PANSTARRS)
Classification: Hyperbolic Comet          SPK-ID: 1003365
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457131.5 (2015-Apr-19.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.002103296016681 1.4034e-05  
a -1065.45922931295 7.1084 au
q 2.240976152949842 7.8726e-06 au
i 14.92128860669347 2.0985e-05 deg
node 19.51642360791671 0.00014758 deg
peri 182.2659694463042 0.00038376 deg
M -.007755327911952872 7.7595e-05 deg
tp 2457405.153713003194
(2016-Jan-17.65371300)
0.00091764 TDB
period n/a
n/a
n/a
n/a
d
yr
n 2.83399330739662E-5 2.8361e-07 deg/d
Q n/a n/a au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.525452113135511E-8 1.636E-8
A2 [EST] -2.960312462656388E-8 2.936E-8
  Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      559 days (1.53 yr)  
   first obs. used      2014-11-17  
   last obs. used      2016-05-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   norm. resid. RMS      .67527  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:05  

Additional Information
 Earth MOID = 1.23865 au 
 Jupiter MOID = 1.27442 au 
[ hide covariance matrix ]
Orbit Covariance (8×8)
  e q tp node peri i A1 A2
e 1.969616415932451E-10 2.796351269318713E-11 -8.073439750713699E-9 1.503757882039191E-10 -2.860474929021682E-9 1.890523522721836E-10 -2.252840562338153E-14 -1.156821744834832E-13
q 2.796351269318713E-11 6.197761306362384E-11 -6.118803010650644E-9 2.327995149567891E-10 -2.63264573961467E-9 -2.9978827850555E-12 -1.151239569278148E-13 -3.211748146568178E-14
tp -8.073439750713699E-9 -6.118803010650644E-9 8.42054872821819E-7 -2.15976826232471E-8 3.150589080980601E-7 -4.585257991513293E-9 1.083914389829E-11 1.130680841436479E-11
node 1.503757882039191E-10 2.327995149567891E-10 -2.15976826232471E-8 2.178096124149096E-8 -3.020254455705347E-8 -1.053728607344414E-11 -2.578844205695172E-13 5.369552897233554E-13
peri -2.860474929021682E-9 -2.63264573961467E-9 3.150589080980601E-7 -3.020254455705347E-8 1.472736515526526E-7 -1.488934394119652E-9 4.500361239272967E-12 2.166463881303358E-12
i 1.890523522721836E-10 -2.9978827850555E-12 -4.585257991513293E-9 -1.053728607344414E-11 -1.488934394119652E-9 4.40375033330643E-10 4.270931129094944E-14 -5.092008823819648E-14
A1 -2.252840562338153E-14 -1.151239569278148E-13 1.083914389829E-11 -2.578844205695172E-13 4.500361239272967E-12 4.270931129094944E-14 2.677968609230215E-16 1.99932991471319E-16
A2 -1.156821744834832E-13 -3.211748146568178E-14 1.130680841436479E-11 5.369552897233554E-13 2.166463881303358E-12 -5.092008823819648E-14 1.99932991471319E-16 8.620231552446562E-16

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 12.8   01. 27 2 parameter fit from 142 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 27 autocmod 2.9c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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