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289P/Blanpain
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000750
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2458679.5 (2019-Jul-15.0) TDB
Reference: JPL K192/7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6851211084947294 8.1363e-08  
a 3.045328518763871 6.9646e-07 au
q .9589096682577553 7.3524e-08 au
i 5.897394919082268 8.2943e-06 deg
node 68.92462865910687 8.9712e-05 deg
peri 9.847265516657052 9.0589e-05 deg
M 330.512951188892 1.1262e-05 deg
tp 2458838.493166626038
(2019-Dec-20.99316663)		 1.4853e-05 TDB
period 1941.107784371144
5.31		 0.00066589
1.823e-06		 d
yr
n .1854611077749237 6.3622e-08 deg/d
Q 5.131747369269986 1.1736e-06 au
   Orbit Determination Parameters
   # obs. used (total)      301  
   # delay obs. used      0  
   # Doppler obs. used      7  
   data-arc span      2446 days (6.70 yr)  
   first obs. used      2013-07-04  
   last obs. used      2020-03-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .49441  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2020-Mar-20 11:59:28  

Additional Information
 Earth MOID = .0157254 au 
 Jupiter MOID = .216786 au 
 T_jup = 2.817 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 6.619927828240638E-15 -3.071293471208631E-15 -5.918982029548215E-13 -5.958500563475899E-13 -3.096104898743316E-13 9.423516956858552E-14
q -3.071293471208631E-15 5.405822062054981E-15 8.128260647007993E-13 7.398453747254799E-13 4.67609277839224E-13 -6.081997974971097E-14
tp -5.918982029548215E-13 8.128260647007993E-13 2.206000693651592E-10 5.406297269098054E-12 2.944115205643706E-10 -3.221091369554497E-11
node -5.958500563475899E-13 7.398453747254799E-13 5.406297269098054E-12 8.048218203381806E-9 -7.915949073281128E-9 6.049448103652815E-10
peri -3.096104898743316E-13 4.67609277839224E-13 2.944115205643706E-10 -7.915949073281128E-9 8.206393080823717E-9 -6.438708676959936E-10
i 9.423516956858552E-14 -6.081997974971097E-14 -3.221091369554497E-11 6.049448103652815E-10 -6.438708676959936E-10 6.879622730929854E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 22.0   1. K192/7 2 parameter fit from 185 observations, autocmod 2.8
comet total magnitude slope K1 4.5   n/a K192/7 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year (est.)		  New-Style 
Desig		 Roman
 Numeral 		 Year/
 Letter 
 2004.0   289P/2003 WY25       
 1818.0   289P/1819 W1       
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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