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JPL Small-Body Database Browser
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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 ]

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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 2458626.5 (2019-May-23.0) TDB
Reference: JPL K192/4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6851008277600241 8.5382e-08  
a 3.045357949629843 7.0637e-07 au
q .9589806975128676 9.4588e-08 au
i 5.897417477175458 1.045e-05 deg
node 68.92506474566498 0.0001051 deg
peri 9.8437820649371 0.00010574 deg
M 320.6834391656736 1.4996e-05 deg
tp 2458838.496635068057
(2019-Dec-20.99663507)
1.6946e-05 TDB
period 1941.135923513135
5.31
0.00067537
1.849e-06
d
yr
n .1854584192890829 6.4526e-08 deg/d
Q 5.131735201746818 1.1903e-06 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   # delay obs. used      0  
   # Doppler obs. used      2  
   data-arc span      2405 days (6.58 yr)  
   first obs. used      2013-07-04  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .45089  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2020-Feb-10 15:59:26  

Additional Information
 Earth MOID = .0158463 au 
 Jupiter MOID = .216783 au 
 T_jup = 2.817 
[ show covariance matrix ]

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 22.2   1. K192/4 2 parameter fit from 155 observations, autocmod 2.8
comet total magnitude slope K1 4.5   n/a K192/4 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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