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JPL Small-Body Database Browser
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252P/LINEAR
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000298
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 2457519.5 (2016-May-11.0) TDB
Reference: JPL K161/1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6730967236122571 6.8756e-06  
a 3.046948984776395 6.3018e-05 au
q .9960576061097104 4.4062e-07 au
i 10.4223132074456 6.3172e-05 deg
node 190.9499032197533 6.2681e-05 deg
peri 343.3110219103455 5.4848e-05 deg
M 10.51369704823326 0.00032886 deg
tp 2457462.765248224290
(2016-Mar-15.26524822)
6.4621e-05 TDB
period 1942.657330295414
5.32
0.060268
0.000165
d
yr
n .1853131761252284 5.7491e-06 deg/d
Q 5.09784036344308 0.00010544 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.04713531113357E-8 1.227E-9
A2 [EST] -7.064498938848991E-9 7.133E-10
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      117 days  
   first obs. used      2016-04-05  
   last obs. used      2016-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      4  
   norm. resid. RMS      .38904  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2016-Nov-21 09:47:59  

Additional Information
 Earth MOID = .0121418 au 
 Jupiter MOID = .201072 au 
 T_jup = 2.821 
 Not valid before 2016-04-01 
[ hide covariance matrix ]
Orbit Covariance (8×8)
  e q tp node peri i A1 A2
e 4.727379751641803E-11 -2.409290626063389E-12 9.371929621169237E-11 1.316484748618333E-10 -2.473430082611224E-10 4.304367346964346E-10 5.773776745677469E-15 1.446698677184683E-15
q -2.409290626063389E-12 1.941465945464849E-13 -9.577492384511251E-12 -1.365180614506585E-11 2.185414097390056E-11 -2.105968811565319E-11 -3.607569190118585E-16 -3.544063936613018E-17
tp 9.371929621169237E-11 -9.577492384511251E-12 4.175923731749994E-9 3.697958100482067E-9 -1.548777044182796E-9 4.411617163663065E-10 -2.463772522118286E-14 -2.819220988892112E-14
node 1.316484748618333E-10 -1.365180614506585E-11 3.697958100482067E-9 3.928858027543005E-9 -2.410924586046597E-9 9.120425531237998E-10 -1.772648878267073E-14 -2.895607603880611E-14
peri -2.473430082611224E-10 2.185414097390056E-11 -1.548777044182796E-9 -2.410924586046597E-9 3.008261406930198E-9 -2.178468503652769E-9 -2.703207474734424E-14 6.347393333323483E-15
i 4.304367346964346E-10 -2.105968811565319E-11 4.411617163663065E-10 9.120425531237998E-10 -2.178468503652769E-9 3.990680446754469E-9 5.492924478461307E-14 1.57347010439474E-14
A1 5.773776745677469E-15 -3.607569190118585E-16 -2.463772522118286E-14 -1.772648878267073E-14 -2.703207474734424E-14 5.492924478461307E-14 1.504801215516193E-18 6.920473941082692E-19
A2 1.446698677184683E-15 -3.544063936613018E-17 -2.819220988892112E-14 -2.895607603880611E-14 6.347393333323483E-15 1.57347010439474E-14 6.920473941082692E-19 5.088459532524831E-19

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 16.8   1. K161/1 2 parameter fit from 153 observations, autocmod 2.6g
comet total magnitude slope K1 12.   n/a K161/1 autocmod 2.6g

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2010.9   252P/2011 L5       
 2000.2   252P/2000 G1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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