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P/2002 EJ57 (LINEAR)
Classification: Jupiter-family Comet          SPK-ID: 1000387
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 2452357.5 (2002-Mar-24.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5939101217838956 9.0952e-05  
a 6.490000064300673 0.0011234 au
q 2.63552333573437 0.00017732 au
i 4.969701017005215 0.0004459 deg
node 330.3832879862198 0.00077739 deg
peri 166.8930359952229 0.027797 deg
M 5.655663713800444 0.0041243 deg
tp 2452262.626143132959
(2001-Dec-19.12614313)
0.089346 TDB
period 6039.00624232551
16.53
1.5681
0.004293
d
yr
n .05961245700937885 1.5479e-05 deg/d
Q 10.34447679286698 0.0017907 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      85 days  
   first obs. used      2002-02-16  
   last obs. used      2002-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      5  
   norm. resid. RMS      .75784  
   source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-18 09:25:26  

Additional Information
 Earth MOID = 1.64947 au 
 T_jup = 2.592 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 8.27231606720922E-9 -1.323079391174781E-8 -7.746606129198562E-6 5.310880759787337E-8 -2.401230965017024E-6 3.726380015583167E-8
q -1.323079391174781E-8 3.14412623293957E-8 1.506073137162025E-5 -9.512386670275477E-8 4.704567259427964E-6 -5.91006498025611E-8
tp -7.746606129198562E-6 1.506073137162025E-5 .007982689316368646 -5.268488509152213E-5 .002482943841735045 -3.51038910207939E-5
node 5.310880759787337E-8 -9.512386670275477E-8 -5.268488509152213E-5 6.043392573730888E-7 -1.660986445900238E-5 3.135143253520174E-7
peri -2.401230965017024E-6 4.704567259427964E-6 .002482943841735045 -1.660986445900238E-5 .000772688545524307 -1.094293045030885E-5
i 3.726380015583167E-8 -5.91006498025611E-8 -3.51038910207939E-5 3.135143253520174E-7 -1.094293045030885E-5 1.988276720687534E-7

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet nuclear magnitude M2 15.8   0.4 7 from 34 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 7 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 7 autocmod 2.5c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2002.0   P/2002 EJ57       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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