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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 
[ 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 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1964-Mar-18 13:26 17:22 Saturn 0.0996254922032858 0.0937862884163747 0.105779078074659 4.20863092189082 3.55262769819341 2438473.059739969 1042.44676209483 428020.871198809 23484.0029458379 -45.7028317485362 498.948728004979 T 7 CATAB v2.0e-lin.ifort 2017-Nov-30 18:59:25 2017-Nov-30 18:59
1972-Apr-06 12:55 2_02:54 Jupiter 1.73661759964108 1.67981391256292 1.7935537450287 13.2221544310823 13.1852145392759 2441414.037849403 3054.07894495608 2935255.55230424 8017.44360285488 15.4245713867905 11338.5858168066 T 7 CATAB v2.0e-lin.ifort 2017-Nov-30 18:59:25 2017-Nov-30 18:59
1991-Oct-30 20:30 1_10:15 Saturn 0.802721186636536 0.794517986156498 0.810944663474408 4.52517638562484 4.45480951647536 2448560.353938926 2054.4982165885 458615.889863852 74332.5037372827 27.5636238486441 661.15485050458 T 7 CATAB v2.0e-lin.ifort 2017-Nov-30 18:59:25 2017-Nov-30 18:59
2000-Mar-12 20:35 02:02 Jupiter 1.39122539842863 1.38577238847924 1.39668507818043 5.31853922009287 5.20280649966879 2451616.357973923 121.621845406424 312684.563807588 1713.18309661708 26.5775799175341 9467.75263635515 T 7 CATAB v2.0e-lin.ifort 2017-Nov-30 18:59:25 2017-Nov-30 18:59

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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