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204P/LINEAR-NEAT
Classification: Jupiter-family Comet          SPK-ID: 1000361
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 2454757.5 (2008-Oct-18.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4705293233791104 5.6724e-07  
a 3.664462563285444 2.2607e-06 au
q 1.940225472834664 1.9724e-06 au
i 6.581224664404781 1.6736e-05 deg
node 109.1066822496268 4.7901e-05 deg
peri 355.0404917170418 0.00036531 deg
M 352.6551712789477 0.00011691 deg
tp 2454809.774878561700
(2008-Dec-09.27487856)
0.00081961 TDB
period 2562.204919533627
7.01
0.002371
6.491e-06
d
yr
n .1405039843829226 1.3002e-07 deg/d
Q 5.388699653736225 3.3244e-06 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.080712377703343E-9 7.367E-10
A2 [EST] -2.05507690784695E-10 1.161E-12
  Orbit Determination Parameters
   # obs. used (total)      1239  
   data-arc span      5315 days (14.55 yr)  
   first obs. used      2001-10-13  
   last obs. used      2016-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .78275  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-28 16:17:46  

Additional Information
 Earth MOID = .957336 au 
 Jupiter MOID = .101693 au 
 T_jup = 2.891 
[ 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 12.5   1. 48 from 582 observations, assumed slope, autocmod 2.6m
comet total magnitude slope K1 16.   n/a 48 autocmod 2.6m
comet nuclear magnitude M2 16.2   1. 48 from 544 observations, autocmod 2.6m
comet nuclear magnitude slope K2 5.   n/a 48 autocmod 2.6m
comet nuclear phase coefficient PC 0.03   n/a 48 autocmod 2.6m

[ 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
1914-Nov-15 16:16 1_18:11 Jupiter 0.549269942020804 0.529989046259465 0.56924338329589 6.06813264608349 5.80844713045759 2420452.178031450 2530.90991447088 1394991.06785367 3919.2314064531 -46.4899940551594 11482.6071215992 T 48 CATAB v2.0e-lin.ifort 2018-Feb-28 16:17:54 2018-Feb-28 16:17
1925-Dec-11 16:13 1_00:27 Jupiter 0.15772030349662 0.149320854999628 0.16623632261389 5.42247863144645 4.32000657199029 2424496.175985979 1466.89790644495 483779.864279849 481.910737990356 -30.3114151031236 25353.3617291489 T 48 CATAB v2.0e-lin.ifort 2018-Feb-28 16:17:54 2018-Feb-28 16:17
1985-Apr-16 15:23 00:36 Jupiter 0.0822213718438852 0.0822035177640563 0.0822393349597706 6.01455018226658 3.94605504528104 2446172.140930359 36.0760124861341 6348.75470645263 217.257522741189 -79.7268183812473 70089.5116367904 T 48 CATAB v2.0e-lin.ifort 2018-Feb-28 16:17:54 2018-Feb-28 16:17
2020-Dec-11 04:06 00:05 Jupiter 1.28716491626314 1.28706439998363 1.28726543241484 7.96637013278363 7.88333352285248 2459194.671020107 5.14030606380423 4970.65125478883 77.5918892169016 3.21485519893147 92606.3109586023 T 48 CATAB v2.0e-lin.ifort 2018-Feb-28 16:17:54 2018-Feb-28 16:17
2031-Sep-27 21:54 00:10 Jupiter 1.55500559459461 1.55490153373059 1.55510965544653 8.97708269113078 8.91619871560413 2463137.412247478 10.3016110623563 5185.1834138503 837.632530316577 6.1045335004364 36578.1228302482 T 48 CATAB v2.0e-lin.ifort 2018-Feb-28 16:17:54 2018-Feb-28 16:17
2067-Oct-21 09:08 00:42 Jupiter 0.155305071297251 0.155269393452773 0.155340749538673 5.05255113800313 3.82366565961486 2476309.880557380 41.8544959715663 3475.54782064907 1786.25436280285 86.6585172228486 15486.3318247052 T 48 CATAB v2.0e-lin.ifort 2018-Feb-28 16:17:54 2018-Feb-28 16:17
2102-Mar-22 06:33 02:17 Jupiter 1.83994871581663 1.83453084358206 1.84536702280738 9.54216242907655 9.49379594859692 2488879.772951108 136.583392706557 273866.650130407 15532.1343228586 -11.2388188096207 2363.89368938278 T 48 CATAB v2.0e-lin.ifort 2018-Feb-28 16:17:54 2018-Feb-28 16:17
2126-Nov-13 10:44 11:36 Jupiter 0.222307765316109 0.220827254345916 0.223793091838006 4.63054603309671 3.71775299054245 2497881.947458441 695.918020728885 94754.1175453247 6033.96602881423 -34.1812140308501 3974.7186041395 T 48 CATAB v2.0e-lin.ifort 2018-Feb-28 16:17:54 2018-Feb-28 16:17
2148-Aug-25 10:34 18:45 Jupiter 1.16975693661002 1.10356706137783 1.23638981880357 7.3650780519093 7.26609744741209 2505837.940446020 1125.30804495918 3503076.99574608 31464.8160000176 -20.9621990946874 1453.96053165739 T 48 CATAB v2.0e-lin.ifort 2018-Feb-28 16:17:54 2018-Feb-28 16:17

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2008.9   204P/2008 R5       
 2001.9   204P/2001 TU80       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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