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145P/Shoemaker-Levy 5
Classification: Jupiter-family Comet          SPK-ID: 1000135
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2457082.5 (2015-Mar-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5409816441137831 1.638e-07  
a 4.142757956165335 1.8662e-07 au
q 1.901601945873556 7.2605e-07 au
i 11.26421316712802 1.3073e-05 deg
node 26.8407589503334 7.0014e-05 deg
peri 10.4203090132918 9.0909e-05 deg
M 253.0668774053684 2.1841e-05 deg
tp 2457997.334459847375
(2017-Aug-31.83445985)		 0.00016249 TDB
period 3079.872705050781
8.43		 0.00020811
5.698e-07		 d
yr
n .1168879478069417 7.8984e-09 deg/d
Q 6.383913966457114 2.8758e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] -1.119043111802938E-9 3.496E-10
A2 [EST] -1.298710710220048E-10 8.908E-12
   Orbit Determination Parameters
   # obs. used (total)      880  
   data-arc span      9741 days (26.67 yr)  
   first obs. used      1991-09-12  
   last obs. used      2018-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55495  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 11:13:17  

Additional Information
 Earth MOID = .909833 au 
 Jupiter MOID = .240256 au 
 T_jup = 2.728 
[ 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 13.4   0.9 31 2 parameter fit from 270 observations, autocmod 2.8
comet total magnitude slope K1 8.25   n/a 31 autocmod 2.8

[ 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
1911-Jan-12 04:53 16:21 Jupiter 0.823681118617484 0.823195051173046 0.824167615576882 5.00290102437444 4.7929471987416 2419048.703408119 981.399972953038 38828.9248164259 579.05567672412 51.2713793048176 177247.153009284 T 31 CATAB v2.0f-lin.ifort 2020-Nov-11 11:13:19 2020-Nov-11 11:13
1933-Dec-03 17:50 00:47 Jupiter 0.365926076220912 0.365786375150237 0.366065918276908 6.52471132375967 6.15973899374022 2427410.243130098 46.6481479501395 13625.4626576377 619.528820325332 -60.1635291606785 80640.3939023411 T 31 CATAB v2.0f-lin.ifort 2020-Nov-11 11:13:19 2020-Nov-11 11:13
1970-Aug-31 15:57 01:12 Jupiter 1.02006846304357 1.02005006786714 1.02008686403703 4.9432573679462 4.77232400532027 2440830.164539103 72.213854442588 4038.74828594352 96.3595812360632 77.1072881866654 1170450.43356038 T 31 CATAB v2.0f-lin.ifort 2020-Nov-11 11:13:19 2020-Nov-11 11:13
2007-Feb-26 07:35 00:07 Jupiter 1.02964965714167 1.02963304950745 1.02966626497453 7.43400766406758 7.32251366795777 2454157.815706205 6.51713196579455 1100.12283015427 101.902638232737 42.3858056444423 775554.134791136 T 31 CATAB v2.0f-lin.ifort 2020-Nov-11 11:13:19 2020-Nov-11 11:13
2028-Dec-11 03:29 00:17 Jupiter 0.522799245055758 0.522780439514357 0.522818051649967 5.33737202601172 5.0246596396091 2462116.645335681 17.1340531843262 1546.34374394663 180.002517344407 52.31969351249 399220.570242562 T 31 CATAB v2.0f-lin.ifort 2020-Nov-11 11:13:19 2020-Nov-11 11:13
2052-May-31 04:38 00:28 Jupiter 0.816198778094956 0.816151988247067 0.816245568186699 7.90334454820754 7.77092819874691 2470688.692980572 28.3649367112604 2482.20207629499 1200.5769074093 -24.8833129540093 50664.1472212164 T 31 CATAB v2.0f-lin.ifort 2020-Nov-11 11:13:19 2020-Nov-11 11:13
2089-Oct-06 11:21 00:39 Jupiter 0.896751757784938 0.896653337800695 0.896850199081388 5.07988020870252 4.89040822959351 2484330.973262249 38.6572304193312 8619.93534085717 594.37367764199 -54.554274996128 163483.794863793 T 31 CATAB v2.0f-lin.ifort 2020-Nov-11 11:13:19 2020-Nov-11 11:13
2111-Sep-07 22:55 02:06 Jupiter 1.16498051251952 1.16431550879227 1.16564552446553 8.88797423825532 8.80579047155122 2492336.454832450 126.006821417608 33520.4123687499 416.3890354432 -10.6821469022184 63289.1446998101 T 31 CATAB v2.0f-lin.ifort 2020-Nov-11 11:13:19 2020-Nov-11 11:13
2147-Mar-31 03:38 04:00 Jupiter 0.456288721208391 0.455724516808462 0.456853154309212 5.43944953519497 5.08674266320949 2505324.651599266 239.607182491903 32750.4365134679 1287.60926713647 28.7922677021058 34665.6914512739 T 31 CATAB v2.0f-lin.ifort 2020-Nov-11 11:13:19 2020-Nov-11 11:13
2171-Jan-29 05:16 06:39 Jupiter 1.97181777159234 1.96981673077783 1.97381884706081 11.0009155056358 10.9617979076054 2514029.719667522 398.567743384561 100635.050662274 1281.84270357491 -8.90043610044113 26083.1538439457 T 31 CATAB v2.0f-lin.ifort 2020-Nov-11 11:13:19 2020-Nov-11 11:13

Alternate Designations
 Perihelion 
Year (est.)		  New-Style 
Desig		 Roman
 Numeral 		 Year/
 Letter 
 2000.8   145P/2000 R1       
 1992.4   145P/1991 T1   1991 XXII   1991z 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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