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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457082.5 (2015-Mar-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5409816362750146 1.6316e-07  
a 4.142757958470263 1.865e-07 au
q 1.901601979405681 7.2357e-07 au
i 11.26421604225583 1.307e-05 deg
node 26.84077386097572 6.993e-05 deg
peri 10.42027692978917 9.076e-05 deg
M 253.0668819161457 2.1824e-05 deg
tp 2457997.334422020250
(2017-Aug-31.83442202)
0.00016237 TDB
period 3079.872707621128
8.43
0.00020797
5.694e-07
d
yr
n .1168879477093914 7.893e-09 deg/d
Q 6.383913937534844 2.8739e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] -1.079237050724678E-9 3.488E-10
A2 [EST] -1.298139527190071E-10 8.9E-12
  Orbit Determination Parameters
   # obs. used (total)      881  
   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      .55644  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-26 20:53:18  

Additional Information
 Earth MOID = .909833 au 
 Jupiter MOID = .240257 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 13.5   0.9 30 2 parameter fit from 270 observations, autocmod 2.6n
comet total magnitude slope K1 8.   n/a 30 autocmod 2.6n

[ 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 05:02 05:27 Jupiter 0.823684932608169 0.823199295298899 0.824170998707727 5.00289973536844 4.79294684673419 2419048.710005462 326.859416903512 38795.4806186281 574.149719137372 51.2723804139589 178672.222363229 T 30 CATAB v2.0e-lin.ifort 2018-May-26 20:54:01 2018-May-26 20:54
1933-Dec-03 17:52 00:16 Jupiter 0.365924173914546 0.365784627222142 0.366063861371492 6.52470775783115 6.15973326295577 2427410.244115607 15.5194525424323 13612.8314862563 612.661552312701 -60.167643322725 81523.7316887101 T 30 CATAB v2.0e-lin.ifort 2018-May-26 20:54:01 2018-May-26 20:54
1970-Aug-31 15:59 00:24 Jupiter 1.02006853775164 1.0200501694079 1.02008691189606 4.94325750968492 4.77232416487879 2440830.165663625 24.0430835878083 4033.11029667402 96.3100067334678 77.1083218075635 1170830.35243486 T 30 CATAB v2.0e-lin.ifort 2018-May-26 20:54:01 2018-May-26 20:54
2007-Feb-26 07:34 00:02 Jupiter 1.02964938702668 1.02963279777229 1.02966597647932 7.43400683574505 7.32251279755138 2454157.815622774 2.16980082787118 1099.01743595034 101.838056888494 42.3924257391575 776163.846449077 T 30 CATAB v2.0e-lin.ifort 2018-May-26 20:54:01 2018-May-26 20:54
2028-Dec-11 03:28 00:06 Jupiter 0.522797570553386 0.522778837369467 0.522816304782206 5.33737533971468 5.024662126768 2462116.644385305 5.68837506069524 1540.56941824724 179.892431197757 52.329394173475 399573.345789293 T 30 CATAB v2.0e-lin.ifort 2018-May-26 20:54:01 2018-May-26 20:54
2052-May-31 04:37 00:09 Jupiter 0.816201771543684 0.816155223576863 0.816248319756448 7.90334844105203 7.77093264770431 2470688.692132625 9.43347835119505 2472.17923335434 1196.20637571832 -25.0829698526348 50998.9463492573 T 30 CATAB v2.0e-lin.ifort 2018-May-26 20:54:01 2018-May-26 20:54
2089-Oct-06 11:25 00:13 Jupiter 0.896745886787819 0.896647759950324 0.896844034800925 5.07989331057626 4.89042057457923 2484330.975512960 12.8318701974423 8592.97750321771 593.224820844242 -54.5496623800353 163879.466049067 T 30 CATAB v2.0e-lin.ifort 2018-May-26 20:54:01 2018-May-26 20:54
2111-Sep-07 22:48 00:42 Jupiter 1.16493466701452 1.16427184443074 1.16559749776752 8.88785649054615 8.80566837545278 2492336.449713571 41.874389660093 33410.6410615297 415.246000484983 -10.684166738739 63454.738367977 T 30 CATAB v2.0e-lin.ifort 2018-May-26 20:54:01 2018-May-26 20:54
2147-Mar-31 03:22 01:20 Jupiter 0.456245310905991 0.455683335158516 0.456807513655542 5.43954540338118 5.08681045678993 2505324.640011801 79.5665705540158 32622.6279568396 1284.43499437611 28.7980653774194 34747.627925559 T 30 CATAB v2.0e-lin.ifort 2018-May-26 20:54:01 2018-May-26 20:54
2171-Jan-29 04:47 02:12 Jupiter 1.97165822050227 1.96966494686533 1.9736515285522 11.0004750459713 10.9613527048185 2514029.699588161 132.377059555741 100245.036201233 1278.68474182433 -8.90296977382676 26151.6445770347 T 30 CATAB v2.0e-lin.ifort 2018-May-26 20:54:01 2018-May-26 20:54

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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