[ show orbit diagram ]
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Orbital Elements at Epoch 2456140.5 (2012-Aug-01.0) TDB
Reference: JPL 49 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .4281755715853681 | 8.2427e-08 | |
| a | 3.465487939578648 | 2.5422e-07 | AU |
| q | 1.981650660227361 | 3.5693e-07 | AU |
| i | 8.508415201215824 | 5.0467e-06 | deg |
| node | 151.7701853727449 | 3.7691e-05 | deg |
| peri | 302.1741670545564 | 5.244e-05 | deg |
| M | 143.7890253725979 | 2.1414e-05 | deg |
| tp | 2455199.329613667630
(2010-Jan-02.82961367) | 8.6327e-05 | JED |
| period | 2356.378299398522
6.45 | 0.00025928
7.099e-07 | d
yr |
| n | .1527768270875232 | 1.6811e-08 | deg/d |
| Q | 4.949325218929935 | 3.6307e-07 | AU |
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Additional Model Parameters
| Parameter | Value | Uncertainty (1-sigma) |
| A1 [EST] | 4.309324519344644E-9 | 1.007E-10 |
| A2 [EST] | -1.799045336590839E-9 | 5.244E-12 |
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| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| comet total magnitude |
M1 |
10.4 |
mag |
1. |
49 |
2 parameter fit from 548 observations, autocmod 2.5b |
| comet total magnitude slope |
K1 |
13. |
|
n/a |
49 |
autocmod 2.5b |
| comet nuclear magnitude |
M2 |
13.9 |
mag |
0.8 |
49 |
from 1194 observations, autocmod 2.5b |
| comet nuclear magnitude slope |
K2 |
5. |
|
n/a |
49 |
autocmod 2.5b |
| comet nuclear phase coefficient |
PC |
0.03 |
|
n/a |
49 |
autocmod 2.5b |
| diameter |
diameter |
4.8 |
km |
n/a |
Lamy,P.L.,Toth,I.,Fernandez,Y.R.,Weaver,H.A. (2004) Comets II, pp. 223-264 |
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| 118P/Shoemaker-Levy 4 Discovered 1991-Feb-09 by Shoemaker, Carolyn & Eugene, & Levy, D. H. at Palomar Mountain Observatory, California (675) |
| discovered on plate/photo taken on discovery date as well as 2/11 |
| Reference: comet.dis | Last Updated: 2003-08-29 |
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[ hide close-approach data ]
Close-Approach Data ...sorted by Date/Time (TDB)
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| 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 |
| 1900-Dec-12 19:36 |
00:17 |
Jupiter |
1.05236748496548 |
1.05192427139128 |
1.05281061120634 |
5.4326297896858 |
5.28239715892505 |
2415366.316729518 |
17.1290581694982 |
3661.627095788 |
16.3470745655987 |
-22.4269226004727 |
330051.759800515 |
T |
49 |
CATAB v2.0c-linF95 2012-Aug-02 17:36:35 |
2012-Aug-02 17:36 |
| 1949-Apr-25 13:33 |
00:11 |
Jupiter |
0.654783626094152 |
0.654764653713909 |
0.654802601405669 |
3.90049059446107 |
3.55339891759507 |
2433032.064720644 |
11.4015194013754 |
211.95714508677 |
15.7630909834795 |
-45.7671767859579 |
287824.385586402 |
T |
49 |
CATAB v2.0c-linF95 2012-Aug-02 17:36:35 |
2012-Aug-02 17:36 |
| 1960-Jun-28 04:40 |
00:02 |
Jupiter |
1.5123481581026 |
1.51226186670848 |
1.51243444613364 |
6.74022685511687 |
6.65661444022363 |
2437113.694671785 |
2.38105312041139 |
845.889150490653 |
8.10947873704187 |
-15.7275989932735 |
843697.067548141 |
T |
49 |
CATAB v2.0c-linF95 2012-Aug-02 17:36:35 |
2012-Aug-02 17:36 |
| 2015-Dec-03 10:09 |
< 00:01 |
Vesta |
0.0442646535744617 |
0.0442576619240366 |
0.0442716453932093 |
9.28448801072042 |
9.28448772119975 |
2457359.923290433 |
0.457891230163826 |
374.553837485374 |
50.4588232625319 |
-21.7466173038604 |
51275.6039815324 |
T |
49 |
CATAB v2.0c-linF95 2012-Aug-02 17:36:35 |
2012-Aug-02 17:36 |
| 2020-Jul-26 16:58 |
00:01 |
Jupiter |
0.660691563046207 |
0.660683658979779 |
0.660699467191451 |
4.33780152863459 |
4.03143570103643 |
2459057.207061192 |
1.47504730071427 |
58.2504653029776 |
6.22538881145405 |
-41.2374307286781 |
756060.066592648 |
T |
49 |
CATAB v2.0c-linF95 2012-Aug-02 17:36:35 |
2012-Aug-02 17:36 |
| 2032-Jan-13 04:37 |
00:03 |
Jupiter |
0.821822211690884 |
0.821793674724838 |
0.821850747907682 |
3.97005965583553 |
3.70135728456659 |
2463244.692926033 |
3.82397408522403 |
146.057678334813 |
11.9246926597675 |
-15.1117098761042 |
181399.096445628 |
T |
49 |
CATAB v2.0c-linF95 2012-Aug-02 17:36:35 |
2012-Aug-02 17:36 |
| 2091-Jun-20 10:26 |
00:12 |
Jupiter |
1.9776280164242 |
1.97736559902507 |
1.97789040234068 |
8.30416920507883 |
8.25243125868344 |
2484952.935077266 |
12.125163264556 |
3442.347122607 |
72.8807305937223 |
-6.03055788509649 |
59212.2268439321 |
T |
49 |
CATAB v2.0c-linF95 2012-Aug-02 17:36:35 |
2012-Aug-02 17:36 |
| 2103-Aug-06 20:43 |
00:19 |
Jupiter |
0.532643764637804 |
0.53256585520411 |
0.532721695354084 |
3.5969883392451 |
3.12376030942047 |
2489382.363518640 |
19.6931421495737 |
356.977629963491 |
30.8334749250536 |
56.6606866772552 |
128333.026397829 |
T |
49 |
CATAB v2.0c-linF95 2012-Aug-02 17:36:35 |
2012-Aug-02 17:36 |
| 2150-Nov-22 23:13 |
01:33 |
Jupiter |
1.60535565081596 |
1.60213137374521 |
1.60857409632401 |
6.99297120037619 |
6.91710924046207 |
2506657.467813108 |
93.5307058657239 |
33171.7652525302 |
98.0662042231134 |
-6.3175172030093 |
30764.873655388 |
T |
49 |
CATAB v2.0c-linF95 2012-Aug-02 17:36:35 |
2012-Aug-02 17:36 |
| 2162-Aug-30 08:01 |
00:23 |
Jupiter |
1.36592419683287 |
1.36444810402888 |
1.36739881562605 |
5.57504170288834 |
5.46267984045974 |
2510955.834577925 |
23.9844490743879 |
12661.0421286679 |
6.60412959038228 |
-8.67729996219742 |
425052.771309231 |
T |
49 |
CATAB v2.0c-linF95 2012-Aug-02 17:36:35 |
2012-Aug-02 17:36 |
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Alternate Designations
Perihelion
Year (est.) | New-Style
Desig | Roman
Numeral | Year/
Letter | | 1997.1 | 118P/1995 M1 | | |
| 1990.7 | 118P/1991 C2 | 1990 XII | 1991f |
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