88P/Howell
Last updated 2019 June 10
+ Orbit O-C
88P/Howell
From 1183 observations 2014 Jan. 29-2019 Mar. 7, mean residual 0".46.
Nongravitational parameters A1 = +0.51, A2 = -0.0675.
Epoch = 2020 Sept. 28.0 TT JDT = 2459120.5
T = 2020 Sept. 26.6173486357 TT +/- 0.0002297258 -0.0000000005
Peri. = 235.9117427896 +/- 0.0002246100 -0.0000000005
Node = 56.6842020673 (2000.0) +/- 0.0000638733 -0.0000000000
Incl. = 4.3836750757 +/- 0.0000075443 0.0000000000
q = 1.3530881472 AU +/- 0.0000015313 0.0000000000
e = 0.5643571318 +/- 0.0000017568 0.0000000000
A1 = 0.5066578686 +/- 0.0429439859 -0.0000000982
A2 = -0.0674685123 +/- 0.0149833582 -0.0000000364
a = 3.1059573009 AU +/- 0.0000041884
n = 0.1800573493 +/- 0.0000003642
P = 5.4738541492 years +/- 0.0000110722
+/- 0.0040441086
88P Howell *18970507.34582 2.0034847 0.4222147 182.24893 98.09189 10.52573 18970426 111 19550522 19940211 6.5 20.0 h3E2 0.8 x 2 +0.10 -0.0012 Kinoshita P 6.46 3.4675244
88P Howell *19031024.32368 1.9981322 0.4230723 182.45090 98.05133 10.53103 19031013 111 19550522 19940211 6.5 20.0 h3E2 0.8 x 2 +0.10 -0.0012 Kinoshita P 6.45 3.4634012
Jupiter 0.1941 19070119.8
88P Howell *19100907.85901 1.8444315 0.4618393 202.97430 85.99294 6.58773 19100906 111 19550522 19940211 6.5 20.0 h3E2 0.8 x 2 +0.10 -0.0012 Kinoshita P 6.34 3.4272877
88P Howell *19170115.36594 1.8444014 0.4619054 203.15920 85.93787 6.58524 19170112 111 19550522 19940211 6.5 20.0 h3E2 0.8 x 2 +0.10 -0.0012 Kinoshita P 6.35 3.4276525
88P Howell *19230611.42661 1.8955658 0.4522344 203.63457 85.60730 6.53540 19230630 111 19550522 19940211 6.5 20.0 h3E2 0.8 x 2 +0.10 -0.0012 Kinoshita P 6.44 3.4605423
88P Howell *19291122.78030 1.9025131 0.4511074 203.75459 85.56067 6.52951 19291105 111 19550522 19940211 6.5 20.0 h3E2 0.8 x 2 +0.10 -0.0012 Kinoshita P 6.45 3.4660934
88P Howell *19360503.88870 1.9078745 0.4500557 203.54651 85.53949 6.52693 19360422 111 19550522 19940211 6.5 20.0 h3E2 0.8 x 2 +0.10 -0.0012 Kinoshita P 6.46 3.4692141
88P Howell *19421022.62879 1.9183056 0.4482501 203.52848 85.51531 6.51967 19421008 111 19550522 19940211 6.5 20.0 h3E2 0.8 x 2 +0.10 -0.0012 Kinoshita P 6.48 3.4767668
88P Howell *19490412.57497 1.9121667 0.4495104 203.47563 85.50164 6.51981 19490325 111 19550522 19940211 6.5 20.0 h3E2 0.8 x 2 +0.10 -0.0012 Kinoshita P 6.47 3.4735749
88P Howell 19550929.99010 1.9162084 0.4486671 203.32529 85.49217 6.51567 19550910 111 19550522 19940211 6.5 20.0 h3E2 0.8 1 2 +0.10 -0.0012 Kinoshita P 6.48 3.4755925
88P Howell *19620321.19882 1.9071222 0.4504477 203.37285 85.47687 6.51973 19620406 111 19550522 19940211 6.5 20.0 h3E2 0.8 x 2 +0.10 -0.0012 Kinoshita P 6.46 3.4703198
88P Howell *19680825.00579 1.8818457 0.4547389 203.39182 85.32287 6.52250 19680812 111 19550522 19940211 6.5 20.0 h3E2 0.8 x 2 +0.10 -0.0012 Kinoshita P 6.41 3.4512746
88P Howell *19750123.31344 1.8746617 0.4560498 203.53698 85.28451 6.52523 19750128 111 19550522 19940211 6.5 20.0 h3E2 0.8 x 2 +0.10 -0.0012 Kinoshita P 6.40 3.4463848
Jupiter 0.5816 19781013.8
88P/1981 Q1 Howell 19810504.36040 1.6151385 0.5075364 214.65641 75.99315 5.56908 19810426 111 19550522 19940211 6.5 20.0 h3E2 0.8 2 2 +0.10 -0.0012 Kinoshita P 5.94 3.2797115
88P/1987 E1 Howell 19870414.53965 1.6121000 0.5081133 214.80578 75.94661 5.56845 19870326 111 19550522 19940211 6.5 20.0 h3E2 0.8 3 2 +0.10 -0.0012 Kinoshita P 5.93 3.2773806
Jupiter 0.5274 19900822.5
88P Howell 19930226.09068 1.4091091 0.5520644 234.77352 57.72427 4.39934 19930222 264 19870727 19991208 6.5 20.0 h3E3 0.8 4 2 +0.40 -0.0505 Kinoshita P 5.58 3.1457851
88P Howell 19980927.18706 1.4061295 0.5526726 234.91138 57.66566 4.39839 19980924 264 19870727 19991208 6.5 20.0 h3E3 0.8 5 2 +0.40 -0.0505 Kinoshita P 5.57 3.1434016
88P Howell 20040412.56015 1.3675177 0.5611546 235.84587 56.81974 4.38259 20040425 785 19971231 20090502 6.5 20.0 h3E2 0.7 6 2 +0.27 -0.0580 Kinoshita P 5.50 3.1161718
88P Howell 20091012.46447 1.3634874 0.5619944 235.95865 56.75844 4.38195 20091016 2289 20031231 20160228 7.0 15.0 h3E2 0.7 7 2 +0.76 -0.0274 Kinoshita P 5.49 3.1129454
88P Howell 20150406.23305 1.3585729 0.5630415 235.91619 56.69946 4.38275 20150408 1183 20140129 20190307 7.0 15.0 h3E3 0.5 8 2 +0.51 -0.0675 Kinoshita P 5.48 3.1091579
88P Howell 20200926.61735 1.3530881 0.5643571 235.91174 56.68420 4.38368 20200928 1183 20140129 20190307 8.5 20.0 h3E3 0.5 9 2 +0.51 -0.0675 Kinoshita P 5.47 3.1059573
88P Howell *20260318.70994 1.3578107 0.5632836 235.86639 56.66929 4.38171 20260321 1183 20140129 20190307 8.5 20.0 h3E3 0.5 x 2 +0.51 -0.0675 Kinoshita P 5.48 3.1091363
88P Howell *20310908.05456 1.3548810 0.5640434 235.75461 56.67157 4.38217 20310911 1183 20140129 20190307 8.5 20.0 h3E3 0.5 x 2 +0.51 -0.0675 Kinoshita P 5.48 3.1078343
88P Howell *20370303.64679 1.3613671 0.5625745 235.88635 56.57357 4.37550 20370303 1183 20140129 20190307 8.5 20.0 h3E3 0.5 x 2 +0.51 -0.0675 Kinoshita P 5.49 3.1122260
88P Howell *20420828.71865 1.3659559 0.5614939 235.78497 56.54575 4.37242 20420824 1183 20140129 20190307 8.5 20.0 h3E3 0.5 x 2 +0.51 -0.0675 Kinoshita P 5.50 3.1150214
88P Howell *20480229.86259 1.3704691 0.5605083 235.89306 56.48533 4.36847 20480214 1183 20140129 20190307 8.5 20.0 h3E3 0.5 x 2 +0.51 -0.0675 Kinoshita P 5.51 3.1183046
88P Howell *20530912.33138 1.3976581 0.5543791 236.38438 56.06545 4.33774 20530915 1183 20140129 20190307 8.5 20.0 h3E3 0.5 x 2 +0.51 -0.0675 Kinoshita P 5.55 3.1364286
88P Howell *20590405.91342 1.3996009 0.5538837 236.52440 55.99676 4.33482 20590417 1183 20140129 20190307 8.5 20.0 h3E3 0.5 x 2 +0.51 -0.0675 Kinoshita P 5.56 3.1373005
Jupiter 0.7022 20610512.5
88P Howell *20650126.68051 1.5491834 0.5227769 249.14878 45.39628 3.74592 20650204 1183 20140129 20190307 8.5 20.0 h3E3 0.5 x 2 +0.51 -0.0675 Kinoshita P 5.85 3.2462454
88P Howell *20701205.87927 1.5497213 0.5225776 249.31726 45.31743 3.74417 20701125 1183 20140129 20190307 8.5 20.0 h3E3 0.5 x 2 +0.51 -0.0675 Kinoshita P 5.85 3.2460172
Jupiter 0.4813 20730418.9
88P Howell *20770322.95032 1.8069644 0.4731014 290.00937 8.13172 3.15160 20770402 1183 20140129 20190307 8.5 20.0 h3E3 0.5 x 2 +0.51 -0.0675 Kinoshita P 6.35 3.4294349
88P Howell *20830803.12655 1.8097601 0.4725458 290.21008 8.05145 3.15017 20830809 1183 20140129 20190307 8.5 20.0 h3E3 0.5 x 2 +0.51 -0.0675 Kinoshita P 6.36 3.4311229
88P Howell *20891222.95184 1.8468130 0.4654420 290.55397 7.68515 3.13769 20891215 1183 20140129 20190307 8.5 20.0 h3E3 0.5 x 2 +0.51 -0.0675 Kinoshita P 6.42 3.4548411
88P Howell *20960531.37865 1.8541242 0.4642688 290.80289 7.56138 3.13575 20960601 1183 20140129 20190307 8.5 20.0 h3E3 0.5 x 2 +0.51 -0.0675 Kinoshita P 6.44 3.4609227
88P Howell *21021105.34482 1.8572941 0.4636271 290.59383 7.52725 3.13357 21021118 1183 20140129 20190307 8.5 20.0 h3E3 0.5 x 2 +0.51 -0.0675 Kinoshita P 6.44 3.4626917
[Numbered short periodic comets index]
[Main index]
