21P/Giacobini-Zinner
From 2472 observations 2011 Aug. 6-2019 Apr. 11.(16) Kinoshita
Epoch = 2020 Feb. 1.0 TT = JDT 2458880.5
T = 2018 Sept. 10.31012 TT peri.= 172.84789
e = 0.7105212 node = 195.37433 (2000.0)
q = 1.0121454 AU incl.= 32.00524
a = 3.4964405 AU n = 0.15075262 P = 6.54 years
m1 = 13.5 + 5log(delta) + 5.0log(r)
A. Node = E:04/05.4 JST O:2015/12/16.5 JST 5.869 AU
D. Node = E:10/09.6 JST O:2018/09/16.3 JST 1.015 AU
2020 JST R.A. (2000) D.C. Delta r Elong. Phase dMo./P.A. Tail/P.A. M-O Ag m1 H/A
01/12 02:50 11 00.84 -17 28.5 3.900 4.407 115.0 11.7 4.9/261.9 0.3/305 55 16 19.7 +36/346
01/13 02:50 11 00.50 -17 29.2 3.891 4.412 116.0 11.6 5.1/263.8 0.3/306 43 17 19.7 +37/347
01/14 02:40 11 00.15 -17 29.7 3.882 4.417 117.0 11.4 5.3/265.6 0.3/306 33 18 19.7 +36/346
01/15 02:40 10 59.78 -17 30.1 3.874 4.422 118.0 11.3 5.5/267.2 0.3/307 28 19 19.7 +36/347
01/16 02:40 10 59.40 -17 30.4 3.865 4.426 119.0 11.2 5.7/268.8 0.3/307 28 20 19.7 +37/348
01/17 02:40 10 59.00 -17 30.5 3.857 4.431 120.0 11.1 5.9/270.2 0.3/308 35 21 19.7 +37/349
01/18 02:40 10 58.59 -17 30.5 3.849 4.436 121.0 11.0 6.1/271.6 0.3/309 45 22 19.7 +37/351
01/19 02:30 10 58.16 -17 30.3 3.841 4.441 122.0 10.8 6.3/272.9 0.3/309 56 23 19.7 +37/349
01/20 02:30 10 57.72 -17 30.0 3.833 4.445 122.9 10.7 6.5/274.1 0.3/310 68 24 19.7 +37/350
01/21 02:30 10 57.26 -17 29.5 3.825 4.450 123.9 10.6 6.8/275.3 0.3/310 80 25 19.7 +37/352
01/22 02:30 10 56.79 -17 28.9 3.818 4.455 124.9 10.4 7.0/276.4 0.3/311 92 26 19.7 +37/353
01/23 02:20 10 56.31 -17 28.1 3.810 4.460 125.9 10.3 7.2/277.5 0.3/312 103 27 19.7 +37/351
01/24 02:20 10 55.82 -17 27.2 3.803 4.464 126.9 10.2 7.4/278.5 0.3/312 115 28 19.6 +37/353
01/25 02:20 10 55.31 -17 26.1 3.796 4.469 127.9 10.0 7.6/279.5 0.3/313 125 29 19.6 +37/354
01/26 02:20 10 54.78 -17 24.8 3.789 4.474 128.9 9.9 7.8/280.4 0.3/314 135 1 19.6 +37/355
01/27 02:10 10 54.25 -17 23.4 3.783 4.478 129.9 9.7 8.0/281.3 0.2/315 144 2 19.6 +37/354
01/28 02:10 10 53.70 -17 21.9 3.776 4.483 130.9 9.6 8.2/282.1 0.2/315 150 3 19.6 +37/355
01/29 02:10 10 53.14 -17 20.1 3.770 4.488 131.9 9.4 8.4/283.0 0.2/316 153 4 19.6 +38/356
01/30 02:10 10 52.57 -17 18.2 3.764 4.492 132.9 9.2 8.6/283.8 0.2/317 150 4 19.6 +38/358
01/31 02:00 10 51.99 -17 16.2 3.758 4.497 133.8 9.1 8.8/284.5 0.2/318 144 5 19.6 +38/356
02/01 02:00 10 51.40 -17 14.0 3.753 4.502 134.8 8.9 9.0/285.3 0.2/319 136 6 19.6 +38/357
02/02 02:00 10 50.80 -17 11.6 3.747 4.506 135.8 8.8 9.2/286.0 0.2/320 127 7 19.6 +38/359
02/03 01:50 10 50.19 -17 09.1 3.742 4.511 136.8 8.6 9.3/286.7 0.2/321 116 8 19.6 +38/357
02/04 01:50 10 49.56 -17 06.4 3.737 4.516 137.7 8.4 9.5/287.4 0.2/322 105 9 19.6 +38/358
02/05 01:50 10 48.93 -17 03.6 3.733 4.520 138.7 8.3 9.7/288.1 0.2/323 94 10 19.6 +38/360
02/06 01:50 10 48.29 -17 00.6 3.728 4.525 139.6 8.1 9.8/288.7 0.2/324 82 11 19.6 +38/ 1
02/07 01:40 10 47.64 -16 57.4 3.724 4.529 140.6 7.9 10.0/289.4 0.2/325 70 12 19.6 +38/360
02/08 01:40 10 46.99 -16 54.1 3.720 4.534 141.5 7.8 10.2/290.0 0.2/326 58 13 19.6 +38/ 1
02/09 01:40 10 46.32 -16 50.6 3.717 4.538 142.4 7.6 10.3/290.6 0.2/327 46 14 19.6 +38/ 2
02/10 01:40 10 45.65 -16 47.0 3.713 4.543 143.3 7.4 10.5/291.2 0.2/328 35 15 19.6 +38/ 4
02/11 01:30 10 44.97 -16 43.2 3.710 4.548 144.2 7.3 10.6/291.8 0.2/330 29 16 19.6 +38/ 2
02/12 01:30 10 44.29 -16 39.3 3.707 4.552 145.1 7.1 10.8/292.4 0.2/331 28 17 19.6 +38/ 4
