メタデータ
| 項目 |
値 |
| Designation |
196P/Tichy |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2015-06-14T19:41:57.508800Z |
| Orbit solution date (soln_date, UTC) |
2024-04-13T16:43:01Z |
| Obs used |
459 |
| NEO |
- |
| M1 |
15.300 |
| K1 |
10.000 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2015-05-12.0000000 |
| e |
0.43441811 |
| q (au) |
2.134995 |
| a (au) |
3.774865 |
| i (deg) |
19.377598 |
| Ω (om, deg) |
24.256234 |
| ω (w, deg) |
11.950466 |
| M (ma, deg) |
355.454979 |
等級
散乱 + 全体線形
$$
M_a = (14.054 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
14.054 |
| n |
6.000 |
| gf |
0.800 |
| gb |
-0.807 |
| k |
0.993 |
| δ90 |
1.000 |
| パラメータ |
記号 |
範囲 |
説明 |
| 太陽・地球距離が1 AUのときの絶対等級 |
H0 |
-5 to 20 |
彗星の固有の明るさ |
| 測光スロープパラメータ |
n |
2 to 6 |
太陽距離に対する明るさ変化率 |
| 前方散乱非対称係数 |
gf |
0.8 to 1 |
前方散乱の強さ |
| 後方散乱非対称係数 |
gb |
-1 to -0.5 |
後方散乱の強さ |
| 分配係数 |
k |
0.8 to 1 |
前方/後方散乱の寄与比 |
| ダスト/ガス明るさ比 |
δ90 |
1 to 10 |
ダスト散乱とガス放射の相対寄与 |
参考: EPSC-DPS2025-160
天体暦
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-07-29 00:00 |
13:28:57.06 |
-13:47:42.8 |
HIP 65680 |
19.10 |
| 2026-07-29 12:00 |
13:29:06.57 |
-13:48:51.2 |
HIP 65856 |
16.87 |
| 2026-07-30 00:00 |
13:29:16.22 |
-13:50:00.4 |
HIP 65856 |
14.37 |
| 2026-07-30 12:00 |
13:29:26.02 |
-13:51:10.3 |
HIP 65856 |
11.89 |
| 2026-07-31 00:00 |
13:29:35.95 |
-13:52:21.0 |
HIP 65856 |
9.47 |
| 2026-07-31 12:00 |
13:29:46.01 |
-13:53:32.4 |
HIP 65856 |
7.21 |
| 2026-08-01 00:00 |
13:29:56.22 |
-13:54:44.6 |
HIP 65856 |
5.37 |
| 2026-08-01 12:00 |
13:30:06.56 |
-13:55:57.6 |
HIP 65856 |
4.58 |
| 2026-08-02 00:00 |
13:30:17.04 |
-13:57:11.4 |
HIP 65856 |
5.37 |
| 2026-08-02 12:00 |
13:30:27.65 |
-13:58:25.8 |
HIP 65856 |
7.28 |
| 2026-08-03 00:00 |
13:30:38.40 |
-13:59:41.1 |
HIP 65856 |
9.71 |
| 2026-08-03 12:00 |
13:30:49.28 |
-14:00:57.0 |
HIP 65856 |
12.37 |
| 2026-08-04 00:00 |
13:31:00.29 |
-14:02:13.7 |
HIP 65856 |
15.16 |
| 2026-08-04 12:00 |
13:31:11.44 |
-14:03:31.2 |
HIP 65856 |
18.04 |
| 2026-08-05 00:00 |
13:31:22.72 |
-14:04:49.4 |
HIP 65856 |
20.99 |
| 2026-08-05 12:00 |
13:31:34.13 |
-14:06:08.3 |
HIP 66076 |
23.89 |
| 2026-08-06 00:00 |
13:31:45.67 |
-14:07:27.9 |
HIP 66076 |
23.07 |
| 2026-08-06 12:00 |
13:31:57.34 |
-14:08:48.3 |
HIP 66076 |
22.64 |
| 2026-08-07 00:00 |
13:32:09.14 |
-14:10:09.4 |
HIP 66076 |
22.64 |
| 2026-08-07 12:00 |
13:32:21.07 |
-14:11:31.2 |
HIP 66076 |
23.09 |
| 2026-08-08 00:00 |
13:32:33.13 |
-14:12:53.7 |
HIP 66076 |
23.96 |
| 2026-08-08 12:00 |
13:32:45.31 |
-14:14:16.9 |
HIP 66076 |
25.24 |
| 2026-08-09 00:00 |
13:32:57.62 |
-14:15:40.8 |
HIP 66076 |
26.86 |
| 2026-08-09 12:00 |
13:33:10.06 |
-14:17:05.5 |
HIP 66076 |
28.80 |
| 2026-08-10 00:00 |
13:33:22.62 |
-14:18:30.8 |
HIP 66076 |
30.99 |
| 2026-08-10 12:00 |
13:33:35.31 |
-14:19:56.8 |
HIP 66076 |
33.40 |
| 2026-08-11 00:00 |
13:33:48.12 |
-14:21:23.5 |
HIP 66076 |
35.99 |
| 2026-08-11 12:00 |
13:34:01.06 |
-14:22:50.9 |
HIP 66076 |
38.74 |
| 2026-08-12 00:00 |
13:34:14.11 |
-14:24:19.0 |
HIP 66338 |
40.83 |
| 2026-08-12 12:00 |
13:34:27.29 |
-14:25:47.8 |
HIP 66338 |
37.95 |
| 2026-08-13 00:00 |
13:34:40.59 |
-14:27:17.2 |
HIP 66338 |
35.15 |
| 2026-08-13 12:00 |
13:34:54.02 |
-14:28:47.3 |
HIP 66338 |
32.48 |
| 2026-08-14 00:00 |
13:35:07.56 |
-14:30:18.0 |
HIP 66338 |
29.98 |
| 2026-08-14 12:00 |
13:35:21.22 |
-14:31:49.4 |
HIP 66338 |
27.71 |
| 2026-08-15 00:00 |
13:35:34.99 |
-14:33:21.5 |
HIP 66338 |
25.74 |
| 2026-08-15 12:00 |
13:35:48.89 |
-14:34:54.2 |
HIP 66338 |
24.17 |
| 2026-08-16 00:00 |
13:36:02.90 |
-14:36:27.6 |
HIP 66338 |
23.07 |
| 2026-08-16 12:00 |
13:36:17.02 |
-14:38:01.6 |
HIP 66338 |
22.55 |
| 2026-08-17 00:00 |
13:36:31.26 |
-14:39:36.2 |
HIP 66512 |
22.21 |
| 2026-08-17 12:00 |
13:36:45.62 |
-14:41:11.5 |
HIP 66512 |
19.21 |
| 2026-08-18 00:00 |
13:37:00.08 |
-14:42:47.3 |
HIP 66512 |
16.53 |
| 2026-08-18 12:00 |
13:37:14.66 |
-14:44:23.8 |
HIP 66512 |
14.38 |
| 2026-08-19 00:00 |
13:37:29.35 |
-14:46:00.9 |
HIP 66512 |
13.05 |