メタデータ
| 項目 |
値 |
| Designation |
11P/Tempel-Swift-LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2020-11-26T00:20:20.598720Z |
| Orbit solution date (soln_date, UTC) |
2023-10-10T12:58:29Z |
| Obs used |
1182 |
| NEO |
- |
| M1 |
15.200 |
| K1 |
20.000 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2019-11-02.0000000 |
| e |
0.57742214 |
| q (au) |
1.389708 |
| a (au) |
3.288645 |
| i (deg) |
14.435582 |
| Ω (om, deg) |
238.987024 |
| ω (w, deg) |
167.767374 |
| M (ma, deg) |
295.544649 |
等級
散乱 + 全体線形
$$
M_a = (7.255 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
7.255 |
| n |
2.000 |
| gf |
0.999 |
| gb |
-0.501 |
| k |
1.000 |
| δ90 |
10.000 |
| 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) |
| 2026-03-26 00:00 |
21:06:12.59 |
-05:38:34.0 |
HIP 104165 |
5.76 |
| 2026-03-26 12:00 |
21:06:59.22 |
-05:33:29.3 |
HIP 104165 |
10.16 |
| 2026-03-27 00:00 |
21:07:45.85 |
-05:28:23.4 |
HIP 104294 |
5.62 |
| 2026-03-27 12:00 |
21:08:32.47 |
-05:23:16.1 |
HIP 104395 |
13.19 |
| 2026-03-28 00:00 |
21:09:19.07 |
-05:18:07.6 |
HIP 104395 |
17.62 |
| 2026-03-28 12:00 |
21:10:05.67 |
-05:12:57.8 |
HIP 104433 |
19.72 |
| 2026-03-29 00:00 |
21:10:52.26 |
-05:07:46.7 |
HIP 104610 |
14.04 |
| 2026-03-29 12:00 |
21:11:38.84 |
-05:02:34.3 |
HIP 104610 |
16.18 |
| 2026-03-30 00:00 |
21:12:25.41 |
-04:57:20.6 |
HIP 104686 |
23.77 |
| 2026-03-30 12:00 |
21:13:11.98 |
-04:52:05.6 |
HIP 104686 |
22.56 |
| 2026-03-31 00:00 |
21:13:58.53 |
-04:46:49.3 |
HIP 104686 |
27.87 |
| 2026-03-31 12:00 |
21:14:45.07 |
-04:41:31.8 |
HIP 104743 |
34.21 |
| 2026-04-01 00:00 |
21:15:31.61 |
-04:36:12.9 |
HIP 105075 |
32.96 |
| 2026-04-01 12:00 |
21:16:18.14 |
-04:30:52.8 |
HIP 105075 |
21.07 |
| 2026-04-02 00:00 |
21:17:04.65 |
-04:25:31.4 |
HIP 105075 |
11.25 |
| 2026-04-02 12:00 |
21:17:51.16 |
-04:20:08.6 |
HIP 105075 |
11.63 |
| 2026-04-03 00:00 |
21:18:37.66 |
-04:14:44.6 |
HIP 105164 |
17.71 |
| 2026-04-03 12:00 |
21:19:24.16 |
-04:09:19.3 |
HIP 105164 |
28.45 |
| 2026-04-04 00:00 |
21:20:10.64 |
-04:03:52.7 |
HIP 105483 |
26.49 |
| 2026-04-04 12:00 |
21:20:57.11 |
-03:58:24.7 |
HIP 105483 |
18.51 |
| 2026-04-05 00:00 |
21:21:43.58 |
-03:52:55.5 |
HIP 105483 |
17.69 |
| 2026-04-05 12:00 |
21:22:30.04 |
-03:47:25.0 |
HIP 105563 |
15.40 |
| 2026-04-06 00:00 |
21:23:16.48 |
-03:41:53.2 |
HIP 105563 |
11.33 |
| 2026-04-06 12:00 |
21:24:02.92 |
-03:36:20.1 |
HIP 105729 |
17.40 |
| 2026-04-07 00:00 |
21:24:49.35 |
-03:30:45.7 |
HIP 105729 |
6.89 |
| 2026-04-07 12:00 |
21:25:35.77 |
-03:25:10.0 |
HIP 105767 |
9.47 |
| 2026-04-08 00:00 |
21:26:22.18 |
-03:19:33.0 |
HIP 105767 |
21.37 |
| 2026-04-08 12:00 |
21:27:08.58 |
-03:13:54.7 |
HIP 105993 |
14.56 |
| 2026-04-09 00:00 |
21:27:54.98 |
-03:08:15.1 |
HIP 105993 |
1.68 |
| 2026-04-09 12:00 |
21:28:41.36 |
-03:02:34.2 |
HIP 106015 |
10.66 |
| 2026-04-10 00:00 |
21:29:27.73 |
-02:56:52.1 |
HIP 106015 |
16.92 |
| 2026-04-10 12:00 |
21:30:14.09 |
-02:51:08.6 |
HIP 106015 |
28.14 |
| 2026-04-11 00:00 |
21:31:00.44 |
-02:45:23.8 |
HIP 106015 |
40.39 |
| 2026-04-11 12:00 |
21:31:46.78 |
-02:39:37.8 |
HIP 106439 |
27.72 |
| 2026-04-12 00:00 |
21:32:33.11 |
-02:33:50.4 |
HIP 106439 |
14.96 |
| 2026-04-12 12:00 |
21:33:19.43 |
-02:28:01.8 |
HIP 106439 |
3.77 |
| 2026-04-13 00:00 |
21:34:05.74 |
-02:22:11.8 |
HIP 106461 |
5.20 |
| 2026-04-13 12:00 |
21:34:52.04 |
-02:16:20.6 |
HIP 106461 |
17.75 |
| 2026-04-14 00:00 |
21:35:38.32 |
-02:10:28.1 |
HIP 106461 |
30.65 |
| 2026-04-14 12:00 |
21:36:24.60 |
-02:04:34.3 |
HIP 106825 |
29.34 |
| 2026-04-15 00:00 |
21:37:10.86 |
-01:58:39.2 |
HIP 106857 |
20.38 |
| 2026-04-15 12:00 |
21:37:57.11 |
-01:52:42.9 |
HIP 106857 |
11.96 |
| 2026-04-16 00:00 |
21:38:43.34 |
-01:46:45.3 |
HIP 106857 |
14.44 |