メタデータ
| 項目 |
値 |
| Designation |
188P/LINEAR-Mueller |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2007-12-17T16:57:02.488320Z |
| Orbit solution date (soln_date, UTC) |
2026-03-07T15:25:41Z |
| Obs used |
1256 |
| NEO |
- |
| M1 |
14.500 |
| K1 |
4.500 |
| PC |
- |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2012-01-04.0000000 |
| e |
0.41643885 |
| q (au) |
2.554705 |
| a (au) |
4.377784 |
| i (deg) |
10.537674 |
| Ω (om, deg) |
359.121661 |
| ω (w, deg) |
26.667330 |
| M (ma, deg) |
159.068176 |
等級
散乱 + 全体線形
$$
M_a = (9.501 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
9.501 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-1.000 |
| 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
ファインディングチャート
天体暦
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-05-12 00:00 |
02:18:30.14 |
+18:27:22.3 |
HIP 10701 |
10.62 |
| 2026-05-12 12:00 |
02:19:25.51 |
+18:33:01.1 |
HIP 10955 |
24.11 |
| 2026-05-13 00:00 |
02:20:20.91 |
+18:38:39.2 |
HIP 10955 |
11.47 |
| 2026-05-13 12:00 |
02:21:16.33 |
+18:44:16.4 |
HIP 10955 |
9.47 |
| 2026-05-14 00:00 |
02:22:11.79 |
+18:49:52.8 |
HIP 11081 |
15.60 |
| 2026-05-14 12:00 |
02:23:07.26 |
+18:55:28.3 |
HIP 11081 |
10.44 |
| 2026-05-15 00:00 |
02:24:02.77 |
+19:01:03.0 |
HIP 11081 |
19.53 |
| 2026-05-15 12:00 |
02:24:58.30 |
+19:06:36.8 |
HIP 11355 |
21.73 |
| 2026-05-16 00:00 |
02:25:53.85 |
+19:12:09.7 |
HIP 11355 |
18.48 |
| 2026-05-16 12:00 |
02:26:49.43 |
+19:17:41.8 |
HIP 11316 |
22.64 |
| 2026-05-17 00:00 |
02:27:45.03 |
+19:23:13.0 |
HIP 11539 |
14.31 |
| 2026-05-17 12:00 |
02:28:40.65 |
+19:28:43.4 |
HIP 11539 |
7.34 |
| 2026-05-18 00:00 |
02:29:36.30 |
+19:34:12.8 |
HIP 11539 |
17.53 |
| 2026-05-18 12:00 |
02:30:31.97 |
+19:39:41.4 |
HIP 11678 |
11.73 |
| 2026-05-19 00:00 |
02:31:27.66 |
+19:45:09.0 |
HIP 11678 |
13.13 |
| 2026-05-19 12:00 |
02:32:23.37 |
+19:50:35.8 |
HIP 11678 |
24.70 |
| 2026-05-20 00:00 |
02:33:19.10 |
+19:56:01.6 |
HIP 11968 |
15.43 |
| 2026-05-20 12:00 |
02:34:14.85 |
+20:01:26.5 |
HIP 11968 |
3.10 |
| 2026-05-21 00:00 |
02:35:10.62 |
+20:06:50.5 |
HIP 12097 |
11.84 |
| 2026-05-21 12:00 |
02:36:06.42 |
+20:12:13.6 |
HIP 12097 |
3.26 |
| 2026-05-22 00:00 |
02:37:02.23 |
+20:17:35.7 |
HIP 12097 |
16.78 |
| 2026-05-22 12:00 |
02:37:58.05 |
+20:22:57.0 |
HIP 12238 |
12.81 |
| 2026-05-23 00:00 |
02:38:53.90 |
+20:28:17.2 |
HIP 12238 |
19.63 |
| 2026-05-23 12:00 |
02:39:49.77 |
+20:33:36.6 |
HIP 12238 |
31.71 |
| 2026-05-24 00:00 |
02:40:45.65 |
+20:38:54.9 |
HIP 12591 |
18.00 |
| 2026-05-24 12:00 |
02:41:41.55 |
+20:44:12.4 |
HIP 12591 |
3.94 |
| 2026-05-25 00:00 |
02:42:37.47 |
+20:49:28.8 |
HIP 12591 |
10.22 |
| 2026-05-25 12:00 |
02:43:33.40 |
+20:54:44.3 |
HIP 12733 |
14.20 |
| 2026-05-26 00:00 |
02:44:29.35 |
+20:59:58.9 |
HIP 12733 |
14.32 |
| 2026-05-26 12:00 |
02:45:25.32 |
+21:05:12.4 |
HIP 12899 |
24.22 |
| 2026-05-27 00:00 |
02:46:21.30 |
+21:10:25.1 |
HIP 13029 |
18.65 |
| 2026-05-27 12:00 |
02:47:17.30 |
+21:15:36.7 |
HIP 13029 |
5.68 |
| 2026-05-28 00:00 |
02:48:13.31 |
+21:20:47.3 |
HIP 13029 |
10.55 |
| 2026-05-28 12:00 |
02:49:09.34 |
+21:25:57.0 |
HIP 13152 |
10.40 |
| 2026-05-29 00:00 |
02:50:05.39 |
+21:31:05.7 |
HIP 13152 |
20.32 |
| 2026-05-29 12:00 |
02:51:01.45 |
+21:36:13.4 |
HIP 13253 |
31.27 |
| 2026-05-30 00:00 |
02:51:57.52 |
+21:41:20.1 |
HIP 13253 |
32.04 |
| 2026-05-30 12:00 |
02:52:53.60 |
+21:46:25.8 |
HIP 13589 |
32.30 |
| 2026-05-31 00:00 |
02:53:49.71 |
+21:51:30.5 |
HIP 13589 |
23.52 |
| 2026-05-31 12:00 |
02:54:45.82 |
+21:56:34.2 |
HIP 13589 |
21.31 |
| 2026-06-01 00:00 |
02:55:41.95 |
+22:01:36.9 |
HIP 13589 |
27.29 |
| 2026-06-01 12:00 |
02:56:38.09 |
+22:06:38.6 |
HIP 13890 |
31.64 |
| 2026-06-02 00:00 |
02:57:34.24 |
+22:11:39.3 |
HIP 13890 |
21.28 |