メタデータ
| 項目 |
値 |
| Designation |
354P/LINEAR |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2013-05-21T23:06:18.938880Z |
| Orbit solution date (soln_date, UTC) |
2024-04-16T15:09:05Z |
| Obs used |
250 |
| NEO |
- |
| M1 |
15.600 |
| K1 |
10.000 |
| PC |
- |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2014-02-13.0000000 |
| e |
0.12497150 |
| q (au) |
2.003549 |
| a (au) |
2.289696 |
| i (deg) |
5.256074 |
| Ω (om, deg) |
320.235372 |
| ω (w, deg) |
132.732437 |
| M (ma, deg) |
75.964266 |
等級
散乱 + 全体線形
$$
M_a = (16.325 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
16.325 |
| n |
2.000 |
| gf |
0.948 |
| gb |
-0.761 |
| k |
0.999 |
| δ90 |
8.702 |
| 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) |
| 2026-06-01 00:00 |
00:45:31.73 |
+07:27:30.4 |
HIP 3574 |
23.29 |
| 2026-06-01 12:00 |
00:46:18.41 |
+07:33:17.2 |
HIP 3574 |
19.80 |
| 2026-06-02 00:00 |
00:47:05.04 |
+07:39:03.7 |
HIP 3574 |
23.99 |
| 2026-06-02 12:00 |
00:47:51.63 |
+07:44:49.7 |
HIP 3786 |
15.60 |
| 2026-06-03 00:00 |
00:48:38.17 |
+07:50:35.4 |
HIP 3786 |
15.49 |
| 2026-06-03 12:00 |
00:49:24.66 |
+07:56:20.6 |
HIP 3862 |
2.67 |
| 2026-06-04 00:00 |
00:50:11.10 |
+08:02:05.5 |
HIP 3862 |
10.20 |
| 2026-06-04 12:00 |
00:50:57.49 |
+08:07:49.9 |
HIP 3963 |
5.09 |
| 2026-06-05 00:00 |
00:51:43.84 |
+08:13:34.0 |
HIP 3968 |
12.49 |
| 2026-06-05 12:00 |
00:52:30.14 |
+08:19:17.6 |
HIP 4094 |
20.65 |
| 2026-06-06 00:00 |
00:53:16.38 |
+08:25:00.8 |
HIP 4094 |
18.39 |
| 2026-06-06 12:00 |
00:54:02.58 |
+08:30:43.5 |
HIP 4094 |
24.01 |
| 2026-06-07 00:00 |
00:54:48.72 |
+08:36:25.8 |
HIP 4399 |
29.30 |
| 2026-06-07 12:00 |
00:55:34.81 |
+08:42:07.7 |
HIP 4399 |
25.91 |
| 2026-06-08 00:00 |
00:56:20.85 |
+08:47:49.1 |
HIP 4413 |
26.10 |
| 2026-06-08 12:00 |
00:57:06.84 |
+08:53:30.1 |
HIP 4413 |
21.91 |
| 2026-06-09 00:00 |
00:57:52.77 |
+08:59:10.6 |
HIP 4413 |
24.51 |
| 2026-06-09 12:00 |
00:58:38.65 |
+09:04:50.7 |
HIP 4485 |
31.48 |
| 2026-06-10 00:00 |
00:59:24.47 |
+09:10:30.3 |
HIP 4728 |
26.71 |
| 2026-06-10 12:00 |
01:00:10.23 |
+09:16:09.3 |
HIP 4728 |
15.19 |
| 2026-06-11 00:00 |
01:00:55.94 |
+09:21:48.0 |
HIP 4728 |
8.20 |
| 2026-06-11 12:00 |
01:01:41.59 |
+09:27:26.1 |
HIP 4728 |
14.87 |
| 2026-06-12 00:00 |
01:02:27.19 |
+09:33:03.7 |
HIP 4806 |
16.00 |
| 2026-06-12 12:00 |
01:03:12.72 |
+09:38:40.8 |
HIP 5048 |
21.42 |
| 2026-06-13 00:00 |
01:03:58.19 |
+09:44:17.4 |
HIP 5048 |
13.48 |
| 2026-06-13 12:00 |
01:04:43.60 |
+09:49:53.5 |
HIP 5048 |
14.78 |
| 2026-06-14 00:00 |
01:05:28.95 |
+09:55:29.1 |
HIP 5092 |
21.38 |
| 2026-06-14 12:00 |
01:06:14.24 |
+10:01:04.1 |
HIP 5092 |
21.63 |
| 2026-06-15 00:00 |
01:06:59.46 |
+10:06:38.6 |
HIP 5344 |
23.64 |
| 2026-06-15 12:00 |
01:07:44.61 |
+10:12:12.6 |
HIP 5344 |
19.95 |
| 2026-06-16 00:00 |
01:08:29.70 |
+10:17:46.0 |
HIP 5344 |
23.35 |
| 2026-06-16 12:00 |
01:09:14.73 |
+10:23:18.8 |
HIP 5422 |
26.31 |
| 2026-06-17 00:00 |
01:09:59.68 |
+10:28:51.1 |
HIP 5422 |
23.29 |
| 2026-06-17 12:00 |
01:10:44.57 |
+10:34:22.8 |
HIP 5575 |
20.09 |
| 2026-06-18 00:00 |
01:11:29.39 |
+10:39:54.0 |
HIP 5662 |
19.40 |
| 2026-06-18 12:00 |
01:12:14.14 |
+10:45:24.6 |
HIP 5662 |
13.03 |
| 2026-06-19 00:00 |
01:12:58.82 |
+10:50:54.6 |
HIP 5662 |
16.30 |
| 2026-06-19 12:00 |
01:13:43.43 |
+10:56:24.0 |
HIP 5662 |
25.73 |
| 2026-06-20 00:00 |
01:14:27.97 |
+11:01:52.9 |
HIP 5870 |
25.16 |
| 2026-06-20 12:00 |
01:15:12.43 |
+11:07:21.1 |
HIP 5920 |
24.87 |
| 2026-06-21 00:00 |
01:15:56.82 |
+11:12:48.8 |
HIP 5920 |
15.50 |
| 2026-06-21 12:00 |
01:16:41.14 |
+11:18:15.9 |
HIP 5920 |
12.59 |
| 2026-06-22 00:00 |
01:17:25.38 |
+11:23:42.4 |
HIP 5920 |
19.27 |