メタデータ
| 項目 |
値 |
| Designation |
360P/WISE |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2017-08-18T09:32:32.017920Z |
| Orbit solution date (soln_date, UTC) |
2025-01-02T20:12:57Z |
| Obs used |
208 |
| NEO |
- |
| M1 |
18.500 |
| 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) |
2018-07-24.0000000 |
| e |
0.49790664 |
| q (au) |
1.860385 |
| a (au) |
3.705258 |
| i (deg) |
24.078046 |
| Ω (om, deg) |
2.227777 |
| ω (w, deg) |
354.137718 |
| M (ma, deg) |
46.929640 |
等級
散乱 + 全体線形
$$
M_a = (17.701 + 2.007\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
17.701 |
| n |
2.007 |
| gf |
0.973 |
| gb |
-0.500 |
| k |
1.000 |
| δ90 |
9.997 |
| 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) |
| 2026-07-29 00:00 |
09:38:35.75 |
+28:31:55.6 |
HIP 47228 |
15.35 |
| 2026-07-29 12:00 |
09:39:05.07 |
+28:28:49.3 |
HIP 47228 |
22.50 |
| 2026-07-30 00:00 |
09:39:34.39 |
+28:25:43.2 |
HIP 47311 |
29.32 |
| 2026-07-30 12:00 |
09:40:03.69 |
+28:22:37.3 |
HIP 47311 |
30.72 |
| 2026-07-31 00:00 |
09:40:32.99 |
+28:19:31.6 |
HIP 47548 |
26.20 |
| 2026-07-31 12:00 |
09:41:02.27 |
+28:16:26.1 |
HIP 47548 |
20.51 |
| 2026-08-01 00:00 |
09:41:31.55 |
+28:13:20.9 |
HIP 47548 |
16.03 |
| 2026-08-01 12:00 |
09:42:00.82 |
+28:10:15.9 |
HIP 47548 |
13.99 |
| 2026-08-02 00:00 |
09:42:30.07 |
+28:07:11.1 |
HIP 47548 |
15.40 |
| 2026-08-02 12:00 |
09:42:59.31 |
+28:04:06.5 |
HIP 47548 |
19.52 |
| 2026-08-03 00:00 |
09:43:28.54 |
+28:01:02.2 |
HIP 47548 |
25.04 |
| 2026-08-03 12:00 |
09:43:57.76 |
+27:57:58.1 |
HIP 47847 |
20.98 |
| 2026-08-04 00:00 |
09:44:26.97 |
+27:54:54.2 |
HIP 47847 |
14.18 |
| 2026-08-04 12:00 |
09:44:56.16 |
+27:51:50.6 |
HIP 47847 |
8.01 |
| 2026-08-05 00:00 |
09:45:25.34 |
+27:48:47.2 |
HIP 47847 |
5.41 |
| 2026-08-05 12:00 |
09:45:54.50 |
+27:45:44.1 |
HIP 47847 |
9.81 |
| 2026-08-06 00:00 |
09:46:23.65 |
+27:42:41.2 |
HIP 47847 |
16.29 |
| 2026-08-06 12:00 |
09:46:52.78 |
+27:39:38.5 |
HIP 47847 |
23.15 |
| 2026-08-07 00:00 |
09:47:21.90 |
+27:36:36.1 |
HIP 47991 |
27.77 |
| 2026-08-07 12:00 |
09:47:51.00 |
+27:33:33.9 |
HIP 47991 |
27.15 |
| 2026-08-08 00:00 |
09:48:20.09 |
+27:30:32.0 |
HIP 47991 |
28.38 |
| 2026-08-08 12:00 |
09:48:49.16 |
+27:27:30.4 |
HIP 47991 |
31.24 |
| 2026-08-09 00:00 |
09:49:18.21 |
+27:24:29.0 |
HIP 48358 |
30.95 |
| 2026-08-09 12:00 |
09:49:47.24 |
+27:21:27.9 |
HIP 48358 |
26.28 |
| 2026-08-10 00:00 |
09:50:16.25 |
+27:18:27.1 |
HIP 48358 |
22.91 |
| 2026-08-10 12:00 |
09:50:45.25 |
+27:15:26.5 |
HIP 48358 |
21.44 |
| 2026-08-11 00:00 |
09:51:14.22 |
+27:12:26.2 |
HIP 48429 |
20.95 |
| 2026-08-11 12:00 |
09:51:43.18 |
+27:09:26.2 |
HIP 48429 |
14.22 |
| 2026-08-12 00:00 |
09:52:12.11 |
+27:06:26.4 |
HIP 48429 |
8.15 |
| 2026-08-12 12:00 |
09:52:41.02 |
+27:03:27.0 |
HIP 48429 |
5.61 |
| 2026-08-13 00:00 |
09:53:09.90 |
+27:00:27.8 |
HIP 48429 |
9.87 |
| 2026-08-13 12:00 |
09:53:38.77 |
+26:57:28.9 |
HIP 48429 |
16.24 |
| 2026-08-14 00:00 |
09:54:07.60 |
+26:54:30.4 |
HIP 48429 |
23.04 |
| 2026-08-14 12:00 |
09:54:36.42 |
+26:51:32.1 |
HIP 48696 |
16.82 |
| 2026-08-15 00:00 |
09:55:05.21 |
+26:48:34.1 |
HIP 48696 |
10.70 |
| 2026-08-15 12:00 |
09:55:33.97 |
+26:45:36.5 |
HIP 48696 |
6.76 |
| 2026-08-16 00:00 |
09:56:02.71 |
+26:42:39.2 |
HIP 48696 |
8.76 |
| 2026-08-16 12:00 |
09:56:31.42 |
+26:39:42.1 |
HIP 48696 |
14.40 |
| 2026-08-17 00:00 |
09:57:00.10 |
+26:36:45.4 |
HIP 48696 |
20.91 |
| 2026-08-17 12:00 |
09:57:28.76 |
+26:33:49.0 |
HIP 48696 |
27.68 |
| 2026-08-18 00:00 |
09:57:57.38 |
+26:30:53.0 |
HIP 48984 |
30.80 |
| 2026-08-18 12:00 |
09:58:25.98 |
+26:27:57.2 |
HIP 48984 |
24.18 |
| 2026-08-19 00:00 |
09:58:54.54 |
+26:25:01.8 |
HIP 48984 |
17.90 |