メタデータ
| 項目 |
値 |
| Designation |
412P/WISE |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2015-06-14T00:01:38.400960Z |
| Orbit solution date (soln_date, UTC) |
2025-04-09T14:05:32Z |
| Obs used |
74 |
| NEO |
- |
| M1 |
15.200 |
| K1 |
20.000 |
| PC |
0.030 |
| Discovery observation (MPC, UTC) |
2020-12-19T10:55:12.864000Z |
| Discovery magnitude (MPC) |
20.10 T |
| Discovery observatory (MPC) |
G37 · Lowell Discovery Telescope |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2013-11-03.0000000 |
| e |
0.48090203 |
| q (au) |
1.612615 |
| a (au) |
3.106572 |
| i (deg) |
8.937369 |
| Ω (om, deg) |
0.856614 |
| ω (w, deg) |
155.962875 |
| M (ma, deg) |
254.157519 |
等級
散乱 + 全体線形
$$
M_a = (15.724 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
15.724 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.999 |
| 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) |
| 2026-03-26 00:00 |
05:39:11.77 |
+31:50:36.7 |
HIP 26718 |
19.71 |
| 2026-03-26 12:00 |
05:40:20.84 |
+31:48:29.0 |
HIP 26718 |
8.12 |
| 2026-03-27 00:00 |
05:41:30.21 |
+31:46:20.0 |
HIP 26863 |
10.84 |
| 2026-03-27 12:00 |
05:42:39.88 |
+31:44:09.4 |
HIP 26863 |
10.09 |
| 2026-03-28 00:00 |
05:43:49.85 |
+31:41:57.4 |
HIP 26863 |
23.17 |
| 2026-03-28 12:00 |
05:45:00.12 |
+31:39:43.8 |
HIP 27164 |
21.19 |
| 2026-03-29 00:00 |
05:46:10.68 |
+31:37:28.7 |
HIP 27164 |
20.01 |
| 2026-03-29 12:00 |
05:47:21.53 |
+31:35:12.1 |
HIP 27164 |
28.58 |
| 2026-03-30 00:00 |
05:48:32.66 |
+31:32:53.8 |
HIP 27538 |
22.67 |
| 2026-03-30 12:00 |
05:49:44.08 |
+31:30:33.9 |
HIP 27538 |
16.76 |
| 2026-03-31 00:00 |
05:50:55.77 |
+31:28:12.3 |
HIP 27635 |
9.03 |
| 2026-03-31 12:00 |
05:52:07.74 |
+31:25:49.0 |
HIP 27635 |
18.12 |
| 2026-04-01 00:00 |
05:53:19.98 |
+31:23:24.1 |
HIP 27973 |
28.21 |
| 2026-04-01 12:00 |
05:54:32.48 |
+31:20:57.4 |
HIP 27973 |
21.90 |
| 2026-04-02 00:00 |
05:55:45.25 |
+31:18:28.9 |
HIP 27973 |
25.61 |
| 2026-04-02 12:00 |
05:56:58.28 |
+31:15:58.6 |
HIP 28324 |
30.19 |
| 2026-04-03 00:00 |
05:58:11.57 |
+31:13:26.5 |
HIP 28324 |
16.00 |
| 2026-04-03 12:00 |
05:59:25.11 |
+31:10:52.6 |
HIP 28324 |
10.23 |
| 2026-04-04 00:00 |
06:00:38.90 |
+31:08:16.8 |
HIP 28517 |
9.11 |
| 2026-04-04 12:00 |
06:01:52.94 |
+31:05:39.2 |
HIP 28517 |
9.86 |
| 2026-04-05 00:00 |
06:03:07.23 |
+31:02:59.6 |
HIP 28715 |
19.42 |
| 2026-04-05 12:00 |
06:04:21.75 |
+31:00:18.1 |
HIP 28715 |
20.30 |
| 2026-04-06 00:00 |
06:05:36.52 |
+30:57:34.6 |
HIP 28929 |
28.91 |
| 2026-04-06 12:00 |
06:06:51.52 |
+30:54:49.1 |
HIP 29050 |
17.58 |
| 2026-04-07 00:00 |
06:08:06.76 |
+30:52:01.6 |
HIP 29050 |
11.97 |
| 2026-04-07 12:00 |
06:09:22.22 |
+30:49:12.1 |
HIP 29301 |
18.48 |
| 2026-04-08 00:00 |
06:10:37.91 |
+30:46:20.5 |
HIP 29301 |
11.09 |
| 2026-04-08 12:00 |
06:11:53.82 |
+30:43:26.8 |
HIP 29301 |
21.24 |
| 2026-04-09 00:00 |
06:13:09.96 |
+30:40:31.1 |
HIP 29617 |
18.26 |
| 2026-04-09 12:00 |
06:14:26.31 |
+30:37:33.2 |
HIP 29617 |
9.43 |
| 2026-04-10 00:00 |
06:15:42.87 |
+30:34:33.2 |
HIP 29742 |
12.62 |
| 2026-04-10 12:00 |
06:16:59.65 |
+30:31:31.0 |
HIP 29742 |
21.60 |
| 2026-04-11 00:00 |
06:18:16.64 |
+30:28:26.6 |
HIP 30115 |
26.20 |
| 2026-04-11 12:00 |
06:19:33.83 |
+30:25:20.1 |
HIP 30115 |
9.35 |
| 2026-04-12 00:00 |
06:20:51.22 |
+30:22:11.2 |
HIP 30182 |
7.34 |
| 2026-04-12 12:00 |
06:22:08.81 |
+30:19:00.2 |
HIP 30182 |
15.11 |
| 2026-04-13 00:00 |
06:23:26.60 |
+30:15:46.9 |
HIP 30510 |
22.14 |
| 2026-04-13 12:00 |
06:24:44.58 |
+30:12:31.3 |
HIP 30510 |
10.18 |
| 2026-04-14 00:00 |
06:26:02.76 |
+30:09:13.4 |
HIP 30510 |
17.54 |
| 2026-04-14 12:00 |
06:27:21.12 |
+30:05:53.1 |
HIP 30855 |
21.11 |
| 2026-04-15 00:00 |
06:28:39.66 |
+30:02:30.5 |
HIP 30855 |
14.64 |
| 2026-04-15 12:00 |
06:29:58.38 |
+29:59:05.6 |
HIP 31036 |
13.88 |
| 2026-04-16 00:00 |
06:31:17.29 |
+29:55:38.3 |
HIP 31036 |
9.07 |