メタデータ
| 項目 |
値 |
| Designation |
33P/Daniel |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2016-08-22T10:20:16.540800Z |
| Orbit solution date (soln_date, UTC) |
2025-05-09T00:48:39Z |
| Obs used |
773 |
| NEO |
- |
| M1 |
15.500 |
| 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) |
2016-01-24.0000000 |
| e |
0.46319414 |
| q (au) |
2.160176 |
| a (au) |
4.024129 |
| i (deg) |
22.393082 |
| Ω (om, deg) |
66.494295 |
| ω (w, deg) |
19.055486 |
| M (ma, deg) |
334.185460 |
等級
散乱 + 全体線形
$$
M_a = (17.156 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
17.156 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.667 |
| k |
0.800 |
| 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 |
14:10:45.96 |
+09:14:19.6 |
HIP 69359 |
20.40 |
| 2026-03-26 12:00 |
14:10:26.95 |
+09:15:56.4 |
HIP 69359 |
23.28 |
| 2026-03-27 00:00 |
14:10:07.78 |
+09:17:32.2 |
HIP 69359 |
26.81 |
| 2026-03-27 12:00 |
14:09:48.44 |
+09:19:07.2 |
HIP 69359 |
30.79 |
| 2026-03-28 00:00 |
14:09:28.94 |
+09:20:41.1 |
HIP 69359 |
35.09 |
| 2026-03-28 12:00 |
14:09:09.29 |
+09:22:14.1 |
HIP 69301 |
37.58 |
| 2026-03-29 00:00 |
14:08:49.48 |
+09:23:46.0 |
HIP 69301 |
40.50 |
| 2026-03-29 12:00 |
14:08:29.53 |
+09:25:16.9 |
HIP 69301 |
43.86 |
| 2026-03-30 00:00 |
14:08:09.43 |
+09:26:46.7 |
HIP 68868 |
39.97 |
| 2026-03-30 12:00 |
14:07:49.18 |
+09:28:15.4 |
HIP 68868 |
35.36 |
| 2026-03-31 00:00 |
14:07:28.81 |
+09:29:43.0 |
HIP 68868 |
30.94 |
| 2026-03-31 12:00 |
14:07:08.29 |
+09:31:09.5 |
HIP 68868 |
26.80 |
| 2026-04-01 00:00 |
14:06:47.65 |
+09:32:34.8 |
HIP 68868 |
23.12 |
| 2026-04-01 12:00 |
14:06:26.88 |
+09:33:58.9 |
HIP 68868 |
20.19 |
| 2026-04-02 00:00 |
14:06:05.99 |
+09:35:21.8 |
HIP 68868 |
18.38 |
| 2026-04-02 12:00 |
14:05:44.98 |
+09:36:43.4 |
HIP 68868 |
18.04 |
| 2026-04-03 00:00 |
14:05:23.85 |
+09:38:03.8 |
HIP 68868 |
19.29 |
| 2026-04-03 12:00 |
14:05:02.62 |
+09:39:22.9 |
HIP 68801 |
21.43 |
| 2026-04-04 00:00 |
14:04:41.27 |
+09:40:40.6 |
HIP 68801 |
20.88 |
| 2026-04-04 12:00 |
14:04:19.82 |
+09:41:57.1 |
HIP 68663 |
17.05 |
| 2026-04-05 00:00 |
14:03:58.28 |
+09:43:12.2 |
HIP 68663 |
13.67 |
| 2026-04-05 12:00 |
14:03:36.63 |
+09:44:25.9 |
HIP 68663 |
11.91 |
| 2026-04-06 00:00 |
14:03:14.90 |
+09:45:38.2 |
HIP 68594 |
11.48 |
| 2026-04-06 12:00 |
14:02:53.08 |
+09:46:49.0 |
HIP 68594 |
7.68 |
| 2026-04-07 00:00 |
14:02:31.17 |
+09:47:58.5 |
HIP 68594 |
6.80 |
| 2026-04-07 12:00 |
14:02:09.19 |
+09:49:06.4 |
HIP 68594 |
9.71 |
| 2026-04-08 00:00 |
14:01:47.13 |
+09:50:12.9 |
HIP 68594 |
14.27 |
| 2026-04-08 12:00 |
14:01:25.00 |
+09:51:17.9 |
HIP 68594 |
19.35 |
| 2026-04-09 00:00 |
14:01:02.81 |
+09:52:21.3 |
HIP 68594 |
24.65 |
| 2026-04-09 12:00 |
14:00:40.55 |
+09:53:23.2 |
HIP 68594 |
30.04 |
| 2026-04-10 00:00 |
14:00:18.23 |
+09:54:23.5 |
HIP 68251 |
32.11 |
| 2026-04-10 12:00 |
13:59:55.86 |
+09:55:22.2 |
HIP 68251 |
26.75 |
| 2026-04-11 00:00 |
13:59:33.43 |
+09:56:19.3 |
HIP 68251 |
21.51 |
| 2026-04-11 12:00 |
13:59:10.97 |
+09:57:14.7 |
HIP 68251 |
16.53 |
| 2026-04-12 00:00 |
13:58:48.46 |
+09:58:08.5 |
HIP 68251 |
12.12 |
| 2026-04-12 12:00 |
13:58:25.91 |
+09:59:00.6 |
HIP 68251 |
9.18 |
| 2026-04-13 00:00 |
13:58:03.34 |
+09:59:51.1 |
HIP 68251 |
9.22 |
| 2026-04-13 12:00 |
13:57:40.73 |
+10:00:39.8 |
HIP 68251 |
12.23 |
| 2026-04-14 00:00 |
13:57:18.10 |
+10:01:26.8 |
HIP 68251 |
16.68 |
| 2026-04-14 12:00 |
13:56:55.45 |
+10:02:12.1 |
HIP 68156 |
16.72 |
| 2026-04-15 00:00 |
13:56:32.78 |
+10:02:55.5 |
HIP 68156 |
18.27 |
| 2026-04-15 12:00 |
13:56:10.11 |
+10:03:37.2 |
HIP 68156 |
21.25 |
| 2026-04-16 00:00 |
13:55:47.43 |
+10:04:17.2 |
HIP 68156 |
25.18 |