メタデータ
| 項目 |
値 |
| Designation |
P/2011 V1 (Boattini) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2011-05-11T22:09:40.135680Z |
| Orbit solution date (soln_date, UTC) |
2023-10-29T03:13:06Z |
| Obs used |
26 |
| NEO |
- |
| M1 |
17.700 |
| 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) |
2011-11-01.0000000 |
| e |
0.55532072 |
| q (au) |
1.709344 |
| a (au) |
3.843992 |
| i (deg) |
7.397717 |
| Ω (om, deg) |
60.084820 |
| ω (w, deg) |
259.544253 |
| M (ma, deg) |
22.634386 |
等級
散乱 + 全体線形
$$
M_a = (17.269 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
17.269 |
| n |
2.000 |
| gf |
0.999 |
| 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) |
| 2026-09-20 00:00 |
02:40:37.95 |
+10:31:34.4 |
HIP 12497 |
10.78 |
| 2026-09-20 12:00 |
02:40:26.05 |
+10:31:56.4 |
HIP 12497 |
12.09 |
| 2026-09-21 00:00 |
02:40:13.67 |
+10:32:16.8 |
HIP 12497 |
13.96 |
| 2026-09-21 12:00 |
02:40:00.81 |
+10:32:35.8 |
HIP 12354 |
15.19 |
| 2026-09-22 00:00 |
02:39:47.49 |
+10:32:53.3 |
HIP 12354 |
12.07 |
| 2026-09-22 12:00 |
02:39:33.70 |
+10:33:09.4 |
HIP 12354 |
9.00 |
| 2026-09-23 00:00 |
02:39:19.44 |
+10:33:24.0 |
HIP 12354 |
6.23 |
| 2026-09-23 12:00 |
02:39:04.72 |
+10:33:37.2 |
HIP 12354 |
4.62 |
| 2026-09-24 00:00 |
02:38:49.55 |
+10:33:49.0 |
HIP 12354 |
5.58 |
| 2026-09-24 12:00 |
02:38:33.92 |
+10:33:59.3 |
HIP 12354 |
8.40 |
| 2026-09-25 00:00 |
02:38:17.85 |
+10:34:08.3 |
HIP 12354 |
11.92 |
| 2026-09-25 12:00 |
02:38:01.34 |
+10:34:15.9 |
HIP 12354 |
15.76 |
| 2026-09-26 00:00 |
02:37:44.39 |
+10:34:22.2 |
HIP 12354 |
19.80 |
| 2026-09-26 12:00 |
02:37:27.00 |
+10:34:27.1 |
HIP 12354 |
23.99 |
| 2026-09-27 00:00 |
02:37:09.19 |
+10:34:30.6 |
HIP 12354 |
28.32 |
| 2026-09-27 12:00 |
02:36:50.95 |
+10:34:32.9 |
HIP 12194 |
29.14 |
| 2026-09-28 00:00 |
02:36:32.30 |
+10:34:33.8 |
HIP 12076 |
29.87 |
| 2026-09-28 12:00 |
02:36:13.23 |
+10:34:33.5 |
HIP 11985 |
26.53 |
| 2026-09-29 00:00 |
02:35:53.76 |
+10:34:31.8 |
HIP 11985 |
22.31 |
| 2026-09-29 12:00 |
02:35:33.88 |
+10:34:29.0 |
HIP 11985 |
18.30 |
| 2026-09-30 00:00 |
02:35:13.60 |
+10:34:24.9 |
HIP 11985 |
14.79 |
| 2026-09-30 12:00 |
02:34:52.94 |
+10:34:19.5 |
HIP 11985 |
12.32 |
| 2026-10-01 00:00 |
02:34:31.89 |
+10:34:13.0 |
HIP 11985 |
11.71 |
| 2026-10-01 12:00 |
02:34:10.46 |
+10:34:05.2 |
HIP 11985 |
13.32 |
| 2026-10-02 00:00 |
02:33:48.66 |
+10:33:56.4 |
HIP 11985 |
16.61 |
| 2026-10-02 12:00 |
02:33:26.50 |
+10:33:46.3 |
HIP 11985 |
20.86 |
| 2026-10-03 00:00 |
02:33:03.97 |
+10:33:35.1 |
HIP 11864 |
25.36 |
| 2026-10-03 12:00 |
02:32:41.09 |
+10:33:22.9 |
HIP 11864 |
25.84 |
| 2026-10-04 00:00 |
02:32:17.87 |
+10:33:09.5 |
HIP 11864 |
27.50 |
| 2026-10-04 12:00 |
02:31:54.31 |
+10:32:55.1 |
HIP 11864 |
30.21 |
| 2026-10-05 00:00 |
02:31:30.41 |
+10:32:39.6 |
HIP 11864 |
33.75 |
| 2026-10-05 12:00 |
02:31:06.20 |
+10:32:23.2 |
HIP 11665 |
32.66 |
| 2026-10-06 00:00 |
02:30:41.67 |
+10:32:05.7 |
HIP 11665 |
31.79 |
| 2026-10-06 12:00 |
02:30:16.83 |
+10:31:47.3 |
HIP 11506 |
28.34 |
| 2026-10-07 00:00 |
02:29:51.70 |
+10:31:28.0 |
HIP 11506 |
22.22 |
| 2026-10-07 12:00 |
02:29:26.27 |
+10:31:07.8 |
HIP 11506 |
16.09 |
| 2026-10-08 00:00 |
02:29:00.57 |
+10:30:46.7 |
HIP 11506 |
10.05 |
| 2026-10-08 12:00 |
02:28:34.59 |
+10:30:24.7 |
HIP 11506 |
4.80 |
| 2026-10-09 00:00 |
02:28:08.35 |
+10:30:02.0 |
HIP 11506 |
5.23 |
| 2026-10-09 12:00 |
02:27:41.85 |
+10:29:38.4 |
HIP 11506 |
10.79 |
| 2026-10-10 00:00 |
02:27:15.11 |
+10:29:14.1 |
HIP 11390 |
8.63 |
| 2026-10-10 12:00 |
02:26:48.14 |
+10:28:49.1 |
HIP 11390 |
5.14 |
| 2026-10-11 00:00 |
02:26:20.93 |
+10:28:23.4 |
HIP 11390 |
8.21 |