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) |
| 2026-07-29 00:00 |
02:15:20.39 |
+07:05:30.4 |
HIP 10500 |
24.21 |
| 2026-07-29 12:00 |
02:15:57.44 |
+07:09:06.9 |
HIP 10500 |
22.42 |
| 2026-07-30 00:00 |
02:16:34.14 |
+07:12:41.6 |
HIP 10500 |
24.74 |
| 2026-07-30 12:00 |
02:17:10.50 |
+07:16:14.2 |
HIP 10500 |
30.15 |
| 2026-07-31 00:00 |
02:17:46.50 |
+07:19:45.0 |
HIP 10781 |
26.99 |
| 2026-07-31 12:00 |
02:18:22.15 |
+07:23:13.8 |
HIP 10781 |
20.01 |
| 2026-08-01 00:00 |
02:18:57.44 |
+07:26:40.6 |
HIP 10781 |
15.92 |
| 2026-08-01 12:00 |
02:19:32.37 |
+07:30:05.5 |
HIP 10781 |
16.79 |
| 2026-08-02 00:00 |
02:20:06.94 |
+07:33:28.5 |
HIP 10781 |
21.92 |
| 2026-08-02 12:00 |
02:20:41.14 |
+07:36:49.5 |
HIP 10920 |
26.27 |
| 2026-08-03 00:00 |
02:21:14.97 |
+07:40:08.5 |
HIP 11005 |
30.30 |
| 2026-08-03 12:00 |
02:21:48.44 |
+07:43:25.6 |
HIP 11005 |
32.53 |
| 2026-08-04 00:00 |
02:22:21.52 |
+07:46:40.8 |
HIP 11005 |
36.79 |
| 2026-08-04 12:00 |
02:22:54.24 |
+07:49:53.9 |
HIP 11005 |
42.42 |
| 2026-08-05 00:00 |
02:23:26.57 |
+07:53:05.1 |
HIP 11338 |
40.25 |
| 2026-08-05 12:00 |
02:23:58.52 |
+07:56:14.4 |
HIP 11338 |
31.77 |
| 2026-08-06 00:00 |
02:24:30.08 |
+07:59:21.7 |
HIP 11338 |
23.41 |
| 2026-08-06 12:00 |
02:25:01.26 |
+08:02:27.0 |
HIP 11338 |
15.21 |
| 2026-08-07 00:00 |
02:25:32.04 |
+08:05:30.4 |
HIP 11338 |
7.35 |
| 2026-08-07 12:00 |
02:26:02.43 |
+08:08:31.8 |
HIP 11338 |
3.36 |
| 2026-08-08 00:00 |
02:26:32.42 |
+08:11:31.2 |
HIP 11338 |
9.90 |
| 2026-08-08 12:00 |
02:27:02.01 |
+08:14:28.6 |
HIP 11338 |
17.58 |
| 2026-08-09 00:00 |
02:27:31.19 |
+08:17:24.1 |
HIP 11484 |
13.93 |
| 2026-08-09 12:00 |
02:27:59.97 |
+08:20:17.6 |
HIP 11484 |
7.68 |
| 2026-08-10 00:00 |
02:28:28.34 |
+08:23:09.2 |
HIP 11484 |
6.44 |
| 2026-08-10 12:00 |
02:28:56.30 |
+08:25:58.8 |
HIP 11564 |
3.32 |
| 2026-08-11 00:00 |
02:29:23.84 |
+08:28:46.4 |
HIP 11608 |
5.25 |
| 2026-08-11 12:00 |
02:29:50.97 |
+08:31:32.0 |
HIP 11608 |
2.26 |
| 2026-08-12 00:00 |
02:30:17.67 |
+08:34:15.7 |
HIP 11608 |
9.27 |
| 2026-08-12 12:00 |
02:30:43.95 |
+08:36:57.4 |
HIP 11707 |
14.80 |
| 2026-08-13 00:00 |
02:31:09.80 |
+08:39:37.2 |
HIP 11707 |
16.77 |
| 2026-08-13 12:00 |
02:31:35.22 |
+08:42:15.0 |
HIP 11793 |
20.60 |
| 2026-08-14 00:00 |
02:32:00.21 |
+08:44:50.9 |
HIP 11793 |
16.24 |
| 2026-08-14 12:00 |
02:32:24.77 |
+08:47:24.8 |
HIP 11793 |
13.89 |
| 2026-08-15 00:00 |
02:32:48.89 |
+08:49:56.8 |
HIP 11793 |
14.40 |
| 2026-08-15 12:00 |
02:33:12.58 |
+08:52:26.9 |
HIP 11793 |
17.41 |
| 2026-08-16 00:00 |
02:33:35.82 |
+08:54:55.0 |
HIP 11975 |
20.83 |
| 2026-08-16 12:00 |
02:33:58.62 |
+08:57:21.2 |
HIP 11975 |
20.13 |
| 2026-08-17 00:00 |
02:34:20.97 |
+08:59:45.5 |
HIP 11975 |
21.23 |
| 2026-08-17 12:00 |
02:34:42.88 |
+09:02:07.9 |
HIP 11975 |
23.80 |
| 2026-08-18 00:00 |
02:35:04.33 |
+09:04:28.3 |
HIP 11975 |
27.35 |
| 2026-08-18 12:00 |
02:35:25.34 |
+09:06:46.9 |
HIP 11975 |
31.50 |
| 2026-08-19 00:00 |
02:35:45.89 |
+09:09:03.5 |
HIP 12253 |
31.80 |