メタデータ
| 項目 |
値 |
| Designation |
C/2010 F3 (Scotti) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2010-08-04T12:52:37.418880Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:41Z |
| Obs used |
135 |
| NEO |
- |
| M1 |
13.200 |
| 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) |
2010-07-07.0000000 |
| e |
0.91326388 |
| q (au) |
5.446686 |
| a (au) |
62.796057 |
| i (deg) |
4.647569 |
| Ω (om, deg) |
157.410153 |
| ω (w, deg) |
31.256514 |
| M (ma, deg) |
359.943479 |
等級
散乱 + 全体線形
$$
M_a = (11.844 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
11.844 |
| n |
2.000 |
| gf |
0.901 |
| gb |
-1.000 |
| k |
1.000 |
| δ90 |
9.053 |
| 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
天体暦
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-05-12 00:00 |
21:46:50.79 |
-12:08:44.7 |
HIP 107632 |
17.93 |
| 2026-05-12 12:00 |
21:46:51.50 |
-12:08:40.4 |
HIP 107632 |
17.76 |
| 2026-05-13 00:00 |
21:46:52.17 |
-12:08:36.1 |
HIP 107632 |
17.59 |
| 2026-05-13 12:00 |
21:46:52.81 |
-12:08:32.1 |
HIP 107632 |
17.44 |
| 2026-05-14 00:00 |
21:46:53.42 |
-12:08:28.2 |
HIP 107632 |
17.29 |
| 2026-05-14 12:00 |
21:46:53.99 |
-12:08:24.5 |
HIP 107632 |
17.15 |
| 2026-05-15 00:00 |
21:46:54.53 |
-12:08:21.0 |
HIP 107632 |
17.02 |
| 2026-05-15 12:00 |
21:46:55.03 |
-12:08:17.6 |
HIP 107632 |
16.90 |
| 2026-05-16 00:00 |
21:46:55.50 |
-12:08:14.5 |
HIP 107632 |
16.79 |
| 2026-05-16 12:00 |
21:46:55.94 |
-12:08:11.5 |
HIP 107632 |
16.68 |
| 2026-05-17 00:00 |
21:46:56.35 |
-12:08:08.6 |
HIP 107632 |
16.58 |
| 2026-05-17 12:00 |
21:46:56.72 |
-12:08:06.0 |
HIP 107632 |
16.49 |
| 2026-05-18 00:00 |
21:46:57.06 |
-12:08:03.5 |
HIP 107632 |
16.41 |
| 2026-05-18 12:00 |
21:46:57.36 |
-12:08:01.2 |
HIP 107632 |
16.34 |
| 2026-05-19 00:00 |
21:46:57.63 |
-12:07:59.0 |
HIP 107632 |
16.27 |
| 2026-05-19 12:00 |
21:46:57.87 |
-12:07:57.1 |
HIP 107632 |
16.22 |
| 2026-05-20 00:00 |
21:46:58.07 |
-12:07:55.3 |
HIP 107632 |
16.17 |
| 2026-05-20 12:00 |
21:46:58.24 |
-12:07:53.6 |
HIP 107632 |
16.13 |
| 2026-05-21 00:00 |
21:46:58.38 |
-12:07:52.2 |
HIP 107632 |
16.10 |
| 2026-05-21 12:00 |
21:46:58.48 |
-12:07:50.9 |
HIP 107632 |
16.07 |
| 2026-05-22 00:00 |
21:46:58.55 |
-12:07:49.8 |
HIP 107632 |
16.06 |
| 2026-05-22 12:00 |
21:46:58.58 |
-12:07:48.9 |
HIP 107632 |
16.05 |
| 2026-05-23 00:00 |
21:46:58.59 |
-12:07:48.2 |
HIP 107632 |
16.05 |
| 2026-05-23 12:00 |
21:46:58.56 |
-12:07:47.6 |
HIP 107632 |
16.06 |
| 2026-05-24 00:00 |
21:46:58.49 |
-12:07:47.2 |
HIP 107632 |
16.07 |
| 2026-05-24 12:00 |
21:46:58.40 |
-12:07:47.0 |
HIP 107632 |
16.10 |
| 2026-05-25 00:00 |
21:46:58.27 |
-12:07:46.9 |
HIP 107632 |
16.13 |
| 2026-05-25 12:00 |
21:46:58.10 |
-12:07:47.0 |
HIP 107632 |
16.17 |
| 2026-05-26 00:00 |
21:46:57.91 |
-12:07:47.3 |
HIP 107632 |
16.22 |
| 2026-05-26 12:00 |
21:46:57.68 |
-12:07:47.8 |
HIP 107632 |
16.27 |
| 2026-05-27 00:00 |
21:46:57.42 |
-12:07:48.4 |
HIP 107632 |
16.34 |
| 2026-05-27 12:00 |
21:46:57.12 |
-12:07:49.2 |
HIP 107632 |
16.41 |
| 2026-05-28 00:00 |
21:46:56.79 |
-12:07:50.2 |
HIP 107632 |
16.49 |
| 2026-05-28 12:00 |
21:46:56.43 |
-12:07:51.3 |
HIP 107632 |
16.57 |
| 2026-05-29 00:00 |
21:46:56.04 |
-12:07:52.6 |
HIP 107632 |
16.67 |
| 2026-05-29 12:00 |
21:46:55.61 |
-12:07:54.1 |
HIP 107632 |
16.77 |
| 2026-05-30 00:00 |
21:46:55.15 |
-12:07:55.8 |
HIP 107632 |
16.88 |
| 2026-05-30 12:00 |
21:46:54.66 |
-12:07:57.6 |
HIP 107632 |
17.00 |
| 2026-05-31 00:00 |
21:46:54.14 |
-12:07:59.6 |
HIP 107632 |
17.13 |
| 2026-05-31 12:00 |
21:46:53.58 |
-12:08:01.8 |
HIP 107632 |
17.26 |
| 2026-06-01 00:00 |
21:46:52.99 |
-12:08:04.2 |
HIP 107632 |
17.40 |
| 2026-06-01 12:00 |
21:46:52.37 |
-12:08:06.7 |
HIP 107632 |
17.56 |
| 2026-06-02 00:00 |
21:46:51.71 |
-12:08:09.4 |
HIP 107632 |
17.71 |