C/1914 F1 (Kritzinger)
メタデータ
| 項目 |
値 |
| Designation |
C/1914 F1 (Kritzinger) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1914-06-04T16:34:09.307200Z |
| Orbit solution date (soln_date, UTC) |
2024-04-15T15:43:28Z |
| Obs used |
69 |
| NEO |
- |
| M1 |
11.100 |
| 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) |
1914-05-20.0000000 |
| e |
1.00064055 |
| q (au) |
1.198609 |
| a (au) |
-1871.219758 |
| i (deg) |
23.919800 |
| Ω (om, deg) |
200.121883 |
| ω (w, deg) |
72.221112 |
| M (ma, deg) |
-0.000191 |
等級
散乱 + 全体線形
$$
M_a = (10.496 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
10.496 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-1.000 |
| k |
0.988 |
| 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
天体暦
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-02-03 00:00 |
05:17:48.78 |
+02:05:12.5 |
HIP 24757 |
10.28 |
| 2026-02-03 12:00 |
05:17:48.23 |
+02:05:15.9 |
HIP 24757 |
10.42 |
| 2026-02-04 00:00 |
05:17:47.68 |
+02:05:19.5 |
HIP 24757 |
10.55 |
| 2026-02-04 12:00 |
05:17:47.14 |
+02:05:23.0 |
HIP 24757 |
10.69 |
| 2026-02-05 00:00 |
05:17:46.61 |
+02:05:26.6 |
HIP 24757 |
10.82 |
| 2026-02-05 12:00 |
05:17:46.09 |
+02:05:30.2 |
HIP 24757 |
10.95 |
| 2026-02-06 00:00 |
05:17:45.57 |
+02:05:33.8 |
HIP 24757 |
11.08 |
| 2026-02-06 12:00 |
05:17:45.06 |
+02:05:37.5 |
HIP 24757 |
11.21 |
| 2026-02-07 00:00 |
05:17:44.55 |
+02:05:41.2 |
HIP 24757 |
11.34 |
| 2026-02-07 12:00 |
05:17:44.05 |
+02:05:44.9 |
HIP 24757 |
11.46 |
| 2026-02-08 00:00 |
05:17:43.56 |
+02:05:48.7 |
HIP 24757 |
11.59 |
| 2026-02-08 12:00 |
05:17:43.08 |
+02:05:52.4 |
HIP 24757 |
11.71 |
| 2026-02-09 00:00 |
05:17:42.60 |
+02:05:56.3 |
HIP 24757 |
11.83 |
| 2026-02-09 12:00 |
05:17:42.13 |
+02:06:00.1 |
HIP 24757 |
11.95 |
| 2026-02-10 00:00 |
05:17:41.67 |
+02:06:04.0 |
HIP 24757 |
12.07 |
| 2026-02-10 12:00 |
05:17:41.21 |
+02:06:07.9 |
HIP 24757 |
12.19 |
| 2026-02-11 00:00 |
05:17:40.77 |
+02:06:11.8 |
HIP 24757 |
12.30 |
| 2026-02-11 12:00 |
05:17:40.33 |
+02:06:15.8 |
HIP 24699 |
12.40 |
| 2026-02-12 00:00 |
05:17:39.89 |
+02:06:19.8 |
HIP 24699 |
12.36 |
| 2026-02-12 12:00 |
05:17:39.47 |
+02:06:23.8 |
HIP 24699 |
12.31 |
| 2026-02-13 00:00 |
05:17:39.05 |
+02:06:27.8 |
HIP 24699 |
12.27 |
| 2026-02-13 12:00 |
05:17:38.64 |
+02:06:31.9 |
HIP 24699 |
12.23 |
| 2026-02-14 00:00 |
05:17:38.23 |
+02:06:36.0 |
HIP 24699 |
12.19 |
| 2026-02-14 12:00 |
05:17:37.84 |
+02:06:40.1 |
HIP 24699 |
12.15 |
| 2026-02-15 00:00 |
05:17:37.45 |
+02:06:44.3 |
HIP 24699 |
12.11 |
| 2026-02-15 12:00 |
05:17:37.07 |
+02:06:48.4 |
HIP 24699 |
12.07 |
| 2026-02-16 00:00 |
05:17:36.69 |
+02:06:52.6 |
HIP 24699 |
12.03 |
| 2026-02-16 12:00 |
05:17:36.33 |
+02:06:56.9 |
HIP 24699 |
11.99 |
| 2026-02-17 00:00 |
05:17:35.97 |
+02:07:01.1 |
HIP 24699 |
11.94 |
| 2026-02-17 12:00 |
05:17:35.62 |
+02:07:05.4 |
HIP 24699 |
11.90 |
| 2026-02-18 00:00 |
05:17:35.27 |
+02:07:09.7 |
HIP 24699 |
11.86 |
| 2026-02-18 12:00 |
05:17:34.94 |
+02:07:14.0 |
HIP 24699 |
11.82 |
| 2026-02-19 00:00 |
05:17:34.61 |
+02:07:18.3 |
HIP 24699 |
11.78 |
| 2026-02-19 12:00 |
05:17:34.29 |
+02:07:22.7 |
HIP 24699 |
11.74 |
| 2026-02-20 00:00 |
05:17:33.98 |
+02:07:27.1 |
HIP 24699 |
11.70 |
| 2026-02-20 12:00 |
05:17:33.67 |
+02:07:31.5 |
HIP 24699 |
11.66 |
| 2026-02-21 00:00 |
05:17:33.38 |
+02:07:35.9 |
HIP 24699 |
11.62 |
| 2026-02-21 12:00 |
05:17:33.09 |
+02:07:40.4 |
HIP 24699 |
11.57 |
| 2026-02-22 00:00 |
05:17:32.81 |
+02:07:44.8 |
HIP 24699 |
11.53 |
| 2026-02-22 12:00 |
05:17:32.54 |
+02:07:49.3 |
HIP 24699 |
11.49 |
| 2026-02-23 00:00 |
05:17:32.27 |
+02:07:53.9 |
HIP 24699 |
11.45 |
| 2026-02-23 12:00 |
05:17:32.01 |
+02:07:58.4 |
HIP 24699 |
11.40 |
| 2026-02-24 00:00 |
05:17:31.76 |
+02:08:02.9 |
HIP 24699 |
11.36 |