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) |
| 2026-07-29 00:00 |
05:20:34.85 |
+02:20:19.6 |
HIP 24960 |
12.56 |
| 2026-07-29 12:00 |
05:20:35.50 |
+02:20:16.7 |
HIP 24960 |
12.57 |
| 2026-07-30 00:00 |
05:20:36.15 |
+02:20:13.8 |
HIP 24960 |
12.60 |
| 2026-07-30 12:00 |
05:20:36.78 |
+02:20:10.9 |
HIP 24960 |
12.62 |
| 2026-07-31 00:00 |
05:20:37.42 |
+02:20:08.0 |
HIP 24960 |
12.65 |
| 2026-07-31 12:00 |
05:20:38.04 |
+02:20:05.0 |
HIP 24960 |
12.68 |
| 2026-08-01 00:00 |
05:20:38.67 |
+02:20:02.0 |
HIP 24960 |
12.71 |
| 2026-08-01 12:00 |
05:20:39.28 |
+02:19:58.9 |
HIP 24960 |
12.75 |
| 2026-08-02 00:00 |
05:20:39.89 |
+02:19:55.9 |
HIP 24960 |
12.79 |
| 2026-08-02 12:00 |
05:20:40.50 |
+02:19:52.8 |
HIP 24960 |
12.83 |
| 2026-08-03 00:00 |
05:20:41.10 |
+02:19:49.6 |
HIP 24960 |
12.87 |
| 2026-08-03 12:00 |
05:20:41.69 |
+02:19:46.4 |
HIP 24960 |
12.92 |
| 2026-08-04 00:00 |
05:20:42.28 |
+02:19:43.2 |
HIP 24960 |
12.97 |
| 2026-08-04 12:00 |
05:20:42.86 |
+02:19:40.0 |
HIP 24960 |
13.02 |
| 2026-08-05 00:00 |
05:20:43.43 |
+02:19:36.7 |
HIP 24960 |
13.07 |
| 2026-08-05 12:00 |
05:20:44.00 |
+02:19:33.4 |
HIP 24960 |
13.13 |
| 2026-08-06 00:00 |
05:20:44.57 |
+02:19:30.1 |
HIP 24960 |
13.18 |
| 2026-08-06 12:00 |
05:20:45.12 |
+02:19:26.7 |
HIP 24960 |
13.24 |
| 2026-08-07 00:00 |
05:20:45.68 |
+02:19:23.3 |
HIP 24960 |
13.30 |
| 2026-08-07 12:00 |
05:20:46.22 |
+02:19:19.9 |
HIP 24960 |
13.37 |
| 2026-08-08 00:00 |
05:20:46.76 |
+02:19:16.4 |
HIP 24960 |
13.43 |
| 2026-08-08 12:00 |
05:20:47.29 |
+02:19:12.9 |
HIP 24960 |
13.50 |
| 2026-08-09 00:00 |
05:20:47.82 |
+02:19:09.4 |
HIP 24960 |
13.57 |
| 2026-08-09 12:00 |
05:20:48.34 |
+02:19:05.8 |
HIP 24960 |
13.64 |
| 2026-08-10 00:00 |
05:20:48.86 |
+02:19:02.2 |
HIP 24960 |
13.71 |
| 2026-08-10 12:00 |
05:20:49.37 |
+02:18:58.6 |
HIP 24960 |
13.78 |
| 2026-08-11 00:00 |
05:20:49.87 |
+02:18:55.0 |
HIP 24960 |
13.85 |
| 2026-08-11 12:00 |
05:20:50.36 |
+02:18:51.3 |
HIP 24960 |
13.93 |
| 2026-08-12 00:00 |
05:20:50.85 |
+02:18:47.6 |
HIP 24960 |
14.00 |
| 2026-08-12 12:00 |
05:20:51.33 |
+02:18:43.9 |
HIP 24960 |
14.08 |
| 2026-08-13 00:00 |
05:20:51.81 |
+02:18:40.1 |
HIP 24960 |
14.16 |
| 2026-08-13 12:00 |
05:20:52.28 |
+02:18:36.3 |
HIP 24960 |
14.24 |
| 2026-08-14 00:00 |
05:20:52.74 |
+02:18:32.5 |
HIP 24960 |
14.32 |
| 2026-08-14 12:00 |
05:20:53.20 |
+02:18:28.7 |
HIP 24960 |
14.40 |
| 2026-08-15 00:00 |
05:20:53.64 |
+02:18:24.8 |
HIP 24960 |
14.48 |
| 2026-08-15 12:00 |
05:20:54.09 |
+02:18:20.9 |
HIP 24960 |
14.57 |
| 2026-08-16 00:00 |
05:20:54.52 |
+02:18:17.0 |
HIP 24960 |
14.65 |
| 2026-08-16 12:00 |
05:20:54.95 |
+02:18:13.0 |
HIP 24960 |
14.73 |
| 2026-08-17 00:00 |
05:20:55.37 |
+02:18:09.1 |
HIP 24960 |
14.82 |
| 2026-08-17 12:00 |
05:20:55.79 |
+02:18:05.1 |
HIP 24960 |
14.91 |
| 2026-08-18 00:00 |
05:20:56.20 |
+02:18:01.0 |
HIP 24960 |
14.99 |
| 2026-08-18 12:00 |
05:20:56.60 |
+02:17:57.0 |
HIP 24960 |
15.08 |
| 2026-08-19 00:00 |
05:20:56.99 |
+02:17:52.9 |
HIP 24960 |
15.17 |