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) |
| 2026-09-20 00:00 |
05:21:06.79 |
+02:12:54.0 |
HIP 24960 |
20.60 |
| 2026-09-20 12:00 |
05:21:06.69 |
+02:12:49.0 |
HIP 24960 |
20.68 |
| 2026-09-21 00:00 |
05:21:06.58 |
+02:12:44.0 |
HIP 24960 |
20.75 |
| 2026-09-21 12:00 |
05:21:06.47 |
+02:12:38.9 |
HIP 24960 |
20.82 |
| 2026-09-22 00:00 |
05:21:06.35 |
+02:12:33.9 |
HIP 24960 |
20.90 |
| 2026-09-22 12:00 |
05:21:06.22 |
+02:12:28.8 |
HIP 24960 |
20.97 |
| 2026-09-23 00:00 |
05:21:06.08 |
+02:12:23.8 |
HIP 24960 |
21.04 |
| 2026-09-23 12:00 |
05:21:05.93 |
+02:12:18.8 |
HIP 24960 |
21.11 |
| 2026-09-24 00:00 |
05:21:05.78 |
+02:12:13.7 |
HIP 24960 |
21.18 |
| 2026-09-24 12:00 |
05:21:05.62 |
+02:12:08.7 |
HIP 24960 |
21.25 |
| 2026-09-25 00:00 |
05:21:05.45 |
+02:12:03.6 |
HIP 24960 |
21.32 |
| 2026-09-25 12:00 |
05:21:05.27 |
+02:11:58.6 |
HIP 24960 |
21.39 |
| 2026-09-26 00:00 |
05:21:05.09 |
+02:11:53.5 |
HIP 24960 |
21.46 |
| 2026-09-26 12:00 |
05:21:04.90 |
+02:11:48.5 |
HIP 24960 |
21.53 |
| 2026-09-27 00:00 |
05:21:04.70 |
+02:11:43.4 |
HIP 24960 |
21.60 |
| 2026-09-27 12:00 |
05:21:04.49 |
+02:11:38.4 |
HIP 24960 |
21.67 |
| 2026-09-28 00:00 |
05:21:04.27 |
+02:11:33.3 |
HIP 24960 |
21.74 |
| 2026-09-28 12:00 |
05:21:04.05 |
+02:11:28.3 |
HIP 24960 |
21.81 |
| 2026-09-29 00:00 |
05:21:03.82 |
+02:11:23.3 |
HIP 24960 |
21.88 |
| 2026-09-29 12:00 |
05:21:03.58 |
+02:11:18.2 |
HIP 24960 |
21.95 |
| 2026-09-30 00:00 |
05:21:03.33 |
+02:11:13.2 |
HIP 24960 |
22.01 |
| 2026-09-30 12:00 |
05:21:03.08 |
+02:11:08.2 |
HIP 24960 |
22.08 |
| 2026-10-01 00:00 |
05:21:02.82 |
+02:11:03.1 |
HIP 24960 |
22.15 |
| 2026-10-01 12:00 |
05:21:02.55 |
+02:10:58.1 |
HIP 24960 |
22.22 |
| 2026-10-02 00:00 |
05:21:02.27 |
+02:10:53.1 |
HIP 24960 |
22.28 |
| 2026-10-02 12:00 |
05:21:01.99 |
+02:10:48.1 |
HIP 24960 |
22.35 |
| 2026-10-03 00:00 |
05:21:01.70 |
+02:10:43.1 |
HIP 24960 |
22.42 |
| 2026-10-03 12:00 |
05:21:01.40 |
+02:10:38.1 |
HIP 24960 |
22.49 |
| 2026-10-04 00:00 |
05:21:01.09 |
+02:10:33.1 |
HIP 24960 |
22.55 |
| 2026-10-04 12:00 |
05:21:00.78 |
+02:10:28.1 |
HIP 24960 |
22.62 |
| 2026-10-05 00:00 |
05:21:00.46 |
+02:10:23.1 |
HIP 24960 |
22.69 |
| 2026-10-05 12:00 |
05:21:00.13 |
+02:10:18.2 |
HIP 24960 |
22.75 |
| 2026-10-06 00:00 |
05:20:59.79 |
+02:10:13.2 |
HIP 24960 |
22.82 |
| 2026-10-06 12:00 |
05:20:59.44 |
+02:10:08.2 |
HIP 24960 |
22.89 |
| 2026-10-07 00:00 |
05:20:59.09 |
+02:10:03.3 |
HIP 24960 |
22.95 |
| 2026-10-07 12:00 |
05:20:58.73 |
+02:09:58.3 |
HIP 24960 |
23.02 |
| 2026-10-08 00:00 |
05:20:58.37 |
+02:09:53.4 |
HIP 24960 |
23.08 |
| 2026-10-08 12:00 |
05:20:57.99 |
+02:09:48.5 |
HIP 24960 |
23.15 |
| 2026-10-09 00:00 |
05:20:57.61 |
+02:09:43.6 |
HIP 24960 |
23.22 |
| 2026-10-09 12:00 |
05:20:57.22 |
+02:09:38.7 |
HIP 24960 |
23.28 |
| 2026-10-10 00:00 |
05:20:56.82 |
+02:09:33.8 |
HIP 24960 |
23.35 |
| 2026-10-10 12:00 |
05:20:56.42 |
+02:09:28.9 |
HIP 24960 |
23.42 |
| 2026-10-11 00:00 |
05:20:56.01 |
+02:09:24.0 |
HIP 24960 |
23.48 |