メタデータ
| 項目 |
値 |
| Designation |
C/2014 Q6 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2015-01-06T09:14:07.203840Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:32:59Z |
| Obs used |
40 |
| NEO |
- |
| M1 |
7.100 |
| K1 |
15.000 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2014-10-28.0000000 |
| e |
0.99934882 |
| q (au) |
4.222707 |
| a (au) |
6484.666285 |
| i (deg) |
49.796804 |
| Ω (om, deg) |
326.655969 |
| ω (w, deg) |
2.534775 |
| M (ma, deg) |
359.999867 |
等級
散乱 + 全体線形
$$
M_a = (6.415 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
6.415 |
| n |
6.000 |
| gf |
1.000 |
| 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
天体暦
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-07-29 00:00 |
08:16:21.39 |
+52:38:09.0 |
HIP 40508 |
17.64 |
| 2026-07-29 12:00 |
08:16:29.05 |
+52:37:53.2 |
HIP 40508 |
17.49 |
| 2026-07-30 00:00 |
08:16:36.70 |
+52:37:37.6 |
HIP 40508 |
17.42 |
| 2026-07-30 12:00 |
08:16:44.34 |
+52:37:22.3 |
HIP 40508 |
17.44 |
| 2026-07-31 00:00 |
08:16:51.98 |
+52:37:07.3 |
HIP 40508 |
17.54 |
| 2026-07-31 12:00 |
08:16:59.61 |
+52:36:52.6 |
HIP 40508 |
17.72 |
| 2026-08-01 00:00 |
08:17:07.23 |
+52:36:38.2 |
HIP 40508 |
17.99 |
| 2026-08-01 12:00 |
08:17:14.85 |
+52:36:24.1 |
HIP 40508 |
18.33 |
| 2026-08-02 00:00 |
08:17:22.45 |
+52:36:10.2 |
HIP 40508 |
18.75 |
| 2026-08-02 12:00 |
08:17:30.05 |
+52:35:56.7 |
HIP 40508 |
19.23 |
| 2026-08-03 00:00 |
08:17:37.63 |
+52:35:43.4 |
HIP 40508 |
19.77 |
| 2026-08-03 12:00 |
08:17:45.21 |
+52:35:30.4 |
HIP 40602 |
20.36 |
| 2026-08-04 00:00 |
08:17:52.78 |
+52:35:17.7 |
HIP 40602 |
20.79 |
| 2026-08-04 12:00 |
08:18:00.33 |
+52:35:05.3 |
HIP 40602 |
21.27 |
| 2026-08-05 00:00 |
08:18:07.88 |
+52:34:53.2 |
HIP 40602 |
21.80 |
| 2026-08-05 12:00 |
08:18:15.41 |
+52:34:41.4 |
HIP 40602 |
22.37 |
| 2026-08-06 00:00 |
08:18:22.94 |
+52:34:29.9 |
HIP 40602 |
22.98 |
| 2026-08-06 12:00 |
08:18:30.45 |
+52:34:18.6 |
HIP 40602 |
23.62 |
| 2026-08-07 00:00 |
08:18:37.95 |
+52:34:07.7 |
HIP 40602 |
24.30 |
| 2026-08-07 12:00 |
08:18:45.43 |
+52:33:57.1 |
HIP 40602 |
25.00 |
| 2026-08-08 00:00 |
08:18:52.90 |
+52:33:46.7 |
HIP 40602 |
25.74 |
| 2026-08-08 12:00 |
08:19:00.36 |
+52:33:36.7 |
HIP 40602 |
26.49 |
| 2026-08-09 00:00 |
08:19:07.80 |
+52:33:26.9 |
HIP 40602 |
27.27 |
| 2026-08-09 12:00 |
08:19:15.23 |
+52:33:17.5 |
HIP 40602 |
28.07 |
| 2026-08-10 00:00 |
08:19:22.65 |
+52:33:08.3 |
HIP 40602 |
28.88 |
| 2026-08-10 12:00 |
08:19:30.04 |
+52:32:59.5 |
HIP 40602 |
29.71 |
| 2026-08-11 00:00 |
08:19:37.43 |
+52:32:50.9 |
HIP 41069 |
29.27 |
| 2026-08-11 12:00 |
08:19:44.79 |
+52:32:42.7 |
HIP 41069 |
28.19 |
| 2026-08-12 00:00 |
08:19:52.14 |
+52:32:34.7 |
HIP 41069 |
27.11 |
| 2026-08-12 12:00 |
08:19:59.47 |
+52:32:27.1 |
HIP 41069 |
26.05 |
| 2026-08-13 00:00 |
08:20:06.79 |
+52:32:19.7 |
HIP 41069 |
24.99 |
| 2026-08-13 12:00 |
08:20:14.08 |
+52:32:12.7 |
HIP 41069 |
23.93 |
| 2026-08-14 00:00 |
08:20:21.36 |
+52:32:06.0 |
HIP 41069 |
22.88 |
| 2026-08-14 12:00 |
08:20:28.61 |
+52:31:59.5 |
HIP 41069 |
21.84 |
| 2026-08-15 00:00 |
08:20:35.85 |
+52:31:53.4 |
HIP 41069 |
20.81 |
| 2026-08-15 12:00 |
08:20:43.07 |
+52:31:47.6 |
HIP 41069 |
19.79 |
| 2026-08-16 00:00 |
08:20:50.27 |
+52:31:42.1 |
HIP 41069 |
18.77 |
| 2026-08-16 12:00 |
08:20:57.44 |
+52:31:36.8 |
HIP 41069 |
17.77 |
| 2026-08-17 00:00 |
08:21:04.60 |
+52:31:31.9 |
HIP 41069 |
16.78 |
| 2026-08-17 12:00 |
08:21:11.73 |
+52:31:27.3 |
HIP 41069 |
15.81 |
| 2026-08-18 00:00 |
08:21:18.85 |
+52:31:23.0 |
HIP 41069 |
14.85 |
| 2026-08-18 12:00 |
08:21:25.93 |
+52:31:19.0 |
HIP 41069 |
13.91 |
| 2026-08-19 00:00 |
08:21:33.00 |
+52:31:15.3 |
HIP 41069 |
12.99 |