メタデータ
| 項目 |
値 |
| Designation |
C/2011 C3 (Gibbs) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2011-04-07T12:40:26.362560Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:48Z |
| Obs used |
80 |
| NEO |
- |
| M1 |
14.100 |
| K1 |
22.750 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2011-03-16.0000000 |
| e |
0.99527440 |
| q (au) |
1.516895 |
| a (au) |
320.995070 |
| i (deg) |
49.376107 |
| Ω (om, deg) |
20.889963 |
| ω (w, deg) |
206.809905 |
| M (ma, deg) |
359.996139 |
等級
散乱 + 全体線形
$$
M_a = (14.952 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
14.952 |
| 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) |
| 2026-05-12 00:00 |
01:23:36.70 |
+10:48:27.0 |
HIP 6484 |
4.81 |
| 2026-05-12 12:00 |
01:23:39.69 |
+10:48:47.7 |
HIP 6484 |
5.35 |
| 2026-05-13 00:00 |
01:23:42.66 |
+10:49:08.5 |
HIP 6484 |
5.95 |
| 2026-05-13 12:00 |
01:23:45.62 |
+10:49:29.1 |
HIP 6484 |
6.60 |
| 2026-05-14 00:00 |
01:23:48.56 |
+10:49:49.7 |
HIP 6484 |
7.27 |
| 2026-05-14 12:00 |
01:23:51.49 |
+10:50:10.3 |
HIP 6484 |
7.96 |
| 2026-05-15 00:00 |
01:23:54.41 |
+10:50:30.7 |
HIP 6484 |
8.67 |
| 2026-05-15 12:00 |
01:23:57.31 |
+10:50:51.1 |
HIP 6484 |
9.38 |
| 2026-05-16 00:00 |
01:24:00.20 |
+10:51:11.4 |
HIP 6484 |
10.11 |
| 2026-05-16 12:00 |
01:24:03.08 |
+10:51:31.6 |
HIP 6484 |
10.84 |
| 2026-05-17 00:00 |
01:24:05.94 |
+10:51:51.8 |
HIP 6484 |
11.57 |
| 2026-05-17 12:00 |
01:24:08.78 |
+10:52:11.9 |
HIP 6484 |
12.30 |
| 2026-05-18 00:00 |
01:24:11.61 |
+10:52:31.9 |
HIP 6484 |
13.04 |
| 2026-05-18 12:00 |
01:24:14.42 |
+10:52:51.8 |
HIP 6484 |
13.77 |
| 2026-05-19 00:00 |
01:24:17.22 |
+10:53:11.7 |
HIP 6484 |
14.51 |
| 2026-05-19 12:00 |
01:24:20.01 |
+10:53:31.4 |
HIP 6484 |
15.24 |
| 2026-05-20 00:00 |
01:24:22.77 |
+10:53:51.1 |
HIP 6484 |
15.97 |
| 2026-05-20 12:00 |
01:24:25.52 |
+10:54:10.7 |
HIP 6484 |
16.70 |
| 2026-05-21 00:00 |
01:24:28.26 |
+10:54:30.2 |
HIP 6484 |
17.42 |
| 2026-05-21 12:00 |
01:24:30.98 |
+10:54:49.6 |
HIP 6484 |
18.15 |
| 2026-05-22 00:00 |
01:24:33.68 |
+10:55:09.0 |
HIP 6484 |
18.87 |
| 2026-05-22 12:00 |
01:24:36.36 |
+10:55:28.2 |
HIP 6484 |
19.59 |
| 2026-05-23 00:00 |
01:24:39.03 |
+10:55:47.4 |
HIP 6484 |
20.30 |
| 2026-05-23 12:00 |
01:24:41.68 |
+10:56:06.5 |
HIP 6484 |
21.01 |
| 2026-05-24 00:00 |
01:24:44.31 |
+10:56:25.4 |
HIP 6484 |
21.72 |
| 2026-05-24 12:00 |
01:24:46.93 |
+10:56:44.3 |
HIP 6484 |
22.42 |
| 2026-05-25 00:00 |
01:24:49.52 |
+10:57:03.1 |
HIP 6484 |
23.12 |
| 2026-05-25 12:00 |
01:24:52.11 |
+10:57:21.8 |
HIP 6484 |
23.82 |
| 2026-05-26 00:00 |
01:24:54.67 |
+10:57:40.5 |
HIP 6484 |
24.51 |
| 2026-05-26 12:00 |
01:24:57.21 |
+10:57:59.0 |
HIP 6484 |
25.20 |
| 2026-05-27 00:00 |
01:24:59.74 |
+10:58:17.4 |
HIP 6484 |
25.88 |
| 2026-05-27 12:00 |
01:25:02.24 |
+10:58:35.7 |
HIP 6484 |
26.56 |
| 2026-05-28 00:00 |
01:25:04.73 |
+10:58:53.9 |
HIP 6484 |
27.23 |
| 2026-05-28 12:00 |
01:25:07.20 |
+10:59:12.1 |
HIP 6484 |
27.90 |
| 2026-05-29 00:00 |
01:25:09.66 |
+10:59:30.1 |
HIP 6484 |
28.57 |
| 2026-05-29 12:00 |
01:25:12.09 |
+10:59:48.0 |
HIP 6484 |
29.23 |
| 2026-05-30 00:00 |
01:25:14.50 |
+11:00:05.8 |
HIP 6484 |
29.88 |
| 2026-05-30 12:00 |
01:25:16.89 |
+11:00:23.5 |
HIP 6484 |
30.53 |
| 2026-05-31 00:00 |
01:25:19.27 |
+11:00:41.2 |
HIP 6730 |
29.95 |
| 2026-05-31 12:00 |
01:25:21.62 |
+11:00:58.7 |
HIP 6730 |
29.35 |
| 2026-06-01 00:00 |
01:25:23.96 |
+11:01:16.1 |
HIP 6730 |
28.75 |
| 2026-06-01 12:00 |
01:25:26.28 |
+11:01:33.4 |
HIP 6730 |
28.16 |
| 2026-06-02 00:00 |
01:25:28.57 |
+11:01:50.6 |
HIP 6730 |
27.58 |