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 |
-0.500 |
| 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 |
01:27:08.66 |
+11:19:31.9 |
HIP 6764 |
3.05 |
| 2026-07-29 12:00 |
01:27:07.96 |
+11:19:32.2 |
HIP 6764 |
2.95 |
| 2026-07-30 00:00 |
01:27:07.23 |
+11:19:32.3 |
HIP 6764 |
2.86 |
| 2026-07-30 12:00 |
01:27:06.48 |
+11:19:32.2 |
HIP 6764 |
2.78 |
| 2026-07-31 00:00 |
01:27:05.69 |
+11:19:32.0 |
HIP 6764 |
2.70 |
| 2026-07-31 12:00 |
01:27:04.88 |
+11:19:31.6 |
HIP 6764 |
2.64 |
| 2026-08-01 00:00 |
01:27:04.04 |
+11:19:31.0 |
HIP 6764 |
2.59 |
| 2026-08-01 12:00 |
01:27:03.17 |
+11:19:30.3 |
HIP 6764 |
2.57 |
| 2026-08-02 00:00 |
01:27:02.27 |
+11:19:29.3 |
HIP 6764 |
2.56 |
| 2026-08-02 12:00 |
01:27:01.35 |
+11:19:28.3 |
HIP 6764 |
2.57 |
| 2026-08-03 00:00 |
01:27:00.39 |
+11:19:27.0 |
HIP 6764 |
2.61 |
| 2026-08-03 12:00 |
01:26:59.41 |
+11:19:25.6 |
HIP 6764 |
2.67 |
| 2026-08-04 00:00 |
01:26:58.40 |
+11:19:24.1 |
HIP 6764 |
2.75 |
| 2026-08-04 12:00 |
01:26:57.37 |
+11:19:22.3 |
HIP 6764 |
2.86 |
| 2026-08-05 00:00 |
01:26:56.30 |
+11:19:20.4 |
HIP 6764 |
2.99 |
| 2026-08-05 12:00 |
01:26:55.21 |
+11:19:18.4 |
HIP 6764 |
3.15 |
| 2026-08-06 00:00 |
01:26:54.09 |
+11:19:16.1 |
HIP 6764 |
3.33 |
| 2026-08-06 12:00 |
01:26:52.95 |
+11:19:13.7 |
HIP 6764 |
3.52 |
| 2026-08-07 00:00 |
01:26:51.77 |
+11:19:11.1 |
HIP 6764 |
3.73 |
| 2026-08-07 12:00 |
01:26:50.57 |
+11:19:08.4 |
HIP 6764 |
3.96 |
| 2026-08-08 00:00 |
01:26:49.34 |
+11:19:05.5 |
HIP 6764 |
4.21 |
| 2026-08-08 12:00 |
01:26:48.08 |
+11:19:02.4 |
HIP 6730 |
4.25 |
| 2026-08-09 00:00 |
01:26:46.80 |
+11:18:59.2 |
HIP 6730 |
4.18 |
| 2026-08-09 12:00 |
01:26:45.49 |
+11:18:55.8 |
HIP 6730 |
4.14 |
| 2026-08-10 00:00 |
01:26:44.15 |
+11:18:52.3 |
HIP 6730 |
4.13 |
| 2026-08-10 12:00 |
01:26:42.78 |
+11:18:48.5 |
HIP 6730 |
4.14 |
| 2026-08-11 00:00 |
01:26:41.39 |
+11:18:44.6 |
HIP 6730 |
4.18 |
| 2026-08-11 12:00 |
01:26:39.97 |
+11:18:40.6 |
HIP 6730 |
4.26 |
| 2026-08-12 00:00 |
01:26:38.52 |
+11:18:36.4 |
HIP 6730 |
4.37 |
| 2026-08-12 12:00 |
01:26:37.05 |
+11:18:32.0 |
HIP 6730 |
4.50 |
| 2026-08-13 00:00 |
01:26:35.55 |
+11:18:27.4 |
HIP 6730 |
4.67 |
| 2026-08-13 12:00 |
01:26:34.02 |
+11:18:22.7 |
HIP 6730 |
4.86 |
| 2026-08-14 00:00 |
01:26:32.47 |
+11:18:17.9 |
HIP 6730 |
5.09 |
| 2026-08-14 12:00 |
01:26:30.89 |
+11:18:12.8 |
HIP 6730 |
5.33 |
| 2026-08-15 00:00 |
01:26:29.28 |
+11:18:07.6 |
HIP 6730 |
5.60 |
| 2026-08-15 12:00 |
01:26:27.65 |
+11:18:02.3 |
HIP 6730 |
5.89 |
| 2026-08-16 00:00 |
01:26:25.99 |
+11:17:56.8 |
HIP 6730 |
6.20 |
| 2026-08-16 12:00 |
01:26:24.31 |
+11:17:51.1 |
HIP 6730 |
6.53 |
| 2026-08-17 00:00 |
01:26:22.60 |
+11:17:45.3 |
HIP 6730 |
6.87 |
| 2026-08-17 12:00 |
01:26:20.86 |
+11:17:39.3 |
HIP 6730 |
7.23 |
| 2026-08-18 00:00 |
01:26:19.10 |
+11:17:33.1 |
HIP 6730 |
7.61 |
| 2026-08-18 12:00 |
01:26:17.31 |
+11:17:26.8 |
HIP 6730 |
7.99 |
| 2026-08-19 00:00 |
01:26:15.50 |
+11:17:20.4 |
HIP 6730 |
8.39 |