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) |
| 2026-09-20 00:00 |
01:23:34.17 |
+11:05:34.5 |
HIP 6484 |
15.45 |
| 2026-09-20 12:00 |
01:23:31.07 |
+11:05:19.5 |
HIP 6484 |
15.05 |
| 2026-09-21 00:00 |
01:23:27.96 |
+11:05:04.5 |
HIP 6484 |
14.67 |
| 2026-09-21 12:00 |
01:23:24.83 |
+11:04:49.4 |
HIP 6484 |
14.32 |
| 2026-09-22 00:00 |
01:23:21.70 |
+11:04:34.1 |
HIP 6484 |
14.02 |
| 2026-09-22 12:00 |
01:23:18.55 |
+11:04:18.8 |
HIP 6484 |
13.75 |
| 2026-09-23 00:00 |
01:23:15.39 |
+11:04:03.4 |
HIP 6484 |
13.52 |
| 2026-09-23 12:00 |
01:23:12.22 |
+11:03:47.9 |
HIP 6484 |
13.34 |
| 2026-09-24 00:00 |
01:23:09.04 |
+11:03:32.3 |
HIP 6484 |
13.21 |
| 2026-09-24 12:00 |
01:23:05.84 |
+11:03:16.7 |
HIP 6484 |
13.12 |
| 2026-09-25 00:00 |
01:23:02.64 |
+11:03:00.9 |
HIP 6484 |
13.09 |
| 2026-09-25 12:00 |
01:22:59.42 |
+11:02:45.1 |
HIP 6484 |
13.11 |
| 2026-09-26 00:00 |
01:22:56.20 |
+11:02:29.2 |
HIP 6484 |
13.18 |
| 2026-09-26 12:00 |
01:22:52.96 |
+11:02:13.2 |
HIP 6484 |
13.30 |
| 2026-09-27 00:00 |
01:22:49.71 |
+11:01:57.1 |
HIP 6484 |
13.48 |
| 2026-09-27 12:00 |
01:22:46.46 |
+11:01:41.0 |
HIP 6484 |
13.70 |
| 2026-09-28 00:00 |
01:22:43.20 |
+11:01:24.8 |
HIP 6484 |
13.98 |
| 2026-09-28 12:00 |
01:22:39.92 |
+11:01:08.5 |
HIP 6484 |
14.30 |
| 2026-09-29 00:00 |
01:22:36.64 |
+11:00:52.1 |
HIP 6484 |
14.66 |
| 2026-09-29 12:00 |
01:22:33.35 |
+11:00:35.6 |
HIP 6484 |
15.06 |
| 2026-09-30 00:00 |
01:22:30.05 |
+11:00:19.1 |
HIP 6484 |
15.50 |
| 2026-09-30 12:00 |
01:22:26.74 |
+11:00:02.5 |
HIP 6484 |
15.97 |
| 2026-10-01 00:00 |
01:22:23.42 |
+10:59:45.9 |
HIP 6484 |
16.48 |
| 2026-10-01 12:00 |
01:22:20.10 |
+10:59:29.1 |
HIP 6484 |
17.01 |
| 2026-10-02 00:00 |
01:22:16.77 |
+10:59:12.4 |
HIP 6484 |
17.58 |
| 2026-10-02 12:00 |
01:22:13.43 |
+10:58:55.5 |
HIP 6484 |
18.16 |
| 2026-10-03 00:00 |
01:22:10.09 |
+10:58:38.6 |
HIP 6484 |
18.77 |
| 2026-10-03 12:00 |
01:22:06.73 |
+10:58:21.6 |
HIP 6484 |
19.40 |
| 2026-10-04 00:00 |
01:22:03.38 |
+10:58:04.6 |
HIP 6484 |
20.05 |
| 2026-10-04 12:00 |
01:22:00.01 |
+10:57:47.5 |
HIP 6484 |
20.72 |
| 2026-10-05 00:00 |
01:21:56.64 |
+10:57:30.3 |
HIP 6484 |
21.40 |
| 2026-10-05 12:00 |
01:21:53.26 |
+10:57:13.1 |
HIP 6484 |
22.10 |
| 2026-10-06 00:00 |
01:21:49.88 |
+10:56:55.9 |
HIP 6484 |
22.81 |
| 2026-10-06 12:00 |
01:21:46.50 |
+10:56:38.6 |
HIP 6484 |
23.54 |
| 2026-10-07 00:00 |
01:21:43.11 |
+10:56:21.2 |
HIP 6484 |
24.27 |
| 2026-10-07 12:00 |
01:21:39.71 |
+10:56:03.8 |
HIP 6484 |
25.02 |
| 2026-10-08 00:00 |
01:21:36.31 |
+10:55:46.3 |
HIP 6484 |
25.77 |
| 2026-10-08 12:00 |
01:21:32.91 |
+10:55:28.8 |
HIP 6484 |
26.53 |
| 2026-10-09 00:00 |
01:21:29.50 |
+10:55:11.3 |
HIP 6212 |
27.09 |
| 2026-10-09 12:00 |
01:21:26.09 |
+10:54:53.7 |
HIP 6212 |
26.28 |
| 2026-10-10 00:00 |
01:21:22.68 |
+10:54:36.1 |
HIP 6212 |
25.48 |
| 2026-10-10 12:00 |
01:21:19.26 |
+10:54:18.4 |
HIP 6212 |
24.68 |
| 2026-10-11 00:00 |
01:21:15.85 |
+10:54:00.7 |
HIP 6212 |
23.89 |