メタデータ
| 項目 |
値 |
| Designation |
C/2002 CE10 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2003-06-22T02:22:09.416640Z |
| Orbit solution date (soln_date, UTC) |
2025-09-09T12:42:31Z |
| Obs used |
821 |
| NEO |
- |
| M1 |
13.500 |
| 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) |
2003-06-22.0000000 |
| e |
0.79148441 |
| q (au) |
2.046759 |
| a (au) |
9.815858 |
| i (deg) |
145.458691 |
| Ω (om, deg) |
147.443946 |
| ω (w, deg) |
126.188143 |
| M (ma, deg) |
359.996836 |
等級
散乱 + 全体線形
$$
M_a = (11.514 + 4.943\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
11.514 |
| n |
4.943 |
| gf |
1.000 |
| gb |
-0.532 |
| k |
0.800 |
| 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 |
11:05:58.84 |
-13:11:02.0 |
HIP 54278 |
7.95 |
| 2026-07-29 12:00 |
11:06:03.93 |
-13:10:57.4 |
HIP 54278 |
7.44 |
| 2026-07-30 00:00 |
11:06:09.05 |
-13:10:53.3 |
HIP 54278 |
7.12 |
| 2026-07-30 12:00 |
11:06:14.21 |
-13:10:49.6 |
HIP 54278 |
7.01 |
| 2026-07-31 00:00 |
11:06:19.41 |
-13:10:46.4 |
HIP 54278 |
7.14 |
| 2026-07-31 12:00 |
11:06:24.64 |
-13:10:43.7 |
HIP 54278 |
7.50 |
| 2026-08-01 00:00 |
11:06:29.90 |
-13:10:41.5 |
HIP 54278 |
8.05 |
| 2026-08-01 12:00 |
11:06:35.20 |
-13:10:39.8 |
HIP 54278 |
8.77 |
| 2026-08-02 00:00 |
11:06:40.54 |
-13:10:38.5 |
HIP 54278 |
9.62 |
| 2026-08-02 12:00 |
11:06:45.91 |
-13:10:37.6 |
HIP 54315 |
10.52 |
| 2026-08-03 00:00 |
11:06:51.31 |
-13:10:37.3 |
HIP 54315 |
10.73 |
| 2026-08-03 12:00 |
11:06:56.75 |
-13:10:37.4 |
HIP 54315 |
11.10 |
| 2026-08-04 00:00 |
11:07:02.21 |
-13:10:38.0 |
HIP 54315 |
11.62 |
| 2026-08-04 12:00 |
11:07:07.71 |
-13:10:39.0 |
HIP 54315 |
12.28 |
| 2026-08-05 00:00 |
11:07:13.25 |
-13:10:40.5 |
HIP 54315 |
13.05 |
| 2026-08-05 12:00 |
11:07:18.81 |
-13:10:42.5 |
HIP 54315 |
13.92 |
| 2026-08-06 00:00 |
11:07:24.41 |
-13:10:44.9 |
HIP 54315 |
14.87 |
| 2026-08-06 12:00 |
11:07:30.04 |
-13:10:47.8 |
HIP 54315 |
15.90 |
| 2026-08-07 00:00 |
11:07:35.70 |
-13:10:51.2 |
HIP 54315 |
16.98 |
| 2026-08-07 12:00 |
11:07:41.39 |
-13:10:55.0 |
HIP 54315 |
18.12 |
| 2026-08-08 00:00 |
11:07:47.11 |
-13:10:59.2 |
HIP 54315 |
19.29 |
| 2026-08-08 12:00 |
11:07:52.85 |
-13:11:03.9 |
HIP 54315 |
20.51 |
| 2026-08-09 00:00 |
11:07:58.63 |
-13:11:09.1 |
HIP 54315 |
21.76 |
| 2026-08-09 12:00 |
11:08:04.44 |
-13:11:14.7 |
HIP 54315 |
23.03 |
| 2026-08-10 00:00 |
11:08:10.27 |
-13:11:20.8 |
HIP 54315 |
24.33 |
| 2026-08-10 12:00 |
11:08:16.14 |
-13:11:27.3 |
HIP 54315 |
25.66 |
| 2026-08-11 00:00 |
11:08:22.03 |
-13:11:34.3 |
HIP 54315 |
27.00 |
| 2026-08-11 12:00 |
11:08:27.95 |
-13:11:41.7 |
HIP 54315 |
28.36 |
| 2026-08-12 00:00 |
11:08:33.89 |
-13:11:49.6 |
HIP 54315 |
29.74 |
| 2026-08-12 12:00 |
11:08:39.86 |
-13:11:57.9 |
HIP 54315 |
31.14 |
| 2026-08-13 00:00 |
11:08:45.86 |
-13:12:06.6 |
HIP 54623 |
30.58 |
| 2026-08-13 12:00 |
11:08:51.88 |
-13:12:15.8 |
HIP 54623 |
29.17 |
| 2026-08-14 00:00 |
11:08:57.93 |
-13:12:25.4 |
HIP 54623 |
27.75 |
| 2026-08-14 12:00 |
11:09:04.00 |
-13:12:35.4 |
HIP 54623 |
26.34 |
| 2026-08-15 00:00 |
11:09:10.10 |
-13:12:45.9 |
HIP 54623 |
24.94 |
| 2026-08-15 12:00 |
11:09:16.21 |
-13:12:56.8 |
HIP 54623 |
23.54 |
| 2026-08-16 00:00 |
11:09:22.36 |
-13:13:08.1 |
HIP 54623 |
22.15 |
| 2026-08-16 12:00 |
11:09:28.52 |
-13:13:19.9 |
HIP 54623 |
20.78 |
| 2026-08-17 00:00 |
11:09:34.71 |
-13:13:32.1 |
HIP 54623 |
19.42 |
| 2026-08-17 12:00 |
11:09:40.92 |
-13:13:44.7 |
HIP 54623 |
18.09 |
| 2026-08-18 00:00 |
11:09:47.15 |
-13:13:57.7 |
HIP 54623 |
16.78 |
| 2026-08-18 12:00 |
11:09:53.40 |
-13:14:11.1 |
HIP 54623 |
15.52 |
| 2026-08-19 00:00 |
11:09:59.67 |
-13:14:24.9 |
HIP 54623 |
14.31 |