メタデータ
| 項目 |
値 |
| Designation |
329P/LINEAR-Catalina |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2015-12-05T06:24:45.846720Z |
| Orbit solution date (soln_date, UTC) |
2026-06-09T11:12:47Z |
| Obs used |
688 |
| NEO |
- |
| M1 |
8.900 |
| K1 |
36.500 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2013-05-14.0000000 |
| e |
0.68010901 |
| q (au) |
1.659991 |
| a (au) |
5.189238 |
| i (deg) |
21.466997 |
| Ω (om, deg) |
88.791920 |
| ω (w, deg) |
342.314237 |
| M (ma, deg) |
282.019802 |
等級
散乱 + 全体線形
$$
M_a = (17.015 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
17.015 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.547 |
| 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 |
21:27:47.74 |
-36:08:31.2 |
HIP 105987 |
5.98 |
| 2026-07-29 12:00 |
21:27:25.19 |
-36:11:50.5 |
HIP 105987 |
6.51 |
| 2026-07-30 00:00 |
21:27:02.47 |
-36:15:08.7 |
HIP 105987 |
10.63 |
| 2026-07-30 12:00 |
21:26:39.58 |
-36:18:25.8 |
HIP 105865 |
8.46 |
| 2026-07-31 00:00 |
21:26:16.53 |
-36:21:41.7 |
HIP 105865 |
5.43 |
| 2026-07-31 12:00 |
21:25:53.32 |
-36:24:56.4 |
HIP 105865 |
7.22 |
| 2026-08-01 00:00 |
21:25:29.96 |
-36:28:09.8 |
HIP 105865 |
11.83 |
| 2026-08-01 12:00 |
21:25:06.45 |
-36:31:22.0 |
HIP 105865 |
17.13 |
| 2026-08-02 00:00 |
21:24:42.79 |
-36:34:32.9 |
HIP 105865 |
22.65 |
| 2026-08-02 12:00 |
21:24:18.99 |
-36:37:42.4 |
HIP 105865 |
28.26 |
| 2026-08-03 00:00 |
21:23:55.06 |
-36:40:50.6 |
HIP 105473 |
30.02 |
| 2026-08-03 12:00 |
21:23:30.98 |
-36:43:57.3 |
HIP 105473 |
28.03 |
| 2026-08-04 00:00 |
21:23:06.78 |
-36:47:02.6 |
HIP 105473 |
27.10 |
| 2026-08-04 12:00 |
21:22:42.45 |
-36:50:06.4 |
HIP 105394 |
24.50 |
| 2026-08-05 00:00 |
21:22:18.00 |
-36:53:08.7 |
HIP 105392 |
20.72 |
| 2026-08-05 12:00 |
21:21:53.44 |
-36:56:09.5 |
HIP 105392 |
14.97 |
| 2026-08-06 00:00 |
21:21:28.76 |
-36:59:08.7 |
HIP 105392 |
9.22 |
| 2026-08-06 12:00 |
21:21:03.97 |
-37:02:06.3 |
HIP 105392 |
3.54 |
| 2026-08-07 00:00 |
21:20:39.08 |
-37:05:02.2 |
HIP 105392 |
2.56 |
| 2026-08-07 12:00 |
21:20:14.09 |
-37:07:56.4 |
HIP 105392 |
8.19 |
| 2026-08-08 00:00 |
21:19:49.01 |
-37:10:49.0 |
HIP 105392 |
13.94 |
| 2026-08-08 12:00 |
21:19:23.84 |
-37:13:39.8 |
HIP 105392 |
19.69 |
| 2026-08-09 00:00 |
21:18:58.59 |
-37:16:28.8 |
HIP 105392 |
25.45 |
| 2026-08-09 12:00 |
21:18:33.26 |
-37:19:16.1 |
HIP 105392 |
31.21 |
| 2026-08-10 00:00 |
21:18:07.86 |
-37:22:01.5 |
HIP 104951 |
30.66 |
| 2026-08-10 12:00 |
21:17:42.39 |
-37:24:45.0 |
HIP 104951 |
25.77 |
| 2026-08-11 00:00 |
21:17:16.86 |
-37:27:26.7 |
HIP 104951 |
21.29 |
| 2026-08-11 12:00 |
21:16:51.27 |
-37:30:06.4 |
HIP 104951 |
17.56 |
| 2026-08-12 00:00 |
21:16:25.64 |
-37:32:44.2 |
HIP 104951 |
15.10 |
| 2026-08-12 12:00 |
21:15:59.95 |
-37:35:19.9 |
HIP 104951 |
14.58 |
| 2026-08-13 00:00 |
21:15:34.23 |
-37:37:53.7 |
HIP 105029 |
15.39 |
| 2026-08-13 12:00 |
21:15:08.47 |
-37:40:25.5 |
HIP 105029 |
17.77 |
| 2026-08-14 00:00 |
21:14:42.69 |
-37:42:55.2 |
HIP 105029 |
21.43 |
| 2026-08-14 12:00 |
21:14:16.88 |
-37:45:22.8 |
HIP 105029 |
25.84 |
| 2026-08-15 00:00 |
21:13:51.06 |
-37:47:48.3 |
HIP 104649 |
24.98 |
| 2026-08-15 12:00 |
21:13:25.22 |
-37:50:11.7 |
HIP 104649 |
21.63 |
| 2026-08-16 00:00 |
21:12:59.38 |
-37:52:33.0 |
HIP 104625 |
16.87 |
| 2026-08-16 12:00 |
21:12:33.54 |
-37:54:52.1 |
HIP 104625 |
11.34 |
| 2026-08-17 00:00 |
21:12:07.71 |
-37:57:08.9 |
HIP 104625 |
5.92 |
| 2026-08-17 12:00 |
21:11:41.89 |
-37:59:23.6 |
HIP 104625 |
1.97 |
| 2026-08-18 00:00 |
21:11:16.08 |
-38:01:36.1 |
HIP 104625 |
5.85 |
| 2026-08-18 12:00 |
21:10:50.30 |
-38:03:46.3 |
HIP 104625 |
11.20 |
| 2026-08-19 00:00 |
21:10:24.55 |
-38:05:54.2 |
HIP 104434 |
16.41 |