メタデータ
| 項目 |
値 |
| Designation |
C/2004 K3 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2004-06-30T10:56:55.377600Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:41Z |
| Obs used |
81 |
| NEO |
- |
| M1 |
16.900 |
| K1 |
45.500 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2004-06-11.0000000 |
| e |
0.98101532 |
| q (au) |
1.103356 |
| a (au) |
58.118234 |
| i (deg) |
111.928474 |
| Ω (om, deg) |
275.537408 |
| ω (w, deg) |
60.490968 |
| M (ma, deg) |
359.956719 |
等級
散乱 + 全体線形
$$
M_a = (18.914 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
18.914 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-1.000 |
| 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) |
| 2026-06-01 00:00 |
05:12:09.86 |
-17:03:57.5 |
HIP 24335 |
19.88 |
| 2026-06-01 12:00 |
05:12:12.80 |
-17:03:52.0 |
HIP 24335 |
19.22 |
| 2026-06-02 00:00 |
05:12:15.74 |
-17:03:46.7 |
HIP 24335 |
18.57 |
| 2026-06-02 12:00 |
05:12:18.68 |
-17:03:41.7 |
HIP 24335 |
17.92 |
| 2026-06-03 00:00 |
05:12:21.63 |
-17:03:36.9 |
HIP 24354 |
17.24 |
| 2026-06-03 12:00 |
05:12:24.58 |
-17:03:32.3 |
HIP 24354 |
16.56 |
| 2026-06-04 00:00 |
05:12:27.53 |
-17:03:27.9 |
HIP 24354 |
15.88 |
| 2026-06-04 12:00 |
05:12:30.49 |
-17:03:23.8 |
HIP 24354 |
15.20 |
| 2026-06-05 00:00 |
05:12:33.44 |
-17:03:19.9 |
HIP 24354 |
14.52 |
| 2026-06-05 12:00 |
05:12:36.40 |
-17:03:16.3 |
HIP 24354 |
13.84 |
| 2026-06-06 00:00 |
05:12:39.36 |
-17:03:12.9 |
HIP 24354 |
13.17 |
| 2026-06-06 12:00 |
05:12:42.32 |
-17:03:09.7 |
HIP 24354 |
12.50 |
| 2026-06-07 00:00 |
05:12:45.29 |
-17:03:06.7 |
HIP 24354 |
11.83 |
| 2026-06-07 12:00 |
05:12:48.25 |
-17:03:04.0 |
HIP 24354 |
11.16 |
| 2026-06-08 00:00 |
05:12:51.22 |
-17:03:01.5 |
HIP 24354 |
10.50 |
| 2026-06-08 12:00 |
05:12:54.19 |
-17:02:59.2 |
HIP 24354 |
9.84 |
| 2026-06-09 00:00 |
05:12:57.15 |
-17:02:57.2 |
HIP 24354 |
9.20 |
| 2026-06-09 12:00 |
05:13:00.12 |
-17:02:55.4 |
HIP 24354 |
8.55 |
| 2026-06-10 00:00 |
05:13:03.09 |
-17:02:53.8 |
HIP 24354 |
7.92 |
| 2026-06-10 12:00 |
05:13:06.06 |
-17:02:52.5 |
HIP 24354 |
7.30 |
| 2026-06-11 00:00 |
05:13:09.03 |
-17:02:51.4 |
HIP 24354 |
6.70 |
| 2026-06-11 12:00 |
05:13:12.00 |
-17:02:50.5 |
HIP 24354 |
6.12 |
| 2026-06-12 00:00 |
05:13:14.96 |
-17:02:49.9 |
HIP 24354 |
5.56 |
| 2026-06-12 12:00 |
05:13:17.93 |
-17:02:49.5 |
HIP 24354 |
5.04 |
| 2026-06-13 00:00 |
05:13:20.90 |
-17:02:49.3 |
HIP 24354 |
4.57 |
| 2026-06-13 12:00 |
05:13:23.86 |
-17:02:49.4 |
HIP 24354 |
4.16 |
| 2026-06-14 00:00 |
05:13:26.83 |
-17:02:49.7 |
HIP 24354 |
3.84 |
| 2026-06-14 12:00 |
05:13:29.79 |
-17:02:50.3 |
HIP 24354 |
3.62 |
| 2026-06-15 00:00 |
05:13:32.75 |
-17:02:51.1 |
HIP 24354 |
3.54 |
| 2026-06-15 12:00 |
05:13:35.71 |
-17:02:52.1 |
HIP 24354 |
3.59 |
| 2026-06-16 00:00 |
05:13:38.67 |
-17:02:53.3 |
HIP 24354 |
3.77 |
| 2026-06-16 12:00 |
05:13:41.62 |
-17:02:54.8 |
HIP 24354 |
4.06 |
| 2026-06-17 00:00 |
05:13:44.57 |
-17:02:56.6 |
HIP 24354 |
4.44 |
| 2026-06-17 12:00 |
05:13:47.52 |
-17:02:58.5 |
HIP 24354 |
4.89 |
| 2026-06-18 00:00 |
05:13:50.47 |
-17:03:00.7 |
HIP 24354 |
5.40 |
| 2026-06-18 12:00 |
05:13:53.41 |
-17:03:03.2 |
HIP 24354 |
5.94 |
| 2026-06-19 00:00 |
05:13:56.35 |
-17:03:05.8 |
HIP 24354 |
6.51 |
| 2026-06-19 12:00 |
05:13:59.28 |
-17:03:08.7 |
HIP 24354 |
7.10 |
| 2026-06-20 00:00 |
05:14:02.21 |
-17:03:11.9 |
HIP 24354 |
7.71 |
| 2026-06-20 12:00 |
05:14:05.14 |
-17:03:15.2 |
HIP 24354 |
8.33 |
| 2026-06-21 00:00 |
05:14:08.06 |
-17:03:18.9 |
HIP 24354 |
8.96 |
| 2026-06-21 12:00 |
05:14:10.98 |
-17:03:22.7 |
HIP 24354 |
9.60 |
| 2026-06-22 00:00 |
05:14:13.90 |
-17:03:26.8 |
HIP 24354 |
10.24 |