メタデータ
| 項目 |
値 |
| Designation |
C/2000 K1 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1999-12-14T12:17:47.273280Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:04Z |
| Obs used |
304 |
| NEO |
- |
| M1 |
6.200 |
| K1 |
8.250 |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
2000-09-03.0000000 |
| e |
1.00229832 |
| q (au) |
6.275829 |
| a (au) |
-2730.610936 |
| i (deg) |
116.789203 |
| Ω (om, deg) |
260.198200 |
| ω (w, deg) |
15.791006 |
| M (ma, deg) |
0.001820 |
等級
散乱 + 全体線形
$$
M_a = (0.447 + 5.589\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
0.447 |
| n |
5.589 |
| gf |
0.999 |
| 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) |
| 2026-03-26 00:00 |
06:13:24.41 |
+48:35:00.1 |
HIP 29523 |
7.23 |
| 2026-03-26 12:00 |
06:13:24.35 |
+48:34:40.3 |
HIP 29523 |
6.91 |
| 2026-03-27 00:00 |
06:13:24.32 |
+48:34:20.4 |
HIP 29523 |
6.60 |
| 2026-03-27 12:00 |
06:13:24.34 |
+48:34:00.6 |
HIP 29523 |
6.28 |
| 2026-03-28 00:00 |
06:13:24.38 |
+48:33:40.8 |
HIP 29523 |
5.98 |
| 2026-03-28 12:00 |
06:13:24.46 |
+48:33:21.0 |
HIP 29523 |
5.67 |
| 2026-03-29 00:00 |
06:13:24.58 |
+48:33:01.1 |
HIP 29523 |
5.37 |
| 2026-03-29 12:00 |
06:13:24.73 |
+48:32:41.4 |
HIP 29523 |
5.08 |
| 2026-03-30 00:00 |
06:13:24.91 |
+48:32:21.6 |
HIP 29523 |
4.80 |
| 2026-03-30 12:00 |
06:13:25.13 |
+48:32:01.8 |
HIP 29523 |
4.52 |
| 2026-03-31 00:00 |
06:13:25.38 |
+48:31:42.1 |
HIP 29523 |
4.26 |
| 2026-03-31 12:00 |
06:13:25.66 |
+48:31:22.4 |
HIP 29523 |
4.01 |
| 2026-04-01 00:00 |
06:13:25.98 |
+48:31:02.7 |
HIP 29523 |
3.77 |
| 2026-04-01 12:00 |
06:13:26.34 |
+48:30:43.0 |
HIP 29523 |
3.56 |
| 2026-04-02 00:00 |
06:13:26.73 |
+48:30:23.3 |
HIP 29523 |
3.37 |
| 2026-04-02 12:00 |
06:13:27.15 |
+48:30:03.7 |
HIP 29523 |
3.21 |
| 2026-04-03 00:00 |
06:13:27.60 |
+48:29:44.1 |
HIP 29523 |
3.08 |
| 2026-04-03 12:00 |
06:13:28.09 |
+48:29:24.5 |
HIP 29523 |
2.99 |
| 2026-04-04 00:00 |
06:13:28.61 |
+48:29:04.9 |
HIP 29523 |
2.94 |
| 2026-04-04 12:00 |
06:13:29.17 |
+48:28:45.4 |
HIP 29523 |
2.93 |
| 2026-04-05 00:00 |
06:13:29.76 |
+48:28:25.9 |
HIP 29523 |
2.97 |
| 2026-04-05 12:00 |
06:13:30.38 |
+48:28:06.4 |
HIP 29523 |
3.05 |
| 2026-04-06 00:00 |
06:13:31.04 |
+48:27:47.0 |
HIP 29523 |
3.17 |
| 2026-04-06 12:00 |
06:13:31.72 |
+48:27:27.6 |
HIP 29523 |
3.33 |
| 2026-04-07 00:00 |
06:13:32.44 |
+48:27:08.2 |
HIP 29523 |
3.52 |
| 2026-04-07 12:00 |
06:13:33.20 |
+48:26:48.9 |
HIP 29523 |
3.73 |
| 2026-04-08 00:00 |
06:13:33.99 |
+48:26:29.6 |
HIP 29523 |
3.97 |
| 2026-04-08 12:00 |
06:13:34.81 |
+48:26:10.3 |
HIP 29523 |
4.23 |
| 2026-04-09 00:00 |
06:13:35.66 |
+48:25:51.1 |
HIP 29523 |
4.51 |
| 2026-04-09 12:00 |
06:13:36.54 |
+48:25:31.9 |
HIP 29523 |
4.80 |
| 2026-04-10 00:00 |
06:13:37.46 |
+48:25:12.7 |
HIP 29523 |
5.10 |
| 2026-04-10 12:00 |
06:13:38.41 |
+48:24:53.6 |
HIP 29523 |
5.41 |
| 2026-04-11 00:00 |
06:13:39.39 |
+48:24:34.6 |
HIP 29523 |
5.73 |
| 2026-04-11 12:00 |
06:13:40.41 |
+48:24:15.5 |
HIP 29523 |
6.06 |
| 2026-04-12 00:00 |
06:13:41.45 |
+48:23:56.6 |
HIP 29523 |
6.40 |
| 2026-04-12 12:00 |
06:13:42.53 |
+48:23:37.6 |
HIP 29523 |
6.74 |
| 2026-04-13 00:00 |
06:13:43.64 |
+48:23:18.7 |
HIP 29523 |
7.08 |
| 2026-04-13 12:00 |
06:13:44.78 |
+48:23:00.0 |
HIP 29523 |
7.44 |
| 2026-04-14 00:00 |
06:13:45.95 |
+48:22:41.1 |
HIP 29523 |
7.79 |
| 2026-04-14 12:00 |
06:13:47.16 |
+48:22:22.4 |
HIP 29523 |
8.15 |
| 2026-04-15 00:00 |
06:13:48.39 |
+48:22:03.7 |
HIP 29523 |
8.52 |
| 2026-04-15 12:00 |
06:13:49.66 |
+48:21:45.0 |
HIP 29523 |
8.89 |
| 2026-04-16 00:00 |
06:13:50.95 |
+48:21:26.5 |
HIP 29523 |
9.26 |