メタデータ
| 項目 |
値 |
| Designation |
C/1936 K1 (Peltier) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1936-07-08T23:00:20.085120Z |
| Orbit solution date (soln_date, UTC) |
2024-02-20T20:16:47Z |
| Obs used |
113 |
| NEO |
- |
| M1 |
6.600 |
| K1 |
18.000 |
| PC |
- |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
1936-07-04.0000000 |
| e |
0.99195459 |
| q (au) |
1.099880 |
| a (au) |
136.709018 |
| i (deg) |
78.547416 |
| Ω (om, deg) |
134.940673 |
| ω (w, deg) |
148.477869 |
| M (ma, deg) |
359.996943 |
等級
散乱 + 全体線形
$$
M_a = (6.033 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
6.033 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-1.000 |
| 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) |
| 2026-06-01 00:00 |
07:50:38.74 |
-19:31:57.1 |
HIP 38246 |
7.81 |
| 2026-06-01 12:00 |
07:50:39.59 |
-19:31:50.6 |
HIP 38246 |
8.00 |
| 2026-06-02 00:00 |
07:50:40.43 |
-19:31:44.2 |
HIP 38246 |
8.20 |
| 2026-06-02 12:00 |
07:50:41.29 |
-19:31:37.8 |
HIP 38246 |
8.39 |
| 2026-06-03 00:00 |
07:50:42.15 |
-19:31:31.5 |
HIP 38246 |
8.60 |
| 2026-06-03 12:00 |
07:50:43.02 |
-19:31:25.3 |
HIP 38246 |
8.80 |
| 2026-06-04 00:00 |
07:50:43.90 |
-19:31:19.2 |
HIP 38246 |
9.01 |
| 2026-06-04 12:00 |
07:50:44.78 |
-19:31:13.2 |
HIP 38246 |
9.22 |
| 2026-06-05 00:00 |
07:50:45.67 |
-19:31:07.2 |
HIP 38246 |
9.43 |
| 2026-06-05 12:00 |
07:50:46.57 |
-19:31:01.4 |
HIP 38246 |
9.64 |
| 2026-06-06 00:00 |
07:50:47.47 |
-19:30:55.6 |
HIP 38246 |
9.86 |
| 2026-06-06 12:00 |
07:50:48.38 |
-19:30:49.9 |
HIP 38246 |
10.08 |
| 2026-06-07 00:00 |
07:50:49.29 |
-19:30:44.3 |
HIP 38246 |
10.30 |
| 2026-06-07 12:00 |
07:50:50.22 |
-19:30:38.8 |
HIP 38246 |
10.52 |
| 2026-06-08 00:00 |
07:50:51.14 |
-19:30:33.3 |
HIP 38246 |
10.75 |
| 2026-06-08 12:00 |
07:50:52.08 |
-19:30:28.0 |
HIP 38246 |
10.98 |
| 2026-06-09 00:00 |
07:50:53.02 |
-19:30:22.7 |
HIP 38246 |
11.20 |
| 2026-06-09 12:00 |
07:50:53.97 |
-19:30:17.5 |
HIP 38246 |
11.43 |
| 2026-06-10 00:00 |
07:50:54.92 |
-19:30:12.4 |
HIP 38246 |
11.67 |
| 2026-06-10 12:00 |
07:50:55.88 |
-19:30:07.4 |
HIP 38246 |
11.90 |
| 2026-06-11 00:00 |
07:50:56.84 |
-19:30:02.5 |
HIP 38246 |
12.14 |
| 2026-06-11 12:00 |
07:50:57.81 |
-19:29:57.7 |
HIP 38246 |
12.37 |
| 2026-06-12 00:00 |
07:50:58.79 |
-19:29:53.0 |
HIP 38246 |
12.61 |
| 2026-06-12 12:00 |
07:50:59.77 |
-19:29:48.3 |
HIP 38246 |
12.85 |
| 2026-06-13 00:00 |
07:51:00.76 |
-19:29:43.8 |
HIP 38246 |
13.09 |
| 2026-06-13 12:00 |
07:51:01.75 |
-19:29:39.3 |
HIP 38246 |
13.33 |
| 2026-06-14 00:00 |
07:51:02.75 |
-19:29:34.9 |
HIP 38246 |
13.57 |
| 2026-06-14 12:00 |
07:51:03.76 |
-19:29:30.6 |
HIP 38246 |
13.82 |
| 2026-06-15 00:00 |
07:51:04.77 |
-19:29:26.4 |
HIP 38246 |
14.06 |
| 2026-06-15 12:00 |
07:51:05.78 |
-19:29:22.3 |
HIP 38246 |
14.31 |
| 2026-06-16 00:00 |
07:51:06.80 |
-19:29:18.3 |
HIP 38246 |
14.56 |
| 2026-06-16 12:00 |
07:51:07.83 |
-19:29:14.4 |
HIP 38246 |
14.81 |
| 2026-06-17 00:00 |
07:51:08.86 |
-19:29:10.6 |
HIP 38246 |
15.06 |
| 2026-06-17 12:00 |
07:51:09.90 |
-19:29:06.8 |
HIP 38246 |
15.31 |
| 2026-06-18 00:00 |
07:51:10.94 |
-19:29:03.2 |
HIP 38246 |
15.56 |
| 2026-06-18 12:00 |
07:51:11.98 |
-19:28:59.6 |
HIP 38246 |
15.81 |
| 2026-06-19 00:00 |
07:51:13.03 |
-19:28:56.2 |
HIP 38246 |
16.07 |
| 2026-06-19 12:00 |
07:51:14.09 |
-19:28:52.8 |
HIP 38246 |
16.32 |
| 2026-06-20 00:00 |
07:51:15.14 |
-19:28:49.5 |
HIP 38246 |
16.57 |
| 2026-06-20 12:00 |
07:51:16.21 |
-19:28:46.3 |
HIP 38246 |
16.83 |
| 2026-06-21 00:00 |
07:51:17.28 |
-19:28:43.2 |
HIP 38246 |
17.09 |
| 2026-06-21 12:00 |
07:51:18.35 |
-19:28:40.2 |
HIP 38246 |
17.34 |
| 2026-06-22 00:00 |
07:51:19.42 |
-19:28:37.3 |
HIP 38246 |
17.60 |