メタデータ
| 項目 |
値 |
| Designation |
C/1960 Y1 (Candy) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1961-02-10T23:12:09.239040Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:14Z |
| Obs used |
8 |
| NEO |
Yes |
| M1 |
- |
| K1 |
- |
| PC |
0.030 |
オスキュレーティング軌道要素
| 項目 |
値 |
| Epoch (epoch_cal, TDB) |
1961-01-09.0000000 |
| e |
0.93033662 |
| q (au) |
1.046719 |
| a (au) |
15.025379 |
| i (deg) |
151.174695 |
| Ω (om, deg) |
177.293253 |
| ω (w, deg) |
138.764838 |
| M (ma, deg) |
359.442118 |
等級
散乱 + 全体線形
$$
M_a = (7.452 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
モデル定数
| 項目 |
値 |
| H0 |
7.452 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.546 |
| 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 |
14:47:03.95 |
-43:41:40.0 |
HIP 72338 |
9.70 |
| 2026-06-01 12:00 |
14:46:54.63 |
-43:40:46.2 |
HIP 72338 |
10.01 |
| 2026-06-02 00:00 |
14:46:45.35 |
-43:39:52.2 |
HIP 72338 |
10.65 |
| 2026-06-02 12:00 |
14:46:36.11 |
-43:38:57.8 |
HIP 72338 |
11.56 |
| 2026-06-03 00:00 |
14:46:26.93 |
-43:38:03.2 |
HIP 72338 |
12.68 |
| 2026-06-03 12:00 |
14:46:17.79 |
-43:37:08.3 |
HIP 72338 |
13.97 |
| 2026-06-04 00:00 |
14:46:08.70 |
-43:36:13.1 |
HIP 72338 |
15.37 |
| 2026-06-04 12:00 |
14:45:59.65 |
-43:35:17.7 |
HIP 72338 |
16.85 |
| 2026-06-05 00:00 |
14:45:50.66 |
-43:34:21.9 |
HIP 72338 |
18.40 |
| 2026-06-05 12:00 |
14:45:41.72 |
-43:33:26.0 |
HIP 72338 |
20.00 |
| 2026-06-06 00:00 |
14:45:32.82 |
-43:32:29.7 |
HIP 72338 |
21.63 |
| 2026-06-06 12:00 |
14:45:23.98 |
-43:31:33.2 |
HIP 72338 |
23.29 |
| 2026-06-07 00:00 |
14:45:15.19 |
-43:30:36.5 |
HIP 72338 |
24.97 |
| 2026-06-07 12:00 |
14:45:06.46 |
-43:29:39.5 |
HIP 72262 |
25.93 |
| 2026-06-08 00:00 |
14:44:57.77 |
-43:28:42.3 |
HIP 72262 |
26.28 |
| 2026-06-08 12:00 |
14:44:49.14 |
-43:27:44.9 |
HIP 72262 |
26.75 |
| 2026-06-09 00:00 |
14:44:40.57 |
-43:26:47.2 |
HIP 72262 |
27.32 |
| 2026-06-09 12:00 |
14:44:32.05 |
-43:25:49.3 |
HIP 72262 |
27.99 |
| 2026-06-10 00:00 |
14:44:23.58 |
-43:24:51.2 |
HIP 72262 |
28.74 |
| 2026-06-10 12:00 |
14:44:15.17 |
-43:23:52.9 |
HIP 72262 |
29.59 |
| 2026-06-11 00:00 |
14:44:06.82 |
-43:22:54.3 |
HIP 72108 |
29.52 |
| 2026-06-11 12:00 |
14:43:58.53 |
-43:21:55.6 |
HIP 72108 |
29.15 |
| 2026-06-12 00:00 |
14:43:50.29 |
-43:20:56.7 |
HIP 72108 |
28.88 |
| 2026-06-12 12:00 |
14:43:42.11 |
-43:19:57.6 |
HIP 72108 |
28.71 |
| 2026-06-13 00:00 |
14:43:33.99 |
-43:18:58.3 |
HIP 72108 |
28.64 |
| 2026-06-13 12:00 |
14:43:25.93 |
-43:17:58.8 |
HIP 72108 |
28.68 |
| 2026-06-14 00:00 |
14:43:17.93 |
-43:16:59.2 |
HIP 72108 |
28.82 |
| 2026-06-14 12:00 |
14:43:10.00 |
-43:15:59.4 |
HIP 72108 |
29.05 |
| 2026-06-15 00:00 |
14:43:02.12 |
-43:14:59.4 |
HIP 72108 |
29.38 |
| 2026-06-15 12:00 |
14:42:54.31 |
-43:13:59.3 |
HIP 72108 |
29.80 |
| 2026-06-16 00:00 |
14:42:46.56 |
-43:12:59.0 |
HIP 72108 |
30.30 |
| 2026-06-16 12:00 |
14:42:38.87 |
-43:11:58.6 |
HIP 72108 |
30.88 |
| 2026-06-17 00:00 |
14:42:31.24 |
-43:10:58.1 |
HIP 71767 |
30.67 |
| 2026-06-17 12:00 |
14:42:23.68 |
-43:09:57.4 |
HIP 71767 |
29.02 |
| 2026-06-18 00:00 |
14:42:16.19 |
-43:08:56.6 |
HIP 71767 |
27.38 |
| 2026-06-18 12:00 |
14:42:08.76 |
-43:07:55.7 |
HIP 71767 |
25.75 |
| 2026-06-19 00:00 |
14:42:01.39 |
-43:06:54.6 |
HIP 71767 |
24.14 |
| 2026-06-19 12:00 |
14:41:54.09 |
-43:05:53.5 |
HIP 71767 |
22.55 |
| 2026-06-20 00:00 |
14:41:46.86 |
-43:04:52.3 |
HIP 71767 |
20.98 |
| 2026-06-20 12:00 |
14:41:39.70 |
-43:03:50.9 |
HIP 71767 |
19.42 |
| 2026-06-21 00:00 |
14:41:32.60 |
-43:02:49.5 |
HIP 71767 |
17.89 |
| 2026-06-21 12:00 |
14:41:25.57 |
-43:01:47.9 |
HIP 71767 |
16.39 |
| 2026-06-22 00:00 |
14:41:18.60 |
-43:00:46.3 |
HIP 71767 |
14.92 |