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) |
| 2026-07-29 00:00 |
14:36:07.90 |
-41:46:53.3 |
HIP 71353 |
17.24 |
| 2026-07-29 12:00 |
14:36:06.58 |
-41:45:59.5 |
HIP 71353 |
16.32 |
| 2026-07-30 00:00 |
14:36:05.33 |
-41:45:05.9 |
HIP 71353 |
15.41 |
| 2026-07-30 12:00 |
14:36:04.16 |
-41:44:12.6 |
HIP 71353 |
14.51 |
| 2026-07-31 00:00 |
14:36:03.06 |
-41:43:19.6 |
HIP 71353 |
13.63 |
| 2026-07-31 12:00 |
14:36:02.04 |
-41:42:26.8 |
HIP 71353 |
12.75 |
| 2026-08-01 00:00 |
14:36:01.10 |
-41:41:34.3 |
HIP 71353 |
11.89 |
| 2026-08-01 12:00 |
14:36:00.23 |
-41:40:42.1 |
HIP 71353 |
11.05 |
| 2026-08-02 00:00 |
14:35:59.44 |
-41:39:50.2 |
HIP 71353 |
10.23 |
| 2026-08-02 12:00 |
14:35:58.72 |
-41:38:58.6 |
HIP 71353 |
9.43 |
| 2026-08-03 00:00 |
14:35:58.08 |
-41:38:07.2 |
HIP 71353 |
8.65 |
| 2026-08-03 12:00 |
14:35:57.51 |
-41:37:16.2 |
HIP 71353 |
7.90 |
| 2026-08-04 00:00 |
14:35:57.02 |
-41:36:25.4 |
HIP 71353 |
7.19 |
| 2026-08-04 12:00 |
14:35:56.60 |
-41:35:34.9 |
HIP 71353 |
6.53 |
| 2026-08-05 00:00 |
14:35:56.25 |
-41:34:44.8 |
HIP 71353 |
5.93 |
| 2026-08-05 12:00 |
14:35:55.98 |
-41:33:54.9 |
HIP 71353 |
5.41 |
| 2026-08-06 00:00 |
14:35:55.79 |
-41:33:05.3 |
HIP 71353 |
4.99 |
| 2026-08-06 12:00 |
14:35:55.67 |
-41:32:16.1 |
HIP 71353 |
4.69 |
| 2026-08-07 00:00 |
14:35:55.62 |
-41:31:27.1 |
HIP 71353 |
4.53 |
| 2026-08-07 12:00 |
14:35:55.65 |
-41:30:38.5 |
HIP 71353 |
4.54 |
| 2026-08-08 00:00 |
14:35:55.75 |
-41:29:50.2 |
HIP 71353 |
4.70 |
| 2026-08-08 12:00 |
14:35:55.93 |
-41:29:02.2 |
HIP 71353 |
4.99 |
| 2026-08-09 00:00 |
14:35:56.18 |
-41:28:14.5 |
HIP 71353 |
5.40 |
| 2026-08-09 12:00 |
14:35:56.50 |
-41:27:27.1 |
HIP 71353 |
5.90 |
| 2026-08-10 00:00 |
14:35:56.90 |
-41:26:40.1 |
HIP 71399 |
6.14 |
| 2026-08-10 12:00 |
14:35:57.36 |
-41:25:53.4 |
HIP 71399 |
5.36 |
| 2026-08-11 00:00 |
14:35:57.91 |
-41:25:07.1 |
HIP 71399 |
4.58 |
| 2026-08-11 12:00 |
14:35:58.52 |
-41:24:21.1 |
HIP 71399 |
3.80 |
| 2026-08-12 00:00 |
14:35:59.21 |
-41:23:35.4 |
HIP 71399 |
3.03 |
| 2026-08-12 12:00 |
14:35:59.97 |
-41:22:50.0 |
HIP 71399 |
2.26 |
| 2026-08-13 00:00 |
14:36:00.80 |
-41:22:05.0 |
HIP 71399 |
1.50 |
| 2026-08-13 12:00 |
14:36:01.70 |
-41:21:20.4 |
HIP 71399 |
0.75 |
| 2026-08-14 00:00 |
14:36:02.67 |
-41:20:36.1 |
HIP 71399 |
0.21 |
| 2026-08-14 12:00 |
14:36:03.72 |
-41:19:52.2 |
HIP 71399 |
0.83 |
| 2026-08-15 00:00 |
14:36:04.84 |
-41:19:08.6 |
HIP 71399 |
1.57 |
| 2026-08-15 12:00 |
14:36:06.02 |
-41:18:25.3 |
HIP 71399 |
2.33 |
| 2026-08-16 00:00 |
14:36:07.28 |
-41:17:42.4 |
HIP 71399 |
3.08 |
| 2026-08-16 12:00 |
14:36:08.61 |
-41:17:00.0 |
HIP 71399 |
3.83 |
| 2026-08-17 00:00 |
14:36:10.01 |
-41:16:17.8 |
HIP 71399 |
4.58 |
| 2026-08-17 12:00 |
14:36:11.48 |
-41:15:36.0 |
HIP 71399 |
5.33 |
| 2026-08-18 00:00 |
14:36:13.01 |
-41:14:54.5 |
HIP 71399 |
6.08 |
| 2026-08-18 12:00 |
14:36:14.62 |
-41:14:13.5 |
HIP 71399 |
6.82 |
| 2026-08-19 00:00 |
14:36:16.29 |
-41:13:32.8 |
HIP 71399 |
7.57 |