메타데이터
| 항목 |
값 |
| Designation |
41P/Tuttle-Giacobini-Kresak |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2017-04-12T18:04:18.526080Z |
| Orbit solution date (soln_date, UTC) |
2023-09-29T16:16:14Z |
| Obs used |
4300 |
| NEO |
Yes |
| M1 |
16.900 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2017-04-14.0000000 |
| e |
0.66127330 |
| q (au) |
1.045043 |
| a (au) |
3.085209 |
| i (deg) |
9.228466 |
| Ω (om, deg) |
141.058972 |
| ω (w, deg) |
62.166743 |
| M (ma, deg) |
0.226802 |
밝기
산란 + 전체 선형
$$
M_a = (11.530 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.530 |
| n |
6.000 |
| gf |
0.994 |
| gb |
-0.863 |
| k |
0.997 |
| δ90 |
9.999 |
| 파라미터 |
기호 |
범위 |
설명 |
| 태양·지구거리 1 AU에서의 절대등급 |
H0 |
-5 to 20 |
혜성의 고유 밝기 |
| 광도 기울기 파라미터 |
n |
2 to 6 |
태양거리 변화에 따른 밝기 변화율 |
| 전방 산란 비대칭 계수 |
gf |
0.8 to 1 |
전방 산란의 강도 |
| 후방 산란 비대칭 계수 |
gb |
-1 to -0.5 |
후방 산란의 강도 |
| 분할 계수 |
k |
0.8 to 1 |
전·후방 산란 기여도 비율 |
| 먼지/가스 밝기 비 |
δ90 |
1 to 10 |
코마에서 먼지 산란 대비 가스 방출의 상대 기여 |
참고: EPSC-DPS2025-160
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
03:08:35.66 |
+09:43:38.6 |
HIP 14630 |
6.12 |
| 2026-06-01 12:00 |
03:09:01.27 |
+09:45:09.6 |
HIP 14630 |
2.47 |
| 2026-06-02 00:00 |
03:09:26.86 |
+09:46:40.1 |
HIP 14630 |
7.68 |
| 2026-06-02 12:00 |
03:09:52.44 |
+09:48:10.0 |
HIP 14716 |
3.57 |
| 2026-06-03 00:00 |
03:10:18.00 |
+09:49:39.3 |
HIP 14716 |
2.90 |
| 2026-06-03 12:00 |
03:10:43.54 |
+09:51:08.1 |
HIP 14792 |
9.30 |
| 2026-06-04 00:00 |
03:11:09.06 |
+09:52:36.2 |
HIP 14792 |
7.06 |
| 2026-06-04 12:00 |
03:11:34.57 |
+09:54:03.8 |
HIP 14792 |
9.83 |
| 2026-06-05 00:00 |
03:12:00.05 |
+09:55:30.9 |
HIP 14792 |
15.05 |
| 2026-06-05 12:00 |
03:12:25.51 |
+09:56:57.3 |
HIP 14792 |
20.95 |
| 2026-06-06 00:00 |
03:12:50.95 |
+09:58:23.1 |
HIP 14906 |
22.31 |
| 2026-06-06 12:00 |
03:13:16.37 |
+09:59:48.4 |
HIP 14906 |
23.78 |
| 2026-06-07 00:00 |
03:13:41.77 |
+10:01:13.1 |
HIP 15054 |
26.40 |
| 2026-06-07 12:00 |
03:14:07.14 |
+10:02:37.1 |
HIP 15054 |
24.65 |
| 2026-06-08 00:00 |
03:14:32.49 |
+10:04:00.6 |
HIP 15054 |
24.50 |
| 2026-06-08 12:00 |
03:14:57.81 |
+10:05:23.5 |
HIP 15054 |
25.99 |
| 2026-06-09 00:00 |
03:15:23.11 |
+10:06:45.7 |
HIP 15288 |
27.64 |
| 2026-06-09 12:00 |
03:15:48.38 |
+10:08:07.4 |
HIP 15288 |
21.37 |
| 2026-06-10 00:00 |
03:16:13.63 |
+10:09:28.4 |
HIP 15288 |
15.18 |
| 2026-06-10 12:00 |
03:16:38.85 |
+10:10:48.8 |
HIP 15288 |
9.23 |
| 2026-06-11 00:00 |
03:17:04.03 |
+10:12:08.6 |
HIP 15288 |
4.54 |
| 2026-06-11 12:00 |
03:17:29.19 |
+10:13:27.8 |
HIP 15288 |
6.02 |
| 2026-06-12 00:00 |
03:17:54.32 |
+10:14:46.4 |
HIP 15401 |
10.80 |
| 2026-06-12 12:00 |
03:18:19.42 |
+10:16:04.3 |
HIP 15401 |
4.70 |
| 2026-06-13 00:00 |
03:18:44.49 |
+10:17:21.6 |
HIP 15401 |
2.69 |
| 2026-06-13 12:00 |
03:19:09.52 |
+10:18:38.3 |
HIP 15401 |
8.46 |
| 2026-06-14 00:00 |
03:19:34.53 |
+10:19:54.3 |
HIP 15401 |
14.66 |
| 2026-06-14 12:00 |
03:19:59.49 |
+10:21:09.7 |
HIP 15401 |
20.89 |
| 2026-06-15 00:00 |
03:20:24.42 |
+10:22:24.5 |
HIP 15633 |
20.27 |
| 2026-06-15 12:00 |
03:20:49.32 |
+10:23:38.5 |
HIP 15633 |
15.82 |
| 2026-06-16 00:00 |
03:21:14.18 |
+10:24:52.0 |
HIP 15633 |
12.96 |
| 2026-06-16 12:00 |
03:21:39.00 |
+10:26:04.8 |
HIP 15633 |
12.79 |
| 2026-06-17 00:00 |
03:22:03.78 |
+10:27:16.9 |
HIP 15633 |
15.38 |
| 2026-06-17 12:00 |
03:22:28.52 |
+10:28:28.4 |
HIP 15633 |
19.66 |
| 2026-06-18 00:00 |
03:22:53.22 |
+10:29:39.2 |
HIP 15837 |
16.44 |
| 2026-06-18 12:00 |
03:23:17.88 |
+10:30:49.4 |
HIP 15837 |
10.72 |
| 2026-06-19 00:00 |
03:23:42.50 |
+10:31:58.9 |
HIP 15837 |
6.00 |
| 2026-06-19 12:00 |
03:24:07.08 |
+10:33:07.7 |
HIP 15837 |
5.73 |
| 2026-06-20 00:00 |
03:24:31.61 |
+10:34:15.9 |
HIP 15837 |
10.24 |
| 2026-06-20 12:00 |
03:24:56.10 |
+10:35:23.4 |
HIP 15837 |
15.87 |
| 2026-06-21 00:00 |
03:25:20.54 |
+10:36:30.2 |
HIP 15837 |
21.75 |
| 2026-06-21 12:00 |
03:25:44.94 |
+10:37:36.4 |
HIP 15922 |
23.21 |
| 2026-06-22 00:00 |
03:26:09.29 |
+10:38:41.9 |
HIP 15922 |
25.46 |