메타데이터
| 항목 |
값 |
| Designation |
69P/Taylor |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2019-03-18T11:29:12.543360Z |
| Orbit solution date (soln_date, UTC) |
2024-04-16T11:21:12Z |
| Obs used |
46 |
| NEO |
- |
| M1 |
17.300 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2016-06-18.0000000 |
| e |
0.41360765 |
| q (au) |
2.280445 |
| a (au) |
3.888940 |
| i (deg) |
22.041043 |
| Ω (om, deg) |
104.853333 |
| ω (w, deg) |
343.666052 |
| M (ma, deg) |
231.036957 |
밝기
산란 + 전체 선형
$$
M_a = (19.538 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
19.538 |
| n |
2.000 |
| gf |
0.999 |
| gb |
-0.771 |
| k |
0.800 |
| δ90 |
10.000 |
| 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 |
03:16:38.81 |
+02:27:39.7 |
HIP 15264 |
8.18 |
| 2026-06-01 12:00 |
03:17:32.30 |
+02:31:51.9 |
HIP 15264 |
15.03 |
| 2026-06-02 00:00 |
03:18:25.84 |
+02:36:03.0 |
HIP 15467 |
17.25 |
| 2026-06-02 12:00 |
03:19:19.41 |
+02:40:13.2 |
HIP 15467 |
4.21 |
| 2026-06-03 00:00 |
03:20:13.01 |
+02:44:22.4 |
HIP 15467 |
11.44 |
| 2026-06-03 12:00 |
03:21:06.66 |
+02:48:30.7 |
HIP 15467 |
25.24 |
| 2026-06-04 00:00 |
03:22:00.33 |
+02:52:37.9 |
HIP 15779 |
20.04 |
| 2026-06-04 12:00 |
03:22:54.04 |
+02:56:44.2 |
HIP 15779 |
8.75 |
| 2026-06-05 00:00 |
03:23:47.78 |
+03:00:49.5 |
HIP 15830 |
2.51 |
| 2026-06-05 12:00 |
03:24:41.56 |
+03:04:53.8 |
HIP 15830 |
11.89 |
| 2026-06-06 00:00 |
03:25:35.37 |
+03:08:57.1 |
HIP 15948 |
8.76 |
| 2026-06-06 12:00 |
03:26:29.22 |
+03:12:59.3 |
HIP 16076 |
15.52 |
| 2026-06-07 00:00 |
03:27:23.10 |
+03:17:00.6 |
HIP 16066 |
12.76 |
| 2026-06-07 12:00 |
03:28:17.01 |
+03:21:00.9 |
HIP 16226 |
13.17 |
| 2026-06-08 00:00 |
03:29:10.95 |
+03:25:00.2 |
HIP 16260 |
6.46 |
| 2026-06-08 12:00 |
03:30:04.93 |
+03:28:58.4 |
HIP 16260 |
10.53 |
| 2026-06-09 00:00 |
03:30:58.93 |
+03:32:55.6 |
HIP 16346 |
22.63 |
| 2026-06-09 12:00 |
03:31:52.97 |
+03:36:51.8 |
HIP 16479 |
16.46 |
| 2026-06-10 00:00 |
03:32:47.04 |
+03:40:46.9 |
HIP 16479 |
14.72 |
| 2026-06-10 12:00 |
03:33:41.14 |
+03:44:41.0 |
HIP 16569 |
19.02 |
| 2026-06-11 00:00 |
03:34:35.27 |
+03:48:34.0 |
HIP 16651 |
23.26 |
| 2026-06-11 12:00 |
03:35:29.43 |
+03:52:26.0 |
HIP 16698 |
32.09 |
| 2026-06-12 00:00 |
03:36:23.62 |
+03:56:17.0 |
HIP 16925 |
24.85 |
| 2026-06-12 12:00 |
03:37:17.84 |
+04:00:06.9 |
HIP 16925 |
11.75 |
| 2026-06-13 00:00 |
03:38:12.08 |
+04:03:55.7 |
HIP 16925 |
7.32 |
| 2026-06-13 12:00 |
03:39:06.35 |
+04:07:43.4 |
HIP 16925 |
19.09 |
| 2026-06-14 00:00 |
03:40:00.65 |
+04:11:30.1 |
HIP 17206 |
17.26 |
| 2026-06-14 12:00 |
03:40:54.98 |
+04:15:15.7 |
HIP 17206 |
5.54 |
| 2026-06-15 00:00 |
03:41:49.33 |
+04:19:00.2 |
HIP 17206 |
12.59 |
| 2026-06-15 12:00 |
03:42:43.70 |
+04:22:43.6 |
HIP 17330 |
14.53 |
| 2026-06-16 00:00 |
03:43:38.10 |
+04:26:25.9 |
HIP 17353 |
22.32 |
| 2026-06-16 12:00 |
03:44:32.52 |
+04:30:07.1 |
HIP 17537 |
11.86 |
| 2026-06-17 00:00 |
03:45:26.96 |
+04:33:47.3 |
HIP 17537 |
7.87 |
| 2026-06-17 12:00 |
03:46:21.43 |
+04:37:26.3 |
HIP 17645 |
16.96 |
| 2026-06-18 00:00 |
03:47:15.92 |
+04:41:04.2 |
HIP 17645 |
13.45 |
| 2026-06-18 12:00 |
03:48:10.43 |
+04:44:41.1 |
HIP 17645 |
21.68 |
| 2026-06-19 00:00 |
03:49:04.96 |
+04:48:16.8 |
HIP 17645 |
33.97 |
| 2026-06-19 12:00 |
03:49:59.51 |
+04:51:51.4 |
HIP 18026 |
25.06 |
| 2026-06-20 00:00 |
03:50:54.08 |
+04:55:24.9 |
HIP 18026 |
15.04 |
| 2026-06-20 12:00 |
03:51:48.67 |
+04:58:57.3 |
HIP 18026 |
14.81 |
| 2026-06-21 00:00 |
03:52:43.28 |
+05:02:28.6 |
HIP 18234 |
20.37 |
| 2026-06-21 12:00 |
03:53:37.90 |
+05:05:58.8 |
HIP 18234 |
12.94 |
| 2026-06-22 00:00 |
03:54:32.55 |
+05:09:27.8 |
HIP 18265 |
1.67 |