메타데이터
| 항목 |
값 |
| Designation |
436P/Garradd |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2007-09-27T18:17:01.438080Z |
| Orbit solution date (soln_date, UTC) |
2022-12-08T23:43:50Z |
| Obs used |
113 |
| NEO |
- |
| M1 |
11.300 |
| K1 |
23.000 |
| PC |
0.030 |
| Discovery observation (MPC, UTC) |
2021-10-24T10:16:59.808000Z |
| Discovery magnitude (MPC) |
19.40 T |
| Discovery observatory (MPC) |
Q62 · iTelescope Observatory, Siding Spring |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2011-04-11.0000000 |
| e |
0.67183664 |
| q (au) |
1.923695 |
| a (au) |
5.862005 |
| i (deg) |
20.206219 |
| Ω (om, deg) |
87.397920 |
| ω (w, deg) |
283.069780 |
| M (ma, deg) |
89.668749 |
밝기
산란 + 전체 선형
$$
M_a = (12.835 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
12.835 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.500 |
| k |
1.000 |
| 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
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
11:30:20.48 |
+25:22:16.2 |
HIP 56111 |
5.02 |
| 2026-06-01 12:00 |
11:30:20.70 |
+25:21:02.6 |
HIP 56111 |
4.13 |
| 2026-06-02 00:00 |
11:30:21.04 |
+25:19:48.4 |
HIP 56111 |
3.46 |
| 2026-06-02 12:00 |
11:30:21.48 |
+25:18:33.6 |
HIP 56111 |
3.19 |
| 2026-06-03 00:00 |
11:30:22.04 |
+25:17:18.2 |
HIP 56111 |
3.42 |
| 2026-06-03 12:00 |
11:30:22.70 |
+25:16:02.3 |
HIP 56111 |
4.08 |
| 2026-06-04 00:00 |
11:30:23.48 |
+25:14:45.8 |
HIP 56111 |
5.00 |
| 2026-06-04 12:00 |
11:30:24.36 |
+25:13:28.8 |
HIP 56111 |
6.08 |
| 2026-06-05 00:00 |
11:30:25.36 |
+25:12:11.3 |
HIP 56111 |
7.26 |
| 2026-06-05 12:00 |
11:30:26.46 |
+25:10:53.2 |
HIP 56111 |
8.49 |
| 2026-06-06 00:00 |
11:30:27.68 |
+25:09:34.5 |
HIP 56111 |
9.77 |
| 2026-06-06 12:00 |
11:30:29.00 |
+25:08:15.4 |
HIP 56111 |
11.08 |
| 2026-06-07 00:00 |
11:30:30.43 |
+25:06:55.7 |
HIP 56111 |
12.42 |
| 2026-06-07 12:00 |
11:30:31.97 |
+25:05:35.5 |
HIP 56091 |
12.58 |
| 2026-06-08 00:00 |
11:30:33.62 |
+25:04:14.8 |
HIP 56091 |
11.97 |
| 2026-06-08 12:00 |
11:30:35.38 |
+25:02:53.6 |
HIP 56091 |
11.53 |
| 2026-06-09 00:00 |
11:30:37.25 |
+25:01:31.9 |
HIP 56091 |
11.26 |
| 2026-06-09 12:00 |
11:30:39.22 |
+25:00:09.6 |
HIP 56106 |
11.05 |
| 2026-06-10 00:00 |
11:30:41.30 |
+24:58:46.9 |
HIP 56106 |
10.62 |
| 2026-06-10 12:00 |
11:30:43.48 |
+24:57:23.8 |
HIP 56106 |
10.39 |
| 2026-06-11 00:00 |
11:30:45.78 |
+24:56:00.1 |
HIP 56106 |
10.39 |
| 2026-06-11 12:00 |
11:30:48.18 |
+24:54:36.0 |
HIP 56106 |
10.62 |
| 2026-06-12 00:00 |
11:30:50.68 |
+24:53:11.3 |
HIP 56106 |
11.08 |
| 2026-06-12 12:00 |
11:30:53.30 |
+24:51:46.3 |
HIP 56106 |
11.75 |
| 2026-06-13 00:00 |
11:30:56.01 |
+24:50:20.8 |
HIP 56106 |
12.59 |
| 2026-06-13 12:00 |
11:30:58.84 |
+24:48:54.8 |
HIP 56106 |
13.59 |
| 2026-06-14 00:00 |
11:31:01.77 |
+24:47:28.4 |
HIP 56106 |
14.71 |
| 2026-06-14 12:00 |
11:31:04.80 |
+24:46:01.5 |
HIP 56106 |
15.93 |
| 2026-06-15 00:00 |
11:31:07.94 |
+24:44:34.2 |
HIP 56106 |
17.24 |
| 2026-06-15 12:00 |
11:31:11.18 |
+24:43:06.5 |
HIP 56106 |
18.63 |
| 2026-06-16 00:00 |
11:31:14.52 |
+24:41:38.3 |
HIP 56106 |
20.07 |
| 2026-06-16 12:00 |
11:31:17.97 |
+24:40:09.8 |
HIP 56106 |
21.57 |
| 2026-06-17 00:00 |
11:31:21.52 |
+24:38:40.8 |
HIP 56255 |
21.14 |
| 2026-06-17 12:00 |
11:31:25.17 |
+24:37:11.5 |
HIP 56255 |
19.46 |
| 2026-06-18 00:00 |
11:31:28.93 |
+24:35:41.7 |
HIP 56255 |
17.78 |
| 2026-06-18 12:00 |
11:31:32.78 |
+24:34:11.6 |
HIP 56255 |
16.09 |
| 2026-06-19 00:00 |
11:31:36.74 |
+24:32:41.1 |
HIP 56255 |
14.40 |
| 2026-06-19 12:00 |
11:31:40.79 |
+24:31:10.2 |
HIP 56255 |
12.73 |
| 2026-06-20 00:00 |
11:31:44.95 |
+24:29:38.9 |
HIP 56255 |
11.07 |
| 2026-06-20 12:00 |
11:31:49.20 |
+24:28:07.2 |
HIP 56255 |
9.45 |
| 2026-06-21 00:00 |
11:31:53.56 |
+24:26:35.3 |
HIP 56255 |
7.91 |
| 2026-06-21 12:00 |
11:31:58.01 |
+24:25:02.9 |
HIP 56255 |
6.52 |
| 2026-06-22 00:00 |
11:32:02.56 |
+24:23:30.2 |
HIP 56255 |
5.42 |