메타데이터
| 항목 |
값 |
| Designation |
30P/Reinmuth 1 |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2017-08-19T01:40:55.568640Z |
| Orbit solution date (soln_date, UTC) |
2025-09-30T14:15:16Z |
| Obs used |
2543 |
| NEO |
- |
| M1 |
13.600 |
| K1 |
7.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2016-04-19.0000000 |
| e |
0.50225502 |
| q (au) |
1.876931 |
| a (au) |
3.770870 |
| i (deg) |
8.128534 |
| Ω (om, deg) |
119.715299 |
| ω (w, deg) |
13.245201 |
| M (ma, deg) |
294.440858 |
밝기
산란 + 전체 선형
$$
M_a = (13.317 + 2.368\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
13.317 |
| n |
2.368 |
| gf |
0.999 |
| gb |
-0.504 |
| 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
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-03-26 00:00 |
18:23:46.19 |
-18:34:28.4 |
HIP 90110 |
6.41 |
| 2026-03-26 12:00 |
18:23:56.27 |
-18:34:09.1 |
HIP 90110 |
8.80 |
| 2026-03-27 00:00 |
18:24:06.13 |
-18:33:49.9 |
HIP 90110 |
11.15 |
| 2026-03-27 12:00 |
18:24:15.76 |
-18:33:30.8 |
HIP 90257 |
10.52 |
| 2026-03-28 00:00 |
18:24:25.17 |
-18:33:11.7 |
HIP 90257 |
8.27 |
| 2026-03-28 12:00 |
18:24:34.35 |
-18:32:52.7 |
HIP 90257 |
6.08 |
| 2026-03-29 00:00 |
18:24:43.30 |
-18:32:33.8 |
HIP 90257 |
3.94 |
| 2026-03-29 12:00 |
18:24:52.03 |
-18:32:14.9 |
HIP 90257 |
1.86 |
| 2026-03-30 00:00 |
18:25:00.53 |
-18:31:56.2 |
HIP 90257 |
0.41 |
| 2026-03-30 12:00 |
18:25:08.80 |
-18:31:37.6 |
HIP 90257 |
2.23 |
| 2026-03-31 00:00 |
18:25:16.84 |
-18:31:19.0 |
HIP 90257 |
4.14 |
| 2026-03-31 12:00 |
18:25:24.64 |
-18:31:00.6 |
HIP 90257 |
6.02 |
| 2026-04-01 00:00 |
18:25:32.22 |
-18:30:42.3 |
HIP 90257 |
7.84 |
| 2026-04-01 12:00 |
18:25:39.57 |
-18:30:24.1 |
HIP 90257 |
9.60 |
| 2026-04-02 00:00 |
18:25:46.68 |
-18:30:06.0 |
HIP 90257 |
11.32 |
| 2026-04-02 12:00 |
18:25:53.56 |
-18:29:48.0 |
HIP 90257 |
12.97 |
| 2026-04-03 00:00 |
18:26:00.20 |
-18:29:30.2 |
HIP 90257 |
14.58 |
| 2026-04-03 12:00 |
18:26:06.62 |
-18:29:12.5 |
HIP 90257 |
16.12 |
| 2026-04-04 00:00 |
18:26:12.79 |
-18:28:54.9 |
HIP 90257 |
17.62 |
| 2026-04-04 12:00 |
18:26:18.73 |
-18:28:37.4 |
HIP 90257 |
19.06 |
| 2026-04-05 00:00 |
18:26:24.43 |
-18:28:20.2 |
HIP 90257 |
20.44 |
| 2026-04-05 12:00 |
18:26:29.89 |
-18:28:03.0 |
HIP 90257 |
21.76 |
| 2026-04-06 00:00 |
18:26:35.12 |
-18:27:46.0 |
HIP 90373 |
22.69 |
| 2026-04-06 12:00 |
18:26:40.10 |
-18:27:29.2 |
HIP 90373 |
22.55 |
| 2026-04-07 00:00 |
18:26:44.85 |
-18:27:12.5 |
HIP 90373 |
22.46 |
| 2026-04-07 12:00 |
18:26:49.35 |
-18:26:56.0 |
HIP 90373 |
22.43 |
| 2026-04-08 00:00 |
18:26:53.62 |
-18:26:39.7 |
HIP 90373 |
22.43 |
| 2026-04-08 12:00 |
18:26:57.64 |
-18:26:23.6 |
HIP 90373 |
22.47 |
| 2026-04-09 00:00 |
18:27:01.42 |
-18:26:07.6 |
HIP 90373 |
22.54 |
| 2026-04-09 12:00 |
18:27:04.95 |
-18:25:51.8 |
HIP 90373 |
22.62 |
| 2026-04-10 00:00 |
18:27:08.24 |
-18:25:36.2 |
HIP 90373 |
22.71 |
| 2026-04-10 12:00 |
18:27:11.29 |
-18:25:20.8 |
HIP 90373 |
22.81 |
| 2026-04-11 00:00 |
18:27:14.09 |
-18:25:05.6 |
HIP 90373 |
22.91 |
| 2026-04-11 12:00 |
18:27:16.64 |
-18:24:50.5 |
HIP 90373 |
23.00 |
| 2026-04-12 00:00 |
18:27:18.95 |
-18:24:35.7 |
HIP 90373 |
23.08 |
| 2026-04-12 12:00 |
18:27:21.01 |
-18:24:21.1 |
HIP 90373 |
23.14 |
| 2026-04-13 00:00 |
18:27:22.83 |
-18:24:06.7 |
HIP 90373 |
23.19 |
| 2026-04-13 12:00 |
18:27:24.39 |
-18:23:52.6 |
HIP 90373 |
23.22 |
| 2026-04-14 00:00 |
18:27:25.71 |
-18:23:38.6 |
HIP 90373 |
23.22 |
| 2026-04-14 12:00 |
18:27:26.78 |
-18:23:24.9 |
HIP 90373 |
23.19 |
| 2026-04-15 00:00 |
18:27:27.59 |
-18:23:11.4 |
HIP 90373 |
23.14 |
| 2026-04-15 12:00 |
18:27:28.16 |
-18:22:58.1 |
HIP 90373 |
23.05 |
| 2026-04-16 00:00 |
18:27:28.48 |
-18:22:45.1 |
HIP 90373 |
22.93 |