메타데이터
| 항목 |
값 |
| Designation |
44P/Reinmuth 2 |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2022-04-23T16:37:41.194560Z |
| Orbit solution date (soln_date, UTC) |
2024-03-20T08:30:40Z |
| Obs used |
1496 |
| NEO |
- |
| M1 |
14.000 |
| K1 |
5.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2020-03-31.0000000 |
| e |
0.42698572 |
| q (au) |
2.113823 |
| a (au) |
3.688953 |
| i (deg) |
5.898445 |
| Ω (om, deg) |
286.481266 |
| ω (w, deg) |
58.123620 |
| M (ma, deg) |
255.155949 |
밝기
산란 + 전체 선형
$$
M_a = (14.126 + 2.675\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
14.126 |
| n |
2.675 |
| gf |
0.998 |
| gb |
-0.500 |
| k |
0.800 |
| δ90 |
1.992 |
| 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 |
10:59:28.10 |
+00:10:20.6 |
HIP 53812 |
21.13 |
| 2026-06-01 12:00 |
10:59:33.54 |
+00:10:17.8 |
HIP 53812 |
20.08 |
| 2026-06-02 00:00 |
10:59:39.14 |
+00:10:13.9 |
HIP 53812 |
19.04 |
| 2026-06-02 12:00 |
10:59:44.90 |
+00:10:09.0 |
HIP 53812 |
18.03 |
| 2026-06-03 00:00 |
10:59:50.83 |
+00:10:02.9 |
HIP 53812 |
17.08 |
| 2026-06-03 12:00 |
10:59:56.93 |
+00:09:55.8 |
HIP 53812 |
16.19 |
| 2026-06-04 00:00 |
11:00:03.18 |
+00:09:47.6 |
HIP 53812 |
15.40 |
| 2026-06-04 12:00 |
11:00:09.60 |
+00:09:38.2 |
HIP 53812 |
14.73 |
| 2026-06-05 00:00 |
11:00:16.17 |
+00:09:27.8 |
HIP 53857 |
13.62 |
| 2026-06-05 12:00 |
11:00:22.91 |
+00:09:16.3 |
HIP 53857 |
12.07 |
| 2026-06-06 00:00 |
11:00:29.81 |
+00:09:03.8 |
HIP 53857 |
10.53 |
| 2026-06-06 12:00 |
11:00:36.86 |
+00:08:50.1 |
HIP 53857 |
9.02 |
| 2026-06-07 00:00 |
11:00:44.08 |
+00:08:35.4 |
HIP 53857 |
7.58 |
| 2026-06-07 12:00 |
11:00:51.45 |
+00:08:19.6 |
HIP 53857 |
6.30 |
| 2026-06-08 00:00 |
11:00:58.98 |
+00:08:02.7 |
HIP 53857 |
5.36 |
| 2026-06-08 12:00 |
11:01:06.66 |
+00:07:44.8 |
HIP 53857 |
4.98 |
| 2026-06-09 00:00 |
11:01:14.50 |
+00:07:25.8 |
HIP 53857 |
5.34 |
| 2026-06-09 12:00 |
11:01:22.50 |
+00:07:05.7 |
HIP 53857 |
6.35 |
| 2026-06-10 00:00 |
11:01:30.65 |
+00:06:44.5 |
HIP 53857 |
7.79 |
| 2026-06-10 12:00 |
11:01:38.95 |
+00:06:22.3 |
HIP 53857 |
9.49 |
| 2026-06-11 00:00 |
11:01:47.41 |
+00:05:59.0 |
HIP 53857 |
11.37 |
| 2026-06-11 12:00 |
11:01:56.02 |
+00:05:34.7 |
HIP 53857 |
13.36 |
| 2026-06-12 00:00 |
11:02:04.77 |
+00:05:09.3 |
HIP 53978 |
12.90 |
| 2026-06-12 12:00 |
11:02:13.69 |
+00:04:42.8 |
HIP 53978 |
11.42 |
| 2026-06-13 00:00 |
11:02:22.75 |
+00:04:15.3 |
HIP 53978 |
10.21 |
| 2026-06-13 12:00 |
11:02:31.95 |
+00:03:46.8 |
HIP 53978 |
9.40 |
| 2026-06-14 00:00 |
11:02:41.31 |
+00:03:17.2 |
HIP 53978 |
9.13 |
| 2026-06-14 12:00 |
11:02:50.82 |
+00:02:46.5 |
HIP 53978 |
9.48 |
| 2026-06-15 00:00 |
11:03:00.47 |
+00:02:14.8 |
HIP 54049 |
9.33 |
| 2026-06-15 12:00 |
11:03:10.27 |
+00:01:42.1 |
HIP 54049 |
6.82 |
| 2026-06-16 00:00 |
11:03:20.22 |
+00:01:08.3 |
HIP 54049 |
4.27 |
| 2026-06-16 12:00 |
11:03:30.30 |
+00:00:33.5 |
HIP 54049 |
1.69 |
| 2026-06-17 00:00 |
11:03:40.54 |
-00:00:02.4 |
HIP 54049 |
0.98 |
| 2026-06-17 12:00 |
11:03:50.91 |
-00:00:39.2 |
HIP 54085 |
2.90 |
| 2026-06-18 00:00 |
11:04:01.43 |
-00:01:17.1 |
HIP 54085 |
0.57 |
| 2026-06-18 12:00 |
11:04:12.09 |
-00:01:56.0 |
HIP 54085 |
2.65 |
| 2026-06-19 00:00 |
11:04:22.88 |
-00:02:35.9 |
HIP 54085 |
5.40 |
| 2026-06-19 12:00 |
11:04:33.82 |
-00:03:16.9 |
HIP 54085 |
8.21 |
| 2026-06-20 00:00 |
11:04:44.89 |
-00:03:58.8 |
HIP 54085 |
11.06 |
| 2026-06-20 12:00 |
11:04:56.11 |
-00:04:41.7 |
HIP 54085 |
13.95 |
| 2026-06-21 00:00 |
11:05:07.45 |
-00:05:25.6 |
HIP 54085 |
16.88 |
| 2026-06-21 12:00 |
11:05:18.94 |
-00:06:10.6 |
HIP 54292 |
17.26 |
| 2026-06-22 00:00 |
11:05:30.55 |
-00:06:56.5 |
HIP 54292 |
14.35 |