40P/Vaisala 1
메타데이터
| 항목 | 값 |
|---|---|
| Designation | 40P/Vaisala 1 |
| Type | P |
| Perihelion (tp_cal, UTC) | 2014-11-19T10:11:16.471680Z |
| Orbit solution date (soln_date, UTC) | 2026-05-28T12:51:23Z |
| Obs used | 1225 |
| NEO | - |
| M1 | 11.500 |
| K1 | 13.750 |
| PC | 0.030 |
Osculating 궤도요소
| 항목 | 값 |
|---|---|
| Epoch (epoch_cal, TDB) | 2011-02-27.0000000 |
| e | 0.63216892 |
| q (au) | 1.802666 |
| a (au) | 4.900799 |
| i (deg) | 11.511536 |
| Ω (om, deg) | 134.621772 |
| ω (w, deg) | 47.247070 |
| M (ma, deg) | 236.320624 |
밝기
산란 + 전체 선형
$$ M_a = (9.768 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta $$ $$ \theta = 180^\circ - \alpha $$ $$ \Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b) $$ $$ \Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1 $$
모델 상수
| 항목 | 값 |
|---|---|
| H0 | 9.768 |
| n | 6.000 |
| gf | 1.000 |
| gb | -0.998 |
| 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
잔차 (구간 선형)
$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$
| 시작일 (UTC) | 끝 (UTC) | a | b |
|---|---|---|---|
| 2024-11-29 | 2026-02-13 | +2.4054 | -1.335 |
| 2026-02-13 | 2026-04-06 | +23.4115 | -7.565 |
| 2026-04-06 | 2026-04-27 | -3.1773 | +1.787 |
log10 r = log10(태양거리/AU), Δ = 지구거리(AU)
찾아보기
천체력
| Date/Time (UTC) | RA (J2000) | Dec (J2000) | Nearest HIP | Dist from HIP (arcmin) |
|---|---|---|---|---|
| 2026-06-01 00:00 | 17:44:31.42 | -09:20:01.4 | HIP 86734 | 25.75 |
| 2026-06-01 12:00 | 17:44:06.76 | -09:21:03.8 | HIP 86734 | 23.16 |
| 2026-06-02 00:00 | 17:43:41.97 | -09:22:08.0 | HIP 86734 | 22.08 |
| 2026-06-02 12:00 | 17:43:17.08 | -09:23:13.8 | HIP 86661 | 22.64 |
| 2026-06-03 00:00 | 17:42:52.09 | -09:24:21.3 | HIP 86661 | 20.88 |
| 2026-06-03 12:00 | 17:42:27.00 | -09:25:30.5 | HIP 86606 | 20.55 |
| 2026-06-04 00:00 | 17:42:01.82 | -09:26:41.3 | HIP 86606 | 17.61 |
| 2026-06-04 12:00 | 17:41:36.56 | -09:27:53.7 | HIP 86606 | 16.65 |
| 2026-06-05 00:00 | 17:41:11.22 | -09:29:07.8 | HIP 86606 | 18.01 |
| 2026-06-05 12:00 | 17:40:45.82 | -09:30:23.5 | HIP 86606 | 21.26 |
| 2026-06-06 00:00 | 17:40:20.36 | -09:31:40.8 | HIP 86606 | 25.72 |
| 2026-06-06 12:00 | 17:39:54.85 | -09:32:59.7 | HIP 86606 | 30.87 |
| 2026-06-07 00:00 | 17:39:29.29 | -09:34:20.2 | HIP 86606 | 36.43 |
| 2026-06-07 12:00 | 17:39:03.70 | -09:35:42.3 | HIP 86300 | 37.25 |
| 2026-06-08 00:00 | 17:38:38.07 | -09:37:06.0 | HIP 86190 | 31.22 |
| 2026-06-08 12:00 | 17:38:12.43 | -09:38:31.3 | HIP 86190 | 24.91 |
| 2026-06-09 00:00 | 17:37:46.76 | -09:39:58.1 | HIP 86190 | 18.70 |
| 2026-06-09 12:00 | 17:37:21.09 | -09:41:26.4 | HIP 86190 | 12.74 |
| 2026-06-10 00:00 | 17:36:55.42 | -09:42:56.3 | HIP 86190 | 7.68 |
| 2026-06-10 12:00 | 17:36:29.76 | -09:44:27.7 | HIP 86157 | 3.70 |
| 2026-06-11 00:00 | 17:36:04.11 | -09:46:00.7 | HIP 86157 | 4.77 |
| 2026-06-11 12:00 | 17:35:38.49 | -09:47:35.1 | HIP 86157 | 10.78 |
| 2026-06-12 00:00 | 17:35:12.89 | -09:49:11.0 | HIP 86157 | 17.16 |
| 2026-06-12 12:00 | 17:34:47.33 | -09:50:48.4 | HIP 86157 | 23.59 |
| 2026-06-13 00:00 | 17:34:21.82 | -09:52:27.3 | HIP 86157 | 30.05 |
| 2026-06-13 12:00 | 17:33:56.36 | -09:54:07.6 | HIP 85784 | 32.70 |
| 2026-06-14 00:00 | 17:33:30.95 | -09:55:49.4 | HIP 85784 | 26.27 |
| 2026-06-14 12:00 | 17:33:05.62 | -09:57:32.6 | HIP 85784 | 19.90 |
| 2026-06-15 00:00 | 17:32:40.36 | -09:59:17.2 | HIP 85784 | 13.65 |
| 2026-06-15 12:00 | 17:32:15.19 | -10:01:03.2 | HIP 85784 | 7.76 |
| 2026-06-16 00:00 | 17:31:50.10 | -10:02:50.6 | HIP 85784 | 4.19 |
| 2026-06-16 12:00 | 17:31:25.11 | -10:04:39.3 | HIP 85784 | 7.59 |
| 2026-06-17 00:00 | 17:31:00.23 | -10:06:29.4 | HIP 85675 | 7.65 |
| 2026-06-17 12:00 | 17:30:35.45 | -10:08:20.8 | HIP 85675 | 2.99 |
| 2026-06-18 00:00 | 17:30:10.80 | -10:10:13.5 | HIP 85675 | 6.37 |
| 2026-06-18 12:00 | 17:29:46.27 | -10:12:07.5 | HIP 85675 | 12.35 |
| 2026-06-19 00:00 | 17:29:21.87 | -10:14:02.7 | HIP 85576 | 14.66 |
| 2026-06-19 12:00 | 17:28:57.62 | -10:15:59.3 | HIP 85576 | 17.20 |
| 2026-06-20 00:00 | 17:28:33.50 | -10:17:57.0 | HIP 85576 | 21.34 |
| 2026-06-20 12:00 | 17:28:09.54 | -10:19:56.0 | HIP 85576 | 26.32 |
| 2026-06-21 00:00 | 17:27:45.74 | -10:21:56.2 | HIP 85576 | 31.72 |
| 2026-06-21 12:00 | 17:27:22.10 | -10:23:57.5 | HIP 85576 | 37.35 |
| 2026-06-22 00:00 | 17:26:58.63 | -10:26:00.0 | HIP 85331 | 35.08 |