메타데이터
| 항목 |
값 |
| Designation |
C/1943 W1 (van Gent-Peltier-Daimaca) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1944-01-12T06:19:17.172480Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:29:07Z |
| Obs used |
12 |
| NEO |
- |
| M1 |
- |
| K1 |
- |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1943-12-03.0000000 |
| e |
0.99951300 |
| q (au) |
0.874252 |
| a (au) |
1795.167782 |
| i (deg) |
136.183297 |
| Ω (om, deg) |
58.630122 |
| ω (w, deg) |
33.091602 |
| M (ma, deg) |
359.999478 |
밝기
산란 + 전체 선형
$$
M_a = (9.549 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
9.549 |
| n |
6.000 |
| gf |
0.800 |
| gb |
-0.996 |
| 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
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-06-01 00:00 |
14:13:19.80 |
-30:08:19.2 |
HIP 69560 |
13.41 |
| 2026-06-01 12:00 |
14:13:18.77 |
-30:08:12.0 |
HIP 69560 |
13.66 |
| 2026-06-02 00:00 |
14:13:17.74 |
-30:08:04.9 |
HIP 69560 |
13.91 |
| 2026-06-02 12:00 |
14:13:16.71 |
-30:07:57.7 |
HIP 69560 |
14.15 |
| 2026-06-03 00:00 |
14:13:15.70 |
-30:07:50.5 |
HIP 69560 |
14.39 |
| 2026-06-03 12:00 |
14:13:14.68 |
-30:07:43.4 |
HIP 69560 |
14.63 |
| 2026-06-04 00:00 |
14:13:13.68 |
-30:07:36.2 |
HIP 69560 |
14.87 |
| 2026-06-04 12:00 |
14:13:12.68 |
-30:07:29.0 |
HIP 69560 |
15.11 |
| 2026-06-05 00:00 |
14:13:11.69 |
-30:07:21.8 |
HIP 69560 |
15.35 |
| 2026-06-05 12:00 |
14:13:10.71 |
-30:07:14.6 |
HIP 69560 |
15.59 |
| 2026-06-06 00:00 |
14:13:09.73 |
-30:07:07.4 |
HIP 69560 |
15.83 |
| 2026-06-06 12:00 |
14:13:08.76 |
-30:07:00.2 |
HIP 69560 |
16.06 |
| 2026-06-07 00:00 |
14:13:07.79 |
-30:06:53.0 |
HIP 69560 |
16.30 |
| 2026-06-07 12:00 |
14:13:06.83 |
-30:06:45.8 |
HIP 69560 |
16.53 |
| 2026-06-08 00:00 |
14:13:05.88 |
-30:06:38.6 |
HIP 69560 |
16.76 |
| 2026-06-08 12:00 |
14:13:04.94 |
-30:06:31.4 |
HIP 69560 |
16.99 |
| 2026-06-09 00:00 |
14:13:04.00 |
-30:06:24.2 |
HIP 69560 |
17.22 |
| 2026-06-09 12:00 |
14:13:03.07 |
-30:06:17.0 |
HIP 69560 |
17.45 |
| 2026-06-10 00:00 |
14:13:02.15 |
-30:06:09.8 |
HIP 69560 |
17.67 |
| 2026-06-10 12:00 |
14:13:01.23 |
-30:06:02.6 |
HIP 69560 |
17.90 |
| 2026-06-11 00:00 |
14:13:00.33 |
-30:05:55.4 |
HIP 69560 |
18.12 |
| 2026-06-11 12:00 |
14:12:59.42 |
-30:05:48.2 |
HIP 69560 |
18.35 |
| 2026-06-12 00:00 |
14:12:58.53 |
-30:05:41.0 |
HIP 69560 |
18.57 |
| 2026-06-12 12:00 |
14:12:57.65 |
-30:05:33.8 |
HIP 69560 |
18.79 |
| 2026-06-13 00:00 |
14:12:56.77 |
-30:05:26.6 |
HIP 69360 |
18.63 |
| 2026-06-13 12:00 |
14:12:55.90 |
-30:05:19.4 |
HIP 69360 |
18.41 |
| 2026-06-14 00:00 |
14:12:55.04 |
-30:05:12.2 |
HIP 69360 |
18.19 |
| 2026-06-14 12:00 |
14:12:54.18 |
-30:05:05.1 |
HIP 69360 |
17.97 |
| 2026-06-15 00:00 |
14:12:53.33 |
-30:04:57.9 |
HIP 69360 |
17.76 |
| 2026-06-15 12:00 |
14:12:52.50 |
-30:04:50.8 |
HIP 69360 |
17.54 |
| 2026-06-16 00:00 |
14:12:51.66 |
-30:04:43.6 |
HIP 69360 |
17.32 |
| 2026-06-16 12:00 |
14:12:50.84 |
-30:04:36.5 |
HIP 69360 |
17.11 |
| 2026-06-17 00:00 |
14:12:50.03 |
-30:04:29.3 |
HIP 69360 |
16.90 |
| 2026-06-17 12:00 |
14:12:49.22 |
-30:04:22.2 |
HIP 69360 |
16.69 |
| 2026-06-18 00:00 |
14:12:48.42 |
-30:04:15.1 |
HIP 69360 |
16.48 |
| 2026-06-18 12:00 |
14:12:47.63 |
-30:04:08.0 |
HIP 69360 |
16.27 |
| 2026-06-19 00:00 |
14:12:46.85 |
-30:04:00.9 |
HIP 69360 |
16.07 |
| 2026-06-19 12:00 |
14:12:46.08 |
-30:03:53.8 |
HIP 69360 |
15.86 |
| 2026-06-20 00:00 |
14:12:45.31 |
-30:03:46.7 |
HIP 69360 |
15.66 |
| 2026-06-20 12:00 |
14:12:44.56 |
-30:03:39.7 |
HIP 69360 |
15.46 |
| 2026-06-21 00:00 |
14:12:43.81 |
-30:03:32.6 |
HIP 69360 |
15.26 |
| 2026-06-21 12:00 |
14:12:43.07 |
-30:03:25.6 |
HIP 69360 |
15.06 |
| 2026-06-22 00:00 |
14:12:42.34 |
-30:03:18.6 |
HIP 69360 |
14.86 |