메타데이터
| 항목 |
값 |
| Designation |
C/1941 K1 (van Gent) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
1941-09-03T04:25:14.880000Z |
| Orbit solution date (soln_date, UTC) |
- |
| Obs used |
318 |
| NEO |
- |
| M1 |
- |
| K1 |
- |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
1941-09-03.0000000 |
| e |
1.00024300 |
| q (au) |
0.874789 |
| a (au) |
-3599.954732 |
| i (deg) |
94.516500 |
| Ω (om, deg) |
257.559800 |
| ω (w, deg) |
85.321900 |
| M (ma, deg) |
-0.000001 |
밝기
산란 + 전체 선형
$$
M_a = (6.150 + 3.887\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
6.150 |
| n |
3.887 |
| gf |
1.000 |
| gb |
-0.946 |
| 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) |
| 2026-09-20 00:00 |
05:14:14.66 |
-52:03:28.0 |
HIP 24384 |
3.66 |
| 2026-09-20 12:00 |
05:14:14.40 |
-52:03:44.0 |
HIP 24384 |
3.75 |
| 2026-09-21 00:00 |
05:14:14.13 |
-52:04:00.0 |
HIP 24384 |
3.86 |
| 2026-09-21 12:00 |
05:14:13.84 |
-52:04:15.8 |
HIP 24384 |
3.97 |
| 2026-09-22 00:00 |
05:14:13.53 |
-52:04:31.7 |
HIP 24384 |
4.11 |
| 2026-09-22 12:00 |
05:14:13.21 |
-52:04:47.6 |
HIP 24384 |
4.25 |
| 2026-09-23 00:00 |
05:14:12.88 |
-52:05:03.5 |
HIP 24384 |
4.40 |
| 2026-09-23 12:00 |
05:14:12.53 |
-52:05:19.3 |
HIP 24384 |
4.56 |
| 2026-09-24 00:00 |
05:14:12.16 |
-52:05:35.1 |
HIP 24384 |
4.73 |
| 2026-09-24 12:00 |
05:14:11.78 |
-52:05:50.9 |
HIP 24384 |
4.91 |
| 2026-09-25 00:00 |
05:14:11.39 |
-52:06:06.7 |
HIP 24384 |
5.09 |
| 2026-09-25 12:00 |
05:14:10.98 |
-52:06:22.4 |
HIP 24384 |
5.28 |
| 2026-09-26 00:00 |
05:14:10.55 |
-52:06:38.1 |
HIP 24384 |
5.47 |
| 2026-09-26 12:00 |
05:14:10.11 |
-52:06:53.8 |
HIP 24384 |
5.67 |
| 2026-09-27 00:00 |
05:14:09.66 |
-52:07:09.4 |
HIP 24384 |
5.88 |
| 2026-09-27 12:00 |
05:14:09.19 |
-52:07:25.1 |
HIP 24384 |
6.08 |
| 2026-09-28 00:00 |
05:14:08.70 |
-52:07:40.7 |
HIP 24384 |
6.29 |
| 2026-09-28 12:00 |
05:14:08.20 |
-52:07:56.2 |
HIP 24384 |
6.51 |
| 2026-09-29 00:00 |
05:14:07.69 |
-52:08:11.8 |
HIP 24384 |
6.72 |
| 2026-09-29 12:00 |
05:14:07.16 |
-52:08:27.3 |
HIP 24384 |
6.94 |
| 2026-09-30 00:00 |
05:14:06.62 |
-52:08:42.7 |
HIP 24384 |
7.17 |
| 2026-09-30 12:00 |
05:14:06.06 |
-52:08:58.1 |
HIP 24384 |
7.39 |
| 2026-10-01 00:00 |
05:14:05.48 |
-52:09:13.5 |
HIP 24384 |
7.61 |
| 2026-10-01 12:00 |
05:14:04.90 |
-52:09:28.9 |
HIP 24384 |
7.84 |
| 2026-10-02 00:00 |
05:14:04.29 |
-52:09:44.2 |
HIP 24384 |
8.07 |
| 2026-10-02 12:00 |
05:14:03.68 |
-52:09:59.4 |
HIP 24384 |
8.30 |
| 2026-10-03 00:00 |
05:14:03.05 |
-52:10:14.7 |
HIP 24384 |
8.53 |
| 2026-10-03 12:00 |
05:14:02.40 |
-52:10:29.8 |
HIP 24384 |
8.77 |
| 2026-10-04 00:00 |
05:14:01.74 |
-52:10:45.0 |
HIP 24384 |
9.00 |
| 2026-10-04 12:00 |
05:14:01.06 |
-52:11:00.1 |
HIP 24384 |
9.23 |
| 2026-10-05 00:00 |
05:14:00.37 |
-52:11:15.1 |
HIP 24384 |
9.47 |
| 2026-10-05 12:00 |
05:13:59.67 |
-52:11:30.1 |
HIP 24384 |
9.71 |
| 2026-10-06 00:00 |
05:13:58.95 |
-52:11:45.1 |
HIP 24384 |
9.95 |
| 2026-10-06 12:00 |
05:13:58.22 |
-52:12:00.0 |
HIP 24384 |
10.18 |
| 2026-10-07 00:00 |
05:13:57.47 |
-52:12:14.8 |
HIP 24384 |
10.42 |
| 2026-10-07 12:00 |
05:13:56.71 |
-52:12:29.6 |
HIP 24384 |
10.66 |
| 2026-10-08 00:00 |
05:13:55.93 |
-52:12:44.3 |
HIP 24384 |
10.90 |
| 2026-10-08 12:00 |
05:13:55.14 |
-52:12:59.0 |
HIP 24384 |
11.14 |
| 2026-10-09 00:00 |
05:13:54.34 |
-52:13:13.6 |
HIP 24384 |
11.38 |
| 2026-10-09 12:00 |
05:13:53.52 |
-52:13:28.2 |
HIP 24384 |
11.63 |
| 2026-10-10 00:00 |
05:13:52.69 |
-52:13:42.7 |
HIP 24384 |
11.87 |
| 2026-10-10 12:00 |
05:13:51.84 |
-52:13:57.1 |
HIP 24384 |
12.11 |
| 2026-10-11 00:00 |
05:13:50.98 |
-52:14:11.5 |
HIP 24384 |
12.35 |