C/2001 K3 (Skiff)
메타데이터
| 항목 |
값 |
| Designation |
C/2001 K3 (Skiff) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2001-04-22T21:02:11.837760Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:09Z |
| Obs used |
331 |
| NEO |
- |
| M1 |
12.100 |
| K1 |
4.500 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2001-07-19.0000000 |
| e |
0.99893567 |
| q (au) |
3.060125 |
| a (au) |
2875.163026 |
| i (deg) |
52.026577 |
| Ω (om, deg) |
289.850117 |
| ω (w, deg) |
3.452328 |
| M (ma, deg) |
0.000557 |
밝기
산란 + 전체 선형
$$
M_a = (14.428 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
14.428 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.752 |
| 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) |
| 2026-02-03 00:00 |
06:08:57.21 |
+44:28:13.7 |
HIP 29375 |
34.03 |
| 2026-02-03 12:00 |
06:08:54.51 |
+44:28:02.7 |
HIP 29375 |
34.31 |
| 2026-02-04 00:00 |
06:08:51.82 |
+44:27:51.6 |
HIP 29375 |
34.60 |
| 2026-02-04 12:00 |
06:08:49.17 |
+44:27:40.4 |
HIP 29375 |
34.89 |
| 2026-02-05 00:00 |
06:08:46.53 |
+44:27:29.1 |
HIP 29375 |
35.17 |
| 2026-02-05 12:00 |
06:08:43.92 |
+44:27:17.7 |
HIP 29375 |
35.46 |
| 2026-02-06 00:00 |
06:08:41.33 |
+44:27:06.2 |
HIP 29375 |
35.75 |
| 2026-02-06 12:00 |
06:08:38.77 |
+44:26:54.7 |
HIP 29375 |
36.04 |
| 2026-02-07 00:00 |
06:08:36.23 |
+44:26:43.0 |
HIP 29375 |
36.33 |
| 2026-02-07 12:00 |
06:08:33.72 |
+44:26:31.2 |
HIP 29375 |
36.62 |
| 2026-02-08 00:00 |
06:08:31.23 |
+44:26:19.4 |
HIP 29375 |
36.90 |
| 2026-02-08 12:00 |
06:08:28.77 |
+44:26:07.4 |
HIP 29375 |
37.19 |
| 2026-02-09 00:00 |
06:08:26.33 |
+44:25:55.4 |
HIP 29375 |
37.48 |
| 2026-02-09 12:00 |
06:08:23.92 |
+44:25:43.3 |
HIP 29375 |
37.76 |
| 2026-02-10 00:00 |
06:08:21.54 |
+44:25:31.0 |
HIP 29375 |
38.05 |
| 2026-02-10 12:00 |
06:08:19.18 |
+44:25:18.7 |
HIP 29375 |
38.33 |
| 2026-02-11 00:00 |
06:08:16.84 |
+44:25:06.4 |
HIP 29059 |
38.26 |
| 2026-02-11 12:00 |
06:08:14.54 |
+44:24:53.9 |
HIP 29059 |
38.00 |
| 2026-02-12 00:00 |
06:08:12.25 |
+44:24:41.4 |
HIP 29059 |
37.74 |
| 2026-02-12 12:00 |
06:08:10.00 |
+44:24:28.7 |
HIP 29059 |
37.49 |
| 2026-02-13 00:00 |
06:08:07.77 |
+44:24:16.0 |
HIP 29059 |
37.24 |
| 2026-02-13 12:00 |
06:08:05.57 |
+44:24:03.2 |
HIP 29059 |
36.99 |
| 2026-02-14 00:00 |
06:08:03.40 |
+44:23:50.3 |
HIP 29059 |
36.75 |
| 2026-02-14 12:00 |
06:08:01.26 |
+44:23:37.4 |
HIP 29059 |
36.50 |
| 2026-02-15 00:00 |
06:07:59.14 |
+44:23:24.4 |
HIP 29059 |
36.26 |
| 2026-02-15 12:00 |
06:07:57.05 |
+44:23:11.3 |
HIP 29059 |
36.03 |
| 2026-02-16 00:00 |
06:07:54.99 |
+44:22:58.1 |
HIP 29059 |
35.79 |
| 2026-02-16 12:00 |
06:07:52.95 |
+44:22:44.8 |
HIP 29059 |
35.56 |
| 2026-02-17 00:00 |
06:07:50.95 |
+44:22:31.5 |
HIP 29059 |
35.33 |
| 2026-02-17 12:00 |
06:07:48.97 |
+44:22:18.1 |
HIP 29059 |
35.11 |
| 2026-02-18 00:00 |
06:07:47.02 |
+44:22:04.7 |
HIP 29059 |
34.88 |
| 2026-02-18 12:00 |
06:07:45.10 |
+44:21:51.1 |
HIP 29059 |
34.66 |
| 2026-02-19 00:00 |
06:07:43.21 |
+44:21:37.5 |
HIP 29059 |
34.44 |
| 2026-02-19 12:00 |
06:07:41.35 |
+44:21:23.9 |
HIP 29059 |
34.23 |
| 2026-02-20 00:00 |
06:07:39.52 |
+44:21:10.1 |
HIP 29059 |
34.01 |
| 2026-02-20 12:00 |
06:07:37.71 |
+44:20:56.3 |
HIP 29059 |
33.80 |
| 2026-02-21 00:00 |
06:07:35.94 |
+44:20:42.5 |
HIP 29059 |
33.59 |
| 2026-02-21 12:00 |
06:07:34.20 |
+44:20:28.5 |
HIP 28767 |
33.33 |
| 2026-02-22 00:00 |
06:07:32.48 |
+44:20:14.5 |
HIP 28767 |
33.00 |
| 2026-02-22 12:00 |
06:07:30.80 |
+44:20:00.5 |
HIP 28767 |
32.67 |
| 2026-02-23 00:00 |
06:07:29.14 |
+44:19:46.4 |
HIP 28767 |
32.34 |
| 2026-02-23 12:00 |
06:07:27.52 |
+44:19:32.2 |
HIP 28767 |
32.03 |
| 2026-02-24 00:00 |
06:07:25.92 |
+44:19:18.0 |
HIP 28767 |
31.72 |