메타데이터
| 항목 |
값 |
| Designation |
C/2006 V1 (Catalina) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2007-11-26T12:34:51.493440Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:31:01Z |
| Obs used |
684 |
| NEO |
- |
| M1 |
9.300 |
| K1 |
9.500 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2007-04-27.0000000 |
| e |
0.98961648 |
| q (au) |
2.674903 |
| a (au) |
257.610414 |
| i (deg) |
31.119474 |
| Ω (om, deg) |
335.724230 |
| ω (w, deg) |
253.403550 |
| M (ma, deg) |
359.949101 |
밝기
산란 + 전체 선형
$$
M_a = (9.399 + 2.907\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
9.399 |
| n |
2.907 |
| gf |
1.000 |
| gb |
-0.949 |
| 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) |
| 2026-07-29 00:00 |
00:23:46.68 |
+25:43:56.4 |
HIP 1695 |
33.71 |
| 2026-07-29 12:00 |
00:23:45.17 |
+25:44:06.6 |
HIP 1695 |
33.39 |
| 2026-07-30 00:00 |
00:23:43.63 |
+25:44:16.5 |
HIP 1695 |
33.06 |
| 2026-07-30 12:00 |
00:23:42.08 |
+25:44:26.2 |
HIP 1695 |
32.73 |
| 2026-07-31 00:00 |
00:23:40.49 |
+25:44:35.7 |
HIP 1695 |
32.39 |
| 2026-07-31 12:00 |
00:23:38.89 |
+25:44:44.9 |
HIP 1695 |
32.05 |
| 2026-08-01 00:00 |
00:23:37.25 |
+25:44:54.0 |
HIP 1695 |
31.70 |
| 2026-08-01 12:00 |
00:23:35.60 |
+25:45:02.9 |
HIP 1695 |
31.35 |
| 2026-08-02 00:00 |
00:23:33.92 |
+25:45:11.5 |
HIP 1695 |
30.99 |
| 2026-08-02 12:00 |
00:23:32.21 |
+25:45:19.9 |
HIP 1695 |
30.63 |
| 2026-08-03 00:00 |
00:23:30.48 |
+25:45:28.2 |
HIP 1695 |
30.27 |
| 2026-08-03 12:00 |
00:23:28.73 |
+25:45:36.2 |
HIP 1695 |
29.89 |
| 2026-08-04 00:00 |
00:23:26.95 |
+25:45:44.0 |
HIP 1695 |
29.52 |
| 2026-08-04 12:00 |
00:23:25.15 |
+25:45:51.5 |
HIP 1695 |
29.14 |
| 2026-08-05 00:00 |
00:23:23.33 |
+25:45:58.9 |
HIP 1695 |
28.76 |
| 2026-08-05 12:00 |
00:23:21.48 |
+25:46:06.0 |
HIP 1695 |
28.37 |
| 2026-08-06 00:00 |
00:23:19.61 |
+25:46:12.9 |
HIP 1695 |
27.97 |
| 2026-08-06 12:00 |
00:23:17.71 |
+25:46:19.6 |
HIP 1695 |
27.58 |
| 2026-08-07 00:00 |
00:23:15.80 |
+25:46:26.1 |
HIP 1695 |
27.17 |
| 2026-08-07 12:00 |
00:23:13.85 |
+25:46:32.4 |
HIP 1695 |
26.77 |
| 2026-08-08 00:00 |
00:23:11.89 |
+25:46:38.4 |
HIP 1695 |
26.36 |
| 2026-08-08 12:00 |
00:23:09.90 |
+25:46:44.2 |
HIP 1695 |
25.94 |
| 2026-08-09 00:00 |
00:23:07.89 |
+25:46:49.8 |
HIP 1695 |
25.52 |
| 2026-08-09 12:00 |
00:23:05.86 |
+25:46:55.2 |
HIP 1695 |
25.10 |
| 2026-08-10 00:00 |
00:23:03.81 |
+25:47:00.4 |
HIP 1695 |
24.67 |
| 2026-08-10 12:00 |
00:23:01.73 |
+25:47:05.3 |
HIP 1695 |
24.23 |
| 2026-08-11 00:00 |
00:22:59.63 |
+25:47:10.0 |
HIP 1695 |
23.80 |
| 2026-08-11 12:00 |
00:22:57.51 |
+25:47:14.5 |
HIP 1695 |
23.36 |
| 2026-08-12 00:00 |
00:22:55.37 |
+25:47:18.7 |
HIP 1695 |
22.91 |
| 2026-08-12 12:00 |
00:22:53.20 |
+25:47:22.7 |
HIP 1695 |
22.46 |
| 2026-08-13 00:00 |
00:22:51.02 |
+25:47:26.5 |
HIP 1695 |
22.01 |
| 2026-08-13 12:00 |
00:22:48.81 |
+25:47:30.1 |
HIP 1695 |
21.55 |
| 2026-08-14 00:00 |
00:22:46.58 |
+25:47:33.4 |
HIP 1695 |
21.09 |
| 2026-08-14 12:00 |
00:22:44.33 |
+25:47:36.6 |
HIP 1695 |
20.63 |
| 2026-08-15 00:00 |
00:22:42.06 |
+25:47:39.5 |
HIP 1695 |
20.16 |
| 2026-08-15 12:00 |
00:22:39.77 |
+25:47:42.1 |
HIP 1695 |
19.69 |
| 2026-08-16 00:00 |
00:22:37.46 |
+25:47:44.6 |
HIP 1695 |
19.22 |
| 2026-08-16 12:00 |
00:22:35.13 |
+25:47:46.8 |
HIP 1695 |
18.74 |
| 2026-08-17 00:00 |
00:22:32.78 |
+25:47:48.7 |
HIP 1695 |
18.26 |
| 2026-08-17 12:00 |
00:22:30.41 |
+25:47:50.5 |
HIP 1695 |
17.78 |
| 2026-08-18 00:00 |
00:22:28.02 |
+25:47:52.0 |
HIP 1695 |
17.29 |
| 2026-08-18 12:00 |
00:22:25.61 |
+25:47:53.3 |
HIP 1695 |
16.80 |
| 2026-08-19 00:00 |
00:22:23.18 |
+25:47:54.4 |
HIP 1695 |
16.31 |