메타데이터
| 항목 |
값 |
| Designation |
C/2000 CT54 (LINEAR) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2001-06-19T10:43:56.498880Z |
| Orbit solution date (soln_date, UTC) |
2021-04-15T23:30:04Z |
| Obs used |
216 |
| NEO |
- |
| M1 |
7.400 |
| K1 |
10.000 |
| PC |
0.030 |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2002-05-15.0000000 |
| e |
0.99835347 |
| q (au) |
3.155967 |
| a (au) |
1916.742283 |
| i (deg) |
49.212506 |
| Ω (om, deg) |
18.956792 |
| ω (w, deg) |
272.644443 |
| M (ma, deg) |
0.003871 |
밝기
산란 + 전체 선형
$$
M_a = (6.408 + 3.965\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
6.408 |
| n |
3.965 |
| gf |
1.000 |
| gb |
-0.824 |
| k |
0.998 |
| 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 |
03:44:56.13 |
+62:12:36.8 |
HIP 17293 |
20.05 |
| 2026-06-01 12:00 |
03:45:01.57 |
+62:12:49.6 |
HIP 17293 |
20.63 |
| 2026-06-02 00:00 |
03:45:07.01 |
+62:13:02.7 |
HIP 17293 |
21.20 |
| 2026-06-02 12:00 |
03:45:12.43 |
+62:13:16.0 |
HIP 17686 |
21.03 |
| 2026-06-03 00:00 |
03:45:17.85 |
+62:13:29.4 |
HIP 17686 |
20.44 |
| 2026-06-03 12:00 |
03:45:23.26 |
+62:13:43.1 |
HIP 17686 |
19.84 |
| 2026-06-04 00:00 |
03:45:28.66 |
+62:13:56.9 |
HIP 17686 |
19.26 |
| 2026-06-04 12:00 |
03:45:34.04 |
+62:14:10.9 |
HIP 17686 |
18.67 |
| 2026-06-05 00:00 |
03:45:39.42 |
+62:14:25.1 |
HIP 17686 |
18.09 |
| 2026-06-05 12:00 |
03:45:44.79 |
+62:14:39.5 |
HIP 17686 |
17.52 |
| 2026-06-06 00:00 |
03:45:50.15 |
+62:14:54.0 |
HIP 17686 |
16.95 |
| 2026-06-06 12:00 |
03:45:55.49 |
+62:15:08.7 |
HIP 17686 |
16.39 |
| 2026-06-07 00:00 |
03:46:00.82 |
+62:15:23.7 |
HIP 17686 |
15.83 |
| 2026-06-07 12:00 |
03:46:06.14 |
+62:15:38.8 |
HIP 17686 |
15.28 |
| 2026-06-08 00:00 |
03:46:11.45 |
+62:15:54.0 |
HIP 17686 |
14.74 |
| 2026-06-08 12:00 |
03:46:16.75 |
+62:16:09.5 |
HIP 17686 |
14.20 |
| 2026-06-09 00:00 |
03:46:22.03 |
+62:16:25.1 |
HIP 17686 |
13.68 |
| 2026-06-09 12:00 |
03:46:27.30 |
+62:16:40.9 |
HIP 17686 |
13.17 |
| 2026-06-10 00:00 |
03:46:32.56 |
+62:16:56.9 |
HIP 17686 |
12.67 |
| 2026-06-10 12:00 |
03:46:37.80 |
+62:17:13.1 |
HIP 17686 |
12.18 |
| 2026-06-11 00:00 |
03:46:43.03 |
+62:17:29.4 |
HIP 17686 |
11.71 |
| 2026-06-11 12:00 |
03:46:48.25 |
+62:17:45.9 |
HIP 17686 |
11.25 |
| 2026-06-12 00:00 |
03:46:53.45 |
+62:18:02.6 |
HIP 17686 |
10.82 |
| 2026-06-12 12:00 |
03:46:58.63 |
+62:18:19.4 |
HIP 17686 |
10.41 |
| 2026-06-13 00:00 |
03:47:03.80 |
+62:18:36.5 |
HIP 17686 |
10.02 |
| 2026-06-13 12:00 |
03:47:08.95 |
+62:18:53.7 |
HIP 17686 |
9.66 |
| 2026-06-14 00:00 |
03:47:14.09 |
+62:19:11.0 |
HIP 17686 |
9.33 |
| 2026-06-14 12:00 |
03:47:19.21 |
+62:19:28.6 |
HIP 17686 |
9.03 |
| 2026-06-15 00:00 |
03:47:24.31 |
+62:19:46.3 |
HIP 17686 |
8.77 |
| 2026-06-15 12:00 |
03:47:29.40 |
+62:20:04.1 |
HIP 17686 |
8.55 |
| 2026-06-16 00:00 |
03:47:34.47 |
+62:20:22.1 |
HIP 17686 |
8.37 |
| 2026-06-16 12:00 |
03:47:39.52 |
+62:20:40.3 |
HIP 17686 |
8.24 |
| 2026-06-17 00:00 |
03:47:44.55 |
+62:20:58.7 |
HIP 17686 |
8.15 |
| 2026-06-17 12:00 |
03:47:49.56 |
+62:21:17.2 |
HIP 17686 |
8.12 |
| 2026-06-18 00:00 |
03:47:54.55 |
+62:21:35.9 |
HIP 17686 |
8.13 |
| 2026-06-18 12:00 |
03:47:59.53 |
+62:21:54.7 |
HIP 17686 |
8.20 |
| 2026-06-19 00:00 |
03:48:04.49 |
+62:22:13.7 |
HIP 17686 |
8.31 |
| 2026-06-19 12:00 |
03:48:09.42 |
+62:22:32.9 |
HIP 17686 |
8.47 |
| 2026-06-20 00:00 |
03:48:14.34 |
+62:22:52.2 |
HIP 17686 |
8.67 |
| 2026-06-20 12:00 |
03:48:19.23 |
+62:23:11.6 |
HIP 17686 |
8.91 |
| 2026-06-21 00:00 |
03:48:24.10 |
+62:23:31.2 |
HIP 17686 |
9.19 |
| 2026-06-21 12:00 |
03:48:28.96 |
+62:23:51.0 |
HIP 17686 |
9.50 |
| 2026-06-22 00:00 |
03:48:33.79 |
+62:24:10.9 |
HIP 17686 |
9.84 |