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) |
| 2026-05-12 00:00 |
03:41:14.93 |
+62:06:43.1 |
HIP 17293 |
12.12 |
| 2026-05-12 12:00 |
03:41:20.46 |
+62:06:47.9 |
HIP 17293 |
11.73 |
| 2026-05-13 00:00 |
03:41:25.99 |
+62:06:52.9 |
HIP 17293 |
11.37 |
| 2026-05-13 12:00 |
03:41:31.52 |
+62:06:58.2 |
HIP 17293 |
11.02 |
| 2026-05-14 00:00 |
03:41:37.06 |
+62:07:03.6 |
HIP 17293 |
10.70 |
| 2026-05-14 12:00 |
03:41:42.60 |
+62:07:09.3 |
HIP 17293 |
10.41 |
| 2026-05-15 00:00 |
03:41:48.14 |
+62:07:15.2 |
HIP 17293 |
10.15 |
| 2026-05-15 12:00 |
03:41:53.69 |
+62:07:21.3 |
HIP 17293 |
9.92 |
| 2026-05-16 00:00 |
03:41:59.24 |
+62:07:27.6 |
HIP 17293 |
9.72 |
| 2026-05-16 12:00 |
03:42:04.79 |
+62:07:34.1 |
HIP 17293 |
9.56 |
| 2026-05-17 00:00 |
03:42:10.35 |
+62:07:40.8 |
HIP 17293 |
9.45 |
| 2026-05-17 12:00 |
03:42:15.91 |
+62:07:47.8 |
HIP 17293 |
9.37 |
| 2026-05-18 00:00 |
03:42:21.46 |
+62:07:54.9 |
HIP 17293 |
9.34 |
| 2026-05-18 12:00 |
03:42:27.02 |
+62:08:02.3 |
HIP 17293 |
9.35 |
| 2026-05-19 00:00 |
03:42:32.58 |
+62:08:09.8 |
HIP 17293 |
9.40 |
| 2026-05-19 12:00 |
03:42:38.14 |
+62:08:17.6 |
HIP 17293 |
9.49 |
| 2026-05-20 00:00 |
03:42:43.70 |
+62:08:25.5 |
HIP 17293 |
9.63 |
| 2026-05-20 12:00 |
03:42:49.25 |
+62:08:33.7 |
HIP 17293 |
9.80 |
| 2026-05-21 00:00 |
03:42:54.81 |
+62:08:42.1 |
HIP 17293 |
10.02 |
| 2026-05-21 12:00 |
03:43:00.36 |
+62:08:50.7 |
HIP 17293 |
10.27 |
| 2026-05-22 00:00 |
03:43:05.92 |
+62:08:59.5 |
HIP 17293 |
10.55 |
| 2026-05-22 12:00 |
03:43:11.47 |
+62:09:08.5 |
HIP 17293 |
10.86 |
| 2026-05-23 00:00 |
03:43:17.02 |
+62:09:17.6 |
HIP 17293 |
11.20 |
| 2026-05-23 12:00 |
03:43:22.56 |
+62:09:27.0 |
HIP 17293 |
11.57 |
| 2026-05-24 00:00 |
03:43:28.11 |
+62:09:36.6 |
HIP 17293 |
11.96 |
| 2026-05-24 12:00 |
03:43:33.65 |
+62:09:46.4 |
HIP 17293 |
12.37 |
| 2026-05-25 00:00 |
03:43:39.18 |
+62:09:56.4 |
HIP 17293 |
12.80 |
| 2026-05-25 12:00 |
03:43:44.71 |
+62:10:06.6 |
HIP 17293 |
13.24 |
| 2026-05-26 00:00 |
03:43:50.24 |
+62:10:17.0 |
HIP 17293 |
13.71 |
| 2026-05-26 12:00 |
03:43:55.76 |
+62:10:27.6 |
HIP 17293 |
14.18 |
| 2026-05-27 00:00 |
03:44:01.28 |
+62:10:38.3 |
HIP 17293 |
14.67 |
| 2026-05-27 12:00 |
03:44:06.80 |
+62:10:49.3 |
HIP 17293 |
15.18 |
| 2026-05-28 00:00 |
03:44:12.30 |
+62:11:00.5 |
HIP 17293 |
15.69 |
| 2026-05-28 12:00 |
03:44:17.80 |
+62:11:11.8 |
HIP 17293 |
16.21 |
| 2026-05-29 00:00 |
03:44:23.30 |
+62:11:23.4 |
HIP 17293 |
16.74 |
| 2026-05-29 12:00 |
03:44:28.79 |
+62:11:35.1 |
HIP 17293 |
17.27 |
| 2026-05-30 00:00 |
03:44:34.27 |
+62:11:47.1 |
HIP 17293 |
17.82 |
| 2026-05-30 12:00 |
03:44:39.75 |
+62:11:59.2 |
HIP 17293 |
18.37 |
| 2026-05-31 00:00 |
03:44:45.21 |
+62:12:11.5 |
HIP 17293 |
18.93 |
| 2026-05-31 12:00 |
03:44:50.67 |
+62:12:24.1 |
HIP 17293 |
19.49 |
| 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 |