메타데이터
| 항목 |
값 |
| Designation |
C/2026 C1 (Tsuchinshan) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2028-11-06T23:50:31.859520Z |
| Orbit solution date (soln_date, UTC) |
2026-05-08T13:42:11Z |
| Obs used |
658 |
| NEO |
- |
| M1 |
6.400 |
| K1 |
7.750 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2026-02-11T19:49:29.596800Z |
| Discovery magnitude (MPC) |
19.30 R |
| Discovery observatory (MPC) |
D29 · Purple Mountain Observatory, XuYi Station |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2026-03-18.0000000 |
| e |
0.99990990 |
| q (au) |
1.152515 |
| a (au) |
12791.926007 |
| i (deg) |
99.599700 |
| Ω (om, deg) |
3.618287 |
| ω (w, deg) |
310.718099 |
| M (ma, deg) |
359.999343 |
밝기
산란 + 전체 선형
$$
M_a = (-1.469 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
-1.469 |
| n |
6.000 |
| gf |
0.838 |
| gb |
-0.973 |
| k |
1.000 |
| δ90 |
3.695 |
| 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
찾아보기
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-05-12 00:00 |
12:14:10.97 |
+07:50:52.2 |
HIP 59740 |
23.14 |
| 2026-05-12 12:00 |
12:14:00.70 |
+07:50:58.6 |
HIP 59740 |
24.76 |
| 2026-05-13 00:00 |
12:13:50.51 |
+07:51:04.2 |
HIP 59740 |
26.50 |
| 2026-05-13 12:00 |
12:13:40.41 |
+07:51:09.2 |
HIP 59740 |
28.33 |
| 2026-05-14 00:00 |
12:13:30.39 |
+07:51:13.4 |
HIP 59740 |
30.24 |
| 2026-05-14 12:00 |
12:13:20.46 |
+07:51:17.0 |
HIP 59740 |
32.20 |
| 2026-05-15 00:00 |
12:13:10.62 |
+07:51:19.8 |
HIP 59740 |
34.20 |
| 2026-05-15 12:00 |
12:13:00.87 |
+07:51:21.9 |
HIP 59740 |
36.23 |
| 2026-05-16 00:00 |
12:12:51.21 |
+07:51:23.3 |
HIP 59438 |
35.31 |
| 2026-05-16 12:00 |
12:12:41.64 |
+07:51:24.0 |
HIP 59438 |
34.05 |
| 2026-05-17 00:00 |
12:12:32.16 |
+07:51:23.9 |
HIP 59438 |
32.91 |
| 2026-05-17 12:00 |
12:12:22.77 |
+07:51:23.1 |
HIP 59438 |
31.90 |
| 2026-05-18 00:00 |
12:12:13.47 |
+07:51:21.7 |
HIP 59438 |
31.03 |
| 2026-05-18 12:00 |
12:12:04.27 |
+07:51:19.5 |
HIP 59438 |
30.30 |
| 2026-05-19 00:00 |
12:11:55.15 |
+07:51:16.5 |
HIP 59438 |
29.72 |
| 2026-05-19 12:00 |
12:11:46.14 |
+07:51:12.9 |
HIP 59438 |
29.30 |
| 2026-05-20 00:00 |
12:11:37.21 |
+07:51:08.5 |
HIP 59438 |
29.03 |
| 2026-05-20 12:00 |
12:11:28.38 |
+07:51:03.4 |
HIP 59438 |
28.92 |
| 2026-05-21 00:00 |
12:11:19.65 |
+07:50:57.6 |
HIP 59438 |
28.96 |
| 2026-05-21 12:00 |
12:11:11.01 |
+07:50:51.1 |
HIP 59289 |
28.91 |
| 2026-05-22 00:00 |
12:11:02.47 |
+07:50:43.9 |
HIP 59289 |
27.50 |
| 2026-05-22 12:00 |
12:10:54.03 |
+07:50:35.9 |
HIP 59289 |
26.21 |
| 2026-05-23 00:00 |
12:10:45.68 |
+07:50:27.3 |
HIP 59289 |
25.05 |
| 2026-05-23 12:00 |
12:10:37.43 |
+07:50:17.9 |
HIP 59289 |
24.05 |
| 2026-05-24 00:00 |
12:10:29.27 |
+07:50:07.8 |
HIP 59289 |
23.20 |
| 2026-05-24 12:00 |
12:10:21.22 |
+07:49:57.0 |
HIP 59289 |
22.52 |
| 2026-05-25 00:00 |
12:10:13.26 |
+07:49:45.5 |
HIP 59289 |
22.02 |
| 2026-05-25 12:00 |
12:10:05.41 |
+07:49:33.2 |
HIP 59289 |
21.71 |
| 2026-05-26 00:00 |
12:09:57.65 |
+07:49:20.3 |
HIP 59289 |
21.59 |
| 2026-05-26 12:00 |
12:09:49.99 |
+07:49:06.7 |
HIP 59289 |
21.65 |
| 2026-05-27 00:00 |
12:09:42.43 |
+07:48:52.3 |
HIP 59289 |
21.89 |
| 2026-05-27 12:00 |
12:09:34.97 |
+07:48:37.3 |
HIP 59289 |
22.30 |
| 2026-05-28 00:00 |
12:09:27.61 |
+07:48:21.5 |
HIP 59289 |
22.86 |
| 2026-05-28 12:00 |
12:09:20.35 |
+07:48:05.1 |
HIP 59289 |
23.55 |
| 2026-05-29 00:00 |
12:09:13.19 |
+07:47:47.9 |
HIP 59289 |
24.36 |
| 2026-05-29 12:00 |
12:09:06.13 |
+07:47:30.1 |
HIP 59289 |
25.28 |
| 2026-05-30 00:00 |
12:08:59.17 |
+07:47:11.5 |
HIP 59289 |
26.28 |
| 2026-05-30 12:00 |
12:08:52.32 |
+07:46:52.3 |
HIP 59289 |
27.36 |
| 2026-05-31 00:00 |
12:08:45.57 |
+07:46:32.3 |
HIP 59289 |
28.49 |
| 2026-05-31 12:00 |
12:08:38.91 |
+07:46:11.7 |
HIP 59289 |
29.68 |
| 2026-06-01 00:00 |
12:08:32.36 |
+07:45:50.4 |
HIP 59289 |
30.91 |
| 2026-06-01 12:00 |
12:08:25.92 |
+07:45:28.4 |
HIP 59057 |
30.60 |
| 2026-06-02 00:00 |
12:08:19.57 |
+07:45:05.7 |
HIP 59057 |
29.06 |