메타데이터
| 항목 |
값 |
| Designation |
C/2026 H1 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2026-06-13T09:01:38.988480Z |
| Orbit solution date (soln_date, UTC) |
2026-05-22T14:12:27Z |
| Obs used |
44 |
| NEO |
- |
| M1 |
8.800 |
| K1 |
10.000 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2026-04-19T08:19:12.806400Z |
| Discovery magnitude (MPC) |
20.58 w |
| Discovery observatory (MPC) |
F52 · Pan-STARRS 2, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2026-04-12.0000000 |
| e |
1.00061380 |
| q (au) |
6.083873 |
| a (au) |
-9911.810130 |
| i (deg) |
115.593285 |
| Ω (om, deg) |
178.728002 |
| ω (w, deg) |
349.640276 |
| M (ma, deg) |
-0.000062 |
밝기
산란 + 전체 선형
$$
M_a = (5.913 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
5.913 |
| n |
6.000 |
| gf |
0.915 |
| gb |
-0.653 |
| k |
0.930 |
| δ90 |
6.734 |
| 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 |
11:30:38.44 |
-02:17:12.6 |
HIP 56263 |
36.46 |
| 2026-07-29 12:00 |
11:30:49.31 |
-02:15:35.4 |
HIP 56263 |
33.63 |
| 2026-07-30 00:00 |
11:31:00.26 |
-02:13:59.2 |
HIP 56263 |
30.87 |
| 2026-07-30 12:00 |
11:31:11.28 |
-02:12:23.9 |
HIP 56263 |
28.20 |
| 2026-07-31 00:00 |
11:31:22.37 |
-02:10:49.6 |
HIP 56263 |
25.65 |
| 2026-07-31 12:00 |
11:31:33.54 |
-02:09:16.1 |
HIP 56263 |
23.27 |
| 2026-08-01 00:00 |
11:31:44.77 |
-02:07:43.6 |
HIP 56263 |
21.12 |
| 2026-08-01 12:00 |
11:31:56.08 |
-02:06:12.0 |
HIP 56263 |
19.28 |
| 2026-08-02 00:00 |
11:32:07.46 |
-02:04:41.3 |
HIP 56263 |
17.85 |
| 2026-08-02 12:00 |
11:32:18.90 |
-02:03:11.5 |
HIP 56263 |
16.93 |
| 2026-08-03 00:00 |
11:32:30.41 |
-02:01:42.5 |
HIP 56263 |
16.63 |
| 2026-08-03 12:00 |
11:32:41.99 |
-02:00:14.5 |
HIP 56263 |
16.97 |
| 2026-08-04 00:00 |
11:32:53.64 |
-01:58:47.3 |
HIP 56263 |
17.92 |
| 2026-08-04 12:00 |
11:33:05.36 |
-01:57:21.0 |
HIP 56263 |
19.40 |
| 2026-08-05 00:00 |
11:33:17.14 |
-01:55:55.5 |
HIP 56263 |
21.30 |
| 2026-08-05 12:00 |
11:33:28.98 |
-01:54:30.8 |
HIP 56263 |
23.53 |
| 2026-08-06 00:00 |
11:33:40.89 |
-01:53:07.0 |
HIP 56263 |
26.00 |
| 2026-08-06 12:00 |
11:33:52.87 |
-01:51:44.1 |
HIP 56493 |
26.68 |
| 2026-08-07 00:00 |
11:34:04.90 |
-01:50:21.9 |
HIP 56493 |
26.32 |
| 2026-08-07 12:00 |
11:34:17.00 |
-01:49:00.6 |
HIP 56493 |
26.37 |
| 2026-08-08 00:00 |
11:34:29.16 |
-01:47:40.1 |
HIP 56493 |
26.80 |
| 2026-08-08 12:00 |
11:34:41.39 |
-01:46:20.3 |
HIP 56493 |
27.62 |
| 2026-08-09 00:00 |
11:34:53.67 |
-01:45:01.4 |
HIP 56493 |
28.79 |
| 2026-08-09 12:00 |
11:35:06.01 |
-01:43:43.2 |
HIP 56493 |
30.28 |
| 2026-08-10 00:00 |
11:35:18.41 |
-01:42:25.8 |
HIP 56493 |
32.03 |
| 2026-08-10 12:00 |
11:35:30.87 |
-01:41:09.2 |
HIP 56691 |
31.43 |
| 2026-08-11 00:00 |
11:35:43.39 |
-01:39:53.3 |
HIP 56691 |
28.06 |
| 2026-08-11 12:00 |
11:35:55.96 |
-01:38:38.1 |
HIP 56691 |
24.67 |
| 2026-08-12 00:00 |
11:36:08.59 |
-01:37:23.7 |
HIP 56691 |
21.28 |
| 2026-08-12 12:00 |
11:36:21.27 |
-01:36:10.1 |
HIP 56691 |
17.89 |
| 2026-08-13 00:00 |
11:36:34.01 |
-01:34:57.1 |
HIP 56691 |
14.48 |
| 2026-08-13 12:00 |
11:36:46.80 |
-01:33:44.8 |
HIP 56691 |
11.07 |
| 2026-08-14 00:00 |
11:36:59.64 |
-01:32:33.3 |
HIP 56691 |
7.67 |
| 2026-08-14 12:00 |
11:37:12.54 |
-01:31:22.4 |
HIP 56691 |
4.28 |
| 2026-08-15 00:00 |
11:37:25.48 |
-01:30:12.3 |
HIP 56691 |
1.18 |
| 2026-08-15 12:00 |
11:37:38.48 |
-01:29:02.7 |
HIP 56691 |
2.87 |
| 2026-08-16 00:00 |
11:37:51.53 |
-01:27:53.9 |
HIP 56691 |
6.24 |
| 2026-08-16 12:00 |
11:38:04.62 |
-01:26:45.7 |
HIP 56738 |
9.32 |
| 2026-08-17 00:00 |
11:38:17.77 |
-01:25:38.2 |
HIP 56738 |
11.33 |
| 2026-08-17 12:00 |
11:38:30.96 |
-01:24:31.2 |
HIP 56738 |
13.93 |
| 2026-08-18 00:00 |
11:38:44.19 |
-01:23:25.0 |
HIP 56738 |
16.85 |
| 2026-08-18 12:00 |
11:38:57.47 |
-01:22:19.3 |
HIP 56738 |
19.95 |
| 2026-08-19 00:00 |
11:39:10.80 |
-01:21:14.2 |
HIP 56738 |
23.17 |