메타데이터
| 항목 |
값 |
| Designation |
C/2024 V2 (Sarneczky) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2024-11-03T19:07:47.573760Z |
| Orbit solution date (soln_date, UTC) |
2024-12-26T20:12:37Z |
| Obs used |
58 |
| NEO |
- |
| M1 |
15.100 |
| K1 |
47.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2024-11-10T02:20:07.584000Z |
| Discovery magnitude (MPC) |
19.80 G |
| Discovery observatory (MPC) |
K88 · GINOP-KHK, Piszkéstető |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2024-11-16.0000000 |
| e |
0.96679404 |
| q (au) |
1.242723 |
| a (au) |
37.424696 |
| i (deg) |
95.966210 |
| Ω (om, deg) |
102.188455 |
| ω (w, deg) |
13.688779 |
| M (ma, deg) |
0.052533 |
밝기
산란 + 전체 선형
$$
M_a = (17.641 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
17.641 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.500 |
| 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) |
| 2026-03-26 00:00 |
19:33:36.22 |
+16:02:13.1 |
HIP 96254 |
17.07 |
| 2026-03-26 12:00 |
19:33:40.25 |
+16:03:58.2 |
HIP 96254 |
15.09 |
| 2026-03-27 00:00 |
19:33:44.12 |
+16:05:43.4 |
HIP 96254 |
13.13 |
| 2026-03-27 12:00 |
19:33:47.83 |
+16:07:28.8 |
HIP 96254 |
11.22 |
| 2026-03-28 00:00 |
19:33:51.38 |
+16:09:14.4 |
HIP 96254 |
9.35 |
| 2026-03-28 12:00 |
19:33:54.77 |
+16:11:00.1 |
HIP 96254 |
7.55 |
| 2026-03-29 00:00 |
19:33:58.00 |
+16:12:46.0 |
HIP 96254 |
5.88 |
| 2026-03-29 12:00 |
19:34:01.06 |
+16:14:32.0 |
HIP 96254 |
4.45 |
| 2026-03-30 00:00 |
19:34:03.96 |
+16:16:18.1 |
HIP 96254 |
3.56 |
| 2026-03-30 12:00 |
19:34:06.69 |
+16:18:04.4 |
HIP 96254 |
3.61 |
| 2026-03-31 00:00 |
19:34:09.26 |
+16:19:50.7 |
HIP 96254 |
4.55 |
| 2026-03-31 12:00 |
19:34:11.67 |
+16:21:37.1 |
HIP 96254 |
5.96 |
| 2026-04-01 00:00 |
19:34:13.91 |
+16:23:23.6 |
HIP 96254 |
7.58 |
| 2026-04-01 12:00 |
19:34:15.98 |
+16:25:10.1 |
HIP 96254 |
9.29 |
| 2026-04-02 00:00 |
19:34:17.89 |
+16:26:56.7 |
HIP 96254 |
11.05 |
| 2026-04-02 12:00 |
19:34:19.63 |
+16:28:43.3 |
HIP 96294 |
11.55 |
| 2026-04-03 00:00 |
19:34:21.21 |
+16:30:30.0 |
HIP 96294 |
9.87 |
| 2026-04-03 12:00 |
19:34:22.62 |
+16:32:16.6 |
HIP 96294 |
8.26 |
| 2026-04-04 00:00 |
19:34:23.86 |
+16:34:03.3 |
HIP 96294 |
6.79 |
| 2026-04-04 12:00 |
19:34:24.93 |
+16:35:50.0 |
HIP 96294 |
5.56 |
| 2026-04-05 00:00 |
19:34:25.83 |
+16:37:36.7 |
HIP 96294 |
4.75 |
| 2026-04-05 12:00 |
19:34:26.56 |
+16:39:23.3 |
HIP 96294 |
4.57 |
| 2026-04-06 00:00 |
19:34:27.12 |
+16:41:09.9 |
HIP 96294 |
5.10 |
| 2026-04-06 12:00 |
19:34:27.52 |
+16:42:56.4 |
HIP 96294 |
6.15 |
| 2026-04-07 00:00 |
19:34:27.74 |
+16:44:42.8 |
HIP 96294 |
7.50 |
| 2026-04-07 12:00 |
19:34:27.79 |
+16:46:29.2 |
HIP 96294 |
9.02 |
| 2026-04-08 00:00 |
19:34:27.67 |
+16:48:15.5 |
HIP 96294 |
10.63 |
| 2026-04-08 12:00 |
19:34:27.38 |
+16:50:01.7 |
HIP 96294 |
12.30 |
| 2026-04-09 00:00 |
19:34:26.91 |
+16:51:47.8 |
HIP 96294 |
14.01 |
| 2026-04-09 12:00 |
19:34:26.28 |
+16:53:33.7 |
HIP 96294 |
15.73 |
| 2026-04-10 00:00 |
19:34:25.47 |
+16:55:19.5 |
HIP 96294 |
17.48 |
| 2026-04-10 12:00 |
19:34:24.48 |
+16:57:05.1 |
HIP 96294 |
19.24 |
| 2026-04-11 00:00 |
19:34:23.32 |
+16:58:50.6 |
HIP 96377 |
20.23 |
| 2026-04-11 12:00 |
19:34:21.99 |
+17:00:35.9 |
HIP 96377 |
19.94 |
| 2026-04-12 00:00 |
19:34:20.48 |
+17:02:21.0 |
HIP 96208 |
19.05 |
| 2026-04-12 12:00 |
19:34:18.80 |
+17:04:05.8 |
HIP 96208 |
17.30 |
| 2026-04-13 00:00 |
19:34:16.94 |
+17:05:50.5 |
HIP 96208 |
15.54 |
| 2026-04-13 12:00 |
19:34:14.91 |
+17:07:34.9 |
HIP 96208 |
13.77 |
| 2026-04-14 00:00 |
19:34:12.69 |
+17:09:19.0 |
HIP 96208 |
12.00 |
| 2026-04-14 12:00 |
19:34:10.31 |
+17:11:02.9 |
HIP 96208 |
10.23 |
| 2026-04-15 00:00 |
19:34:07.74 |
+17:12:46.5 |
HIP 96208 |
8.45 |
| 2026-04-15 12:00 |
19:34:05.00 |
+17:14:29.8 |
HIP 96208 |
6.68 |
| 2026-04-16 00:00 |
19:34:02.08 |
+17:16:12.8 |
HIP 96208 |
4.94 |