메타데이터
| 항목 |
값 |
| Designation |
C/2024 Q3 (PANSTARRS) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2025-03-05T05:25:00.739200Z |
| Orbit solution date (soln_date, UTC) |
2025-06-26T10:13:08Z |
| Obs used |
78 |
| NEO |
- |
| M1 |
15.800 |
| K1 |
7.750 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2024-08-27T09:52:56.323200Z |
| Discovery magnitude (MPC) |
21.06 w |
| Discovery observatory (MPC) |
F52 · Pan-STARRS 2, Haleakala |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2024-10-14.0000000 |
| e |
1.00151399 |
| q (au) |
2.091551 |
| a (au) |
-1381.479710 |
| i (deg) |
121.375983 |
| Ω (om, deg) |
337.283849 |
| ω (w, deg) |
70.127632 |
| M (ma, deg) |
-0.002730 |
밝기
산란 + 전체 선형
$$
M_a = (13.376 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
13.376 |
| n |
6.000 |
| gf |
0.996 |
| gb |
-0.685 |
| k |
0.950 |
| 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) |
| 2026-07-29 00:00 |
10:31:29.59 |
+13:00:47.3 |
HIP 51590 |
12.84 |
| 2026-07-29 12:00 |
10:31:39.73 |
+12:58:11.4 |
HIP 51590 |
9.57 |
| 2026-07-30 00:00 |
10:31:49.90 |
+12:55:35.6 |
HIP 51590 |
6.61 |
| 2026-07-30 12:00 |
10:32:00.12 |
+12:53:00.0 |
HIP 51590 |
4.63 |
| 2026-07-31 00:00 |
10:32:10.38 |
+12:50:24.3 |
HIP 51590 |
5.01 |
| 2026-07-31 12:00 |
10:32:20.68 |
+12:47:48.8 |
HIP 51590 |
7.39 |
| 2026-08-01 00:00 |
10:32:31.02 |
+12:45:13.4 |
HIP 51590 |
10.50 |
| 2026-08-01 12:00 |
10:32:41.39 |
+12:42:38.0 |
HIP 51590 |
13.86 |
| 2026-08-02 00:00 |
10:32:51.81 |
+12:40:02.7 |
HIP 51590 |
17.33 |
| 2026-08-02 12:00 |
10:33:02.26 |
+12:37:27.6 |
HIP 51590 |
20.86 |
| 2026-08-03 00:00 |
10:33:12.74 |
+12:34:52.5 |
HIP 51725 |
18.20 |
| 2026-08-03 12:00 |
10:33:23.26 |
+12:32:17.5 |
HIP 51725 |
14.56 |
| 2026-08-04 00:00 |
10:33:33.82 |
+12:29:42.6 |
HIP 51725 |
10.92 |
| 2026-08-04 12:00 |
10:33:44.40 |
+12:27:07.7 |
HIP 51725 |
7.28 |
| 2026-08-05 00:00 |
10:33:55.02 |
+12:24:33.0 |
HIP 51725 |
3.65 |
| 2026-08-05 12:00 |
10:34:05.67 |
+12:21:58.4 |
HIP 51725 |
0.63 |
| 2026-08-06 00:00 |
10:34:16.36 |
+12:19:23.8 |
HIP 51725 |
3.78 |
| 2026-08-06 12:00 |
10:34:27.07 |
+12:16:49.4 |
HIP 51725 |
7.43 |
| 2026-08-07 00:00 |
10:34:37.81 |
+12:14:15.1 |
HIP 51786 |
8.36 |
| 2026-08-07 12:00 |
10:34:48.58 |
+12:11:40.8 |
HIP 51786 |
5.03 |
| 2026-08-08 00:00 |
10:34:59.38 |
+12:09:06.7 |
HIP 51786 |
2.82 |
| 2026-08-08 12:00 |
10:35:10.20 |
+12:06:32.7 |
HIP 51786 |
4.21 |
| 2026-08-09 00:00 |
10:35:21.05 |
+12:03:58.7 |
HIP 51786 |
7.40 |
| 2026-08-09 12:00 |
10:35:31.92 |
+12:01:24.9 |
HIP 51786 |
10.92 |
| 2026-08-10 00:00 |
10:35:42.82 |
+11:58:51.2 |
HIP 51786 |
14.52 |
| 2026-08-10 12:00 |
10:35:53.74 |
+11:56:17.6 |
HIP 51786 |
18.17 |
| 2026-08-11 00:00 |
10:36:04.68 |
+11:53:44.2 |
HIP 51892 |
16.87 |
| 2026-08-11 12:00 |
10:36:15.65 |
+11:51:10.8 |
HIP 51892 |
14.47 |
| 2026-08-12 00:00 |
10:36:26.63 |
+11:48:37.6 |
HIP 51892 |
12.72 |
| 2026-08-12 12:00 |
10:36:37.64 |
+11:46:04.5 |
HIP 51892 |
11.91 |
| 2026-08-13 00:00 |
10:36:48.66 |
+11:43:31.5 |
HIP 51892 |
12.23 |
| 2026-08-13 12:00 |
10:36:59.70 |
+11:40:58.6 |
HIP 51892 |
13.60 |
| 2026-08-14 00:00 |
10:37:10.76 |
+11:38:25.9 |
HIP 51892 |
15.75 |
| 2026-08-14 12:00 |
10:37:21.83 |
+11:35:53.3 |
HIP 51892 |
18.41 |
| 2026-08-15 00:00 |
10:37:32.91 |
+11:33:20.8 |
HIP 51892 |
21.40 |
| 2026-08-15 12:00 |
10:37:44.01 |
+11:30:48.5 |
HIP 51892 |
24.58 |
| 2026-08-16 00:00 |
10:37:55.13 |
+11:28:16.3 |
HIP 51892 |
27.91 |
| 2026-08-16 12:00 |
10:38:06.25 |
+11:25:44.3 |
HIP 51892 |
31.32 |
| 2026-08-17 00:00 |
10:38:17.39 |
+11:23:12.4 |
HIP 51945 |
31.85 |
| 2026-08-17 12:00 |
10:38:28.54 |
+11:20:40.6 |
HIP 52236 |
28.97 |
| 2026-08-18 00:00 |
10:38:39.69 |
+11:18:09.0 |
HIP 52236 |
25.53 |
| 2026-08-18 12:00 |
10:38:50.86 |
+11:15:37.6 |
HIP 52236 |
22.19 |
| 2026-08-19 00:00 |
10:39:02.03 |
+11:13:06.3 |
HIP 52236 |
18.98 |