메타데이터
| 항목 |
값 |
| Designation |
C/2022 P3 (ZTF) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2022-07-27T08:05:13.447680Z |
| Orbit solution date (soln_date, UTC) |
2023-04-21T18:43:32Z |
| Obs used |
327 |
| NEO |
- |
| M1 |
14.500 |
| K1 |
4.500 |
| PC |
- |
| Discovery observation (MPC, UTC) |
2022-08-02T11:44:20.832000Z |
| Discovery magnitude (MPC) |
19.41 r |
| Discovery observatory (MPC) |
I41 · Palomar Mountain–ZTF |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2022-10-21.0000000 |
| e |
0.98947115 |
| q (au) |
2.561259 |
| a (au) |
243.261099 |
| i (deg) |
59.518749 |
| Ω (om, deg) |
72.234767 |
| ω (w, deg) |
0.090034 |
| M (ma, deg) |
0.022253 |
밝기
산란 + 전체 선형
$$
M_a = (13.366 + 2.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
13.366 |
| n |
2.000 |
| gf |
1.000 |
| gb |
-0.999 |
| k |
1.000 |
| δ90 |
9.999 |
| 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) |
| 2026-06-01 00:00 |
15:09:39.32 |
+32:46:46.6 |
HIP 74158 |
17.95 |
| 2026-06-01 12:00 |
15:09:29.23 |
+32:45:58.6 |
HIP 74158 |
18.12 |
| 2026-06-02 00:00 |
15:09:19.18 |
+32:45:09.6 |
HIP 74158 |
18.57 |
| 2026-06-02 12:00 |
15:09:09.18 |
+32:44:19.6 |
HIP 74158 |
19.31 |
| 2026-06-03 00:00 |
15:08:59.24 |
+32:43:28.6 |
HIP 74158 |
20.28 |
| 2026-06-03 12:00 |
15:08:49.35 |
+32:42:36.5 |
HIP 74158 |
21.46 |
| 2026-06-04 00:00 |
15:08:39.51 |
+32:41:43.4 |
HIP 74029 |
20.97 |
| 2026-06-04 12:00 |
15:08:29.73 |
+32:40:49.3 |
HIP 74029 |
19.07 |
| 2026-06-05 00:00 |
15:08:20.00 |
+32:39:54.2 |
HIP 74029 |
17.24 |
| 2026-06-05 12:00 |
15:08:10.33 |
+32:38:58.1 |
HIP 74029 |
15.52 |
| 2026-06-06 00:00 |
15:08:00.72 |
+32:38:01.0 |
HIP 74029 |
13.93 |
| 2026-06-06 12:00 |
15:07:51.17 |
+32:37:02.9 |
HIP 74029 |
12.53 |
| 2026-06-07 00:00 |
15:07:41.67 |
+32:36:03.9 |
HIP 74029 |
11.37 |
| 2026-06-07 12:00 |
15:07:32.24 |
+32:35:03.8 |
HIP 74029 |
10.55 |
| 2026-06-08 00:00 |
15:07:22.86 |
+32:34:02.8 |
HIP 74029 |
10.15 |
| 2026-06-08 12:00 |
15:07:13.55 |
+32:33:00.8 |
HIP 74029 |
10.20 |
| 2026-06-09 00:00 |
15:07:04.30 |
+32:31:57.8 |
HIP 74029 |
10.69 |
| 2026-06-09 12:00 |
15:06:55.11 |
+32:30:53.9 |
HIP 74029 |
11.58 |
| 2026-06-10 00:00 |
15:06:45.98 |
+32:29:49.0 |
HIP 74029 |
12.78 |
| 2026-06-10 12:00 |
15:06:36.92 |
+32:28:43.2 |
HIP 74029 |
14.20 |
| 2026-06-11 00:00 |
15:06:27.93 |
+32:27:36.4 |
HIP 74029 |
15.79 |
| 2026-06-11 12:00 |
15:06:19.00 |
+32:26:28.7 |
HIP 73831 |
13.76 |
| 2026-06-12 00:00 |
15:06:10.13 |
+32:25:20.0 |
HIP 73831 |
11.59 |
| 2026-06-12 12:00 |
15:06:01.34 |
+32:24:10.4 |
HIP 73831 |
9.42 |
| 2026-06-13 00:00 |
15:05:52.61 |
+32:22:59.9 |
HIP 73831 |
7.28 |
| 2026-06-13 12:00 |
15:05:43.95 |
+32:21:48.5 |
HIP 73831 |
5.18 |
| 2026-06-14 00:00 |
15:05:35.36 |
+32:20:36.1 |
HIP 73831 |
3.21 |
| 2026-06-14 12:00 |
15:05:26.84 |
+32:19:22.8 |
HIP 73831 |
1.82 |
| 2026-06-15 00:00 |
15:05:18.39 |
+32:18:08.7 |
HIP 73831 |
2.42 |
| 2026-06-15 12:00 |
15:05:10.02 |
+32:16:53.6 |
HIP 73831 |
4.23 |
| 2026-06-16 00:00 |
15:05:01.72 |
+32:15:37.7 |
HIP 73831 |
6.27 |
| 2026-06-16 12:00 |
15:04:53.49 |
+32:14:20.9 |
HIP 73831 |
8.37 |
| 2026-06-17 00:00 |
15:04:45.33 |
+32:13:03.2 |
HIP 73831 |
10.50 |
| 2026-06-17 12:00 |
15:04:37.25 |
+32:11:44.7 |
HIP 73831 |
12.63 |
| 2026-06-18 00:00 |
15:04:29.24 |
+32:10:25.3 |
HIP 73831 |
14.77 |
| 2026-06-18 12:00 |
15:04:21.31 |
+32:09:05.0 |
HIP 73831 |
16.91 |
| 2026-06-19 00:00 |
15:04:13.46 |
+32:07:43.9 |
HIP 73831 |
19.05 |
| 2026-06-19 12:00 |
15:04:05.68 |
+32:06:22.0 |
HIP 73831 |
21.19 |
| 2026-06-20 00:00 |
15:03:57.98 |
+32:04:59.2 |
HIP 73831 |
23.33 |
| 2026-06-20 12:00 |
15:03:50.36 |
+32:03:35.6 |
HIP 73831 |
25.46 |
| 2026-06-21 00:00 |
15:03:42.82 |
+32:02:11.3 |
HIP 73589 |
26.12 |
| 2026-06-21 12:00 |
15:03:35.35 |
+32:00:46.1 |
HIP 73589 |
24.05 |
| 2026-06-22 00:00 |
15:03:27.96 |
+31:59:20.1 |
HIP 73589 |
21.98 |