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 |
0.995 |
| gb |
-0.998 |
| 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 |
15:32:39.10 |
+31:53:59.5 |
HIP 76242 |
23.79 |
| 2026-03-26 12:00 |
15:32:31.83 |
+31:55:23.1 |
HIP 76242 |
24.91 |
| 2026-03-27 00:00 |
15:32:24.47 |
+31:56:46.1 |
HIP 76242 |
26.17 |
| 2026-03-27 12:00 |
15:32:17.03 |
+31:58:08.4 |
HIP 76242 |
27.55 |
| 2026-03-28 00:00 |
15:32:09.50 |
+31:59:30.2 |
HIP 76242 |
29.03 |
| 2026-03-28 12:00 |
15:32:01.88 |
+32:00:51.4 |
HIP 76242 |
30.60 |
| 2026-03-29 00:00 |
15:31:54.18 |
+32:02:11.9 |
HIP 76242 |
32.25 |
| 2026-03-29 12:00 |
15:31:46.40 |
+32:03:31.8 |
HIP 76010 |
32.30 |
| 2026-03-30 00:00 |
15:31:38.54 |
+32:04:51.1 |
HIP 76010 |
30.80 |
| 2026-03-30 12:00 |
15:31:30.59 |
+32:06:09.7 |
HIP 76010 |
29.39 |
| 2026-03-31 00:00 |
15:31:22.56 |
+32:07:27.7 |
HIP 76010 |
28.09 |
| 2026-03-31 12:00 |
15:31:14.45 |
+32:08:45.0 |
HIP 76010 |
26.90 |
| 2026-04-01 00:00 |
15:31:06.27 |
+32:10:01.6 |
HIP 76010 |
25.85 |
| 2026-04-01 12:00 |
15:30:58.00 |
+32:11:17.6 |
HIP 76010 |
24.96 |
| 2026-04-02 00:00 |
15:30:49.65 |
+32:12:32.8 |
HIP 76010 |
24.24 |
| 2026-04-02 12:00 |
15:30:41.23 |
+32:13:47.4 |
HIP 76010 |
23.72 |
| 2026-04-03 00:00 |
15:30:32.73 |
+32:15:01.2 |
HIP 75881 |
23.31 |
| 2026-04-03 12:00 |
15:30:24.16 |
+32:16:14.3 |
HIP 75881 |
21.62 |
| 2026-04-04 00:00 |
15:30:15.51 |
+32:17:26.7 |
HIP 75881 |
20.04 |
| 2026-04-04 12:00 |
15:30:06.79 |
+32:18:38.3 |
HIP 75881 |
18.58 |
| 2026-04-05 00:00 |
15:29:57.99 |
+32:19:49.2 |
HIP 75758 |
17.29 |
| 2026-04-05 12:00 |
15:29:49.12 |
+32:20:59.4 |
HIP 75758 |
15.33 |
| 2026-04-06 00:00 |
15:29:40.18 |
+32:22:08.7 |
HIP 75758 |
13.43 |
| 2026-04-06 12:00 |
15:29:31.17 |
+32:23:17.3 |
HIP 75758 |
11.62 |
| 2026-04-07 00:00 |
15:29:22.09 |
+32:24:25.2 |
HIP 75758 |
9.96 |
| 2026-04-07 12:00 |
15:29:12.94 |
+32:25:32.2 |
HIP 75758 |
8.55 |
| 2026-04-08 00:00 |
15:29:03.72 |
+32:26:38.4 |
HIP 75758 |
7.52 |
| 2026-04-08 12:00 |
15:28:54.43 |
+32:27:43.8 |
HIP 75758 |
7.06 |
| 2026-04-09 00:00 |
15:28:45.08 |
+32:28:48.4 |
HIP 75758 |
7.28 |
| 2026-04-09 12:00 |
15:28:35.66 |
+32:29:52.2 |
HIP 75758 |
8.12 |
| 2026-04-10 00:00 |
15:28:26.18 |
+32:30:55.1 |
HIP 75758 |
9.43 |
| 2026-04-10 12:00 |
15:28:16.63 |
+32:31:57.2 |
HIP 75758 |
11.04 |
| 2026-04-11 00:00 |
15:28:07.02 |
+32:32:58.5 |
HIP 75758 |
12.84 |
| 2026-04-11 12:00 |
15:27:57.35 |
+32:33:58.8 |
HIP 75758 |
14.77 |
| 2026-04-12 00:00 |
15:27:47.62 |
+32:34:58.4 |
HIP 75758 |
16.78 |
| 2026-04-12 12:00 |
15:27:37.83 |
+32:35:57.0 |
HIP 75758 |
18.85 |
| 2026-04-13 00:00 |
15:27:27.98 |
+32:36:54.7 |
HIP 75543 |
20.44 |
| 2026-04-13 12:00 |
15:27:18.07 |
+32:37:51.6 |
HIP 75543 |
19.01 |
| 2026-04-14 00:00 |
15:27:08.10 |
+32:38:47.5 |
HIP 75543 |
17.74 |
| 2026-04-14 12:00 |
15:26:58.08 |
+32:39:42.6 |
HIP 75543 |
16.68 |
| 2026-04-15 00:00 |
15:26:48.00 |
+32:40:36.7 |
HIP 75543 |
15.86 |
| 2026-04-15 12:00 |
15:26:37.87 |
+32:41:29.9 |
HIP 75543 |
15.33 |
| 2026-04-16 00:00 |
15:26:27.69 |
+32:42:22.2 |
HIP 75543 |
15.12 |