C/2023 V4 (Camarasa-Duszanowicz)
메타데이터
| 항목 |
값 |
| Designation |
C/2023 V4 (Camarasa-Duszanowicz) |
| Type |
C |
| Perihelion (tp_cal, UTC) |
2024-05-30T08:44:17.928960Z |
| Orbit solution date (soln_date, UTC) |
2025-10-28T16:12:34Z |
| Obs used |
1132 |
| NEO |
- |
| M1 |
11.600 |
| K1 |
10.250 |
| PC |
0.030 |
| Discovery observation (MPC, UTC) |
2023-11-05T01:19:50.016000Z |
| Discovery magnitude (MPC) |
18.70 G |
| Discovery observatory (MPC) |
L87 · Moonbase South Observatory, Hakos |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2024-05-03.0000000 |
| e |
1.00099950 |
| q (au) |
1.121703 |
| a (au) |
-1122.269756 |
| i (deg) |
67.130004 |
| Ω (om, deg) |
66.325910 |
| ω (w, deg) |
50.854187 |
| M (ma, deg) |
-0.000717 |
밝기
산란 + 전체 선형
$$
M_a = (11.566 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.566 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.753 |
| k |
0.800 |
| 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
잔차 (구간 선형)
$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$
| 시작일 (UTC) |
끝 (UTC) |
a |
b |
| 2023-11-05 |
2023-12-07 |
+2.1316 |
-0.813 |
| 2023-12-07 |
2024-01-14 |
+3.1537 |
-1.407 |
| 2024-01-14 |
2024-02-06 |
+0.3215 |
-0.463 |
| 2024-02-06 |
2024-03-08 |
+3.7127 |
-1.642 |
| 2024-03-08 |
2024-04-05 |
-8.0736 |
+1.196 |
| 2024-04-05 |
2024-05-29 |
+11.8610 |
-1.812 |
| 2024-06-01 |
2025-05-23 |
+2.5196 |
-0.943 |
log10 r = log10(태양거리/AU), Δ = 지구거리(AU)
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-02-03 00:00 |
16:51:55.45 |
-25:39:16.0 |
HIP 82538 |
5.66 |
| 2026-02-03 12:00 |
16:52:04.55 |
-25:40:29.3 |
HIP 82538 |
5.16 |
| 2026-02-04 00:00 |
16:52:13.52 |
-25:41:42.5 |
HIP 82538 |
5.70 |
| 2026-02-04 12:00 |
16:52:22.37 |
-25:42:55.6 |
HIP 82538 |
7.04 |
| 2026-02-05 00:00 |
16:52:31.10 |
-25:44:08.5 |
HIP 82538 |
8.79 |
| 2026-02-05 12:00 |
16:52:39.70 |
-25:45:21.4 |
HIP 82538 |
10.74 |
| 2026-02-06 00:00 |
16:52:48.18 |
-25:46:34.1 |
HIP 82538 |
12.78 |
| 2026-02-06 12:00 |
16:52:56.54 |
-25:47:46.6 |
HIP 82538 |
14.87 |
| 2026-02-07 00:00 |
16:53:04.76 |
-25:48:59.1 |
HIP 82538 |
16.97 |
| 2026-02-07 12:00 |
16:53:12.86 |
-25:50:11.5 |
HIP 82708 |
15.27 |
| 2026-02-08 00:00 |
16:53:20.83 |
-25:51:23.7 |
HIP 82708 |
13.57 |
| 2026-02-08 12:00 |
16:53:28.68 |
-25:52:35.8 |
HIP 82708 |
12.04 |
| 2026-02-09 00:00 |
16:53:36.39 |
-25:53:47.7 |
HIP 82708 |
10.76 |
| 2026-02-09 12:00 |
16:53:43.97 |
-25:54:59.6 |
HIP 82708 |
9.78 |
| 2026-02-10 00:00 |
16:53:51.42 |
-25:56:11.3 |
HIP 82708 |
9.21 |
| 2026-02-10 12:00 |
16:53:58.74 |
-25:57:23.0 |
HIP 82708 |
9.09 |
| 2026-02-11 00:00 |
16:54:05.93 |
-25:58:34.5 |
HIP 82708 |
9.42 |
| 2026-02-11 12:00 |
16:54:12.98 |
-25:59:45.8 |
HIP 82708 |
10.16 |
| 2026-02-12 00:00 |
16:54:19.90 |
-26:00:57.1 |
HIP 82708 |
11.20 |
| 2026-02-12 12:00 |
16:54:26.68 |
-26:02:08.2 |
HIP 82708 |
12.45 |
| 2026-02-13 00:00 |
16:54:33.33 |
-26:03:19.2 |
HIP 82708 |
13.86 |
| 2026-02-13 12:00 |
16:54:39.84 |
-26:04:30.1 |
HIP 82705 |
14.21 |
| 2026-02-14 00:00 |
16:54:46.21 |
-26:05:40.9 |
HIP 82705 |
13.68 |
| 2026-02-14 12:00 |
16:54:52.44 |
-26:06:51.5 |
HIP 82705 |
13.36 |
| 2026-02-15 00:00 |
16:54:58.54 |
-26:08:02.1 |
HIP 82705 |
13.28 |
| 2026-02-15 12:00 |
16:55:04.49 |
-26:09:12.5 |
HIP 82705 |
13.41 |
| 2026-02-16 00:00 |
16:55:10.31 |
-26:10:22.7 |
HIP 82705 |
13.75 |
| 2026-02-16 12:00 |
16:55:15.98 |
-26:11:32.9 |
HIP 82705 |
14.27 |
| 2026-02-17 00:00 |
16:55:21.51 |
-26:12:42.9 |
HIP 82756 |
13.98 |
| 2026-02-17 12:00 |
16:55:26.90 |
-26:13:52.9 |
HIP 82756 |
13.68 |
| 2026-02-18 00:00 |
16:55:32.15 |
-26:15:02.7 |
HIP 82756 |
13.56 |
| 2026-02-18 12:00 |
16:55:37.25 |
-26:16:12.3 |
HIP 82756 |
13.62 |
| 2026-02-19 00:00 |
16:55:42.21 |
-26:17:21.9 |
HIP 82756 |
13.85 |
| 2026-02-19 12:00 |
16:55:47.02 |
-26:18:31.3 |
HIP 82756 |
14.22 |
| 2026-02-20 00:00 |
16:55:51.69 |
-26:19:40.6 |
HIP 82756 |
14.73 |
| 2026-02-20 12:00 |
16:55:56.21 |
-26:20:49.8 |
HIP 82756 |
15.34 |
| 2026-02-21 00:00 |
16:56:00.58 |
-26:21:58.8 |
HIP 82756 |
16.05 |
| 2026-02-21 12:00 |
16:56:04.81 |
-26:23:07.8 |
HIP 82756 |
16.83 |
| 2026-02-22 00:00 |
16:56:08.89 |
-26:24:16.6 |
HIP 82756 |
17.67 |
| 2026-02-22 12:00 |
16:56:12.82 |
-26:25:25.3 |
HIP 82756 |
18.55 |
| 2026-02-23 00:00 |
16:56:16.60 |
-26:26:33.8 |
HIP 82756 |
19.46 |
| 2026-02-23 12:00 |
16:56:20.23 |
-26:27:42.2 |
HIP 82756 |
20.40 |
| 2026-02-24 00:00 |
16:56:23.71 |
-26:28:50.5 |
HIP 82756 |
21.36 |