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
$$
M_a = (11.558 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
11.558 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.752 |
| 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 |
+2.1125 |
-0.804 |
| 2023-12-07 |
2024-01-14 |
+3.0884 |
-1.377 |
| 2024-01-14 |
2024-02-06 |
+0.7897 |
-0.625 |
| 2024-02-06 |
2024-03-08 |
+1.4322 |
-0.963 |
| 2024-03-08 |
2024-05-29 |
+2.9015 |
-1.144 |
| 2024-06-01 |
2025-05-23 |
+2.5990 |
-0.952 |
log10 r = log10(태양거리/AU), Δ = 지구거리(AU)
천체력
| Date/Time (UTC) |
RA (J2000) |
Dec (J2000) |
Nearest HIP |
Dist from HIP (arcmin) |
| 2026-03-26 00:00 |
16:55:04.65 |
-27:32:29.0 |
HIP 82754 |
12.87 |
| 2026-03-26 12:00 |
16:54:58.39 |
-27:33:26.7 |
HIP 82754 |
11.63 |
| 2026-03-27 00:00 |
16:54:51.97 |
-27:34:24.2 |
HIP 82754 |
10.52 |
| 2026-03-27 12:00 |
16:54:45.39 |
-27:35:21.5 |
HIP 82754 |
9.60 |
| 2026-03-28 00:00 |
16:54:38.66 |
-27:36:18.5 |
HIP 82754 |
8.94 |
| 2026-03-28 12:00 |
16:54:31.76 |
-27:37:15.3 |
HIP 82754 |
8.62 |
| 2026-03-29 00:00 |
16:54:24.70 |
-27:38:11.8 |
HIP 82754 |
8.69 |
| 2026-03-29 12:00 |
16:54:17.49 |
-27:39:08.0 |
HIP 82754 |
9.16 |
| 2026-03-30 00:00 |
16:54:10.11 |
-27:40:04.0 |
HIP 82754 |
10.00 |
| 2026-03-30 12:00 |
16:54:02.58 |
-27:40:59.7 |
HIP 82754 |
11.12 |
| 2026-03-31 00:00 |
16:53:54.89 |
-27:41:55.2 |
HIP 82754 |
12.47 |
| 2026-03-31 12:00 |
16:53:47.05 |
-27:42:50.3 |
HIP 82754 |
14.00 |
| 2026-04-01 00:00 |
16:53:39.04 |
-27:43:45.2 |
HIP 82754 |
15.66 |
| 2026-04-01 12:00 |
16:53:30.88 |
-27:44:39.8 |
HIP 82754 |
17.42 |
| 2026-04-02 00:00 |
16:53:22.57 |
-27:45:34.2 |
HIP 82754 |
19.27 |
| 2026-04-02 12:00 |
16:53:14.10 |
-27:46:28.2 |
HIP 82754 |
21.19 |
| 2026-04-03 00:00 |
16:53:05.47 |
-27:47:22.0 |
HIP 82754 |
23.17 |
| 2026-04-03 12:00 |
16:52:56.70 |
-27:48:15.4 |
HIP 82479 |
24.12 |
| 2026-04-04 00:00 |
16:52:47.76 |
-27:49:08.6 |
HIP 82479 |
21.99 |
| 2026-04-04 12:00 |
16:52:38.68 |
-27:50:01.5 |
HIP 82479 |
19.83 |
| 2026-04-05 00:00 |
16:52:29.44 |
-27:50:54.0 |
HIP 82479 |
17.66 |
| 2026-04-05 12:00 |
16:52:20.05 |
-27:51:46.3 |
HIP 82479 |
15.48 |
| 2026-04-06 00:00 |
16:52:10.50 |
-27:52:38.2 |
HIP 82479 |
13.30 |
| 2026-04-06 12:00 |
16:52:00.81 |
-27:53:29.9 |
HIP 82479 |
11.14 |
| 2026-04-07 00:00 |
16:51:50.97 |
-27:54:21.2 |
HIP 82479 |
9.04 |
| 2026-04-07 12:00 |
16:51:40.97 |
-27:55:12.2 |
HIP 82479 |
7.07 |
| 2026-04-08 00:00 |
16:51:30.83 |
-27:56:02.8 |
HIP 82479 |
5.43 |
| 2026-04-08 12:00 |
16:51:20.54 |
-27:56:53.2 |
HIP 82458 |
3.82 |
| 2026-04-09 00:00 |
16:51:10.10 |
-27:57:43.2 |
HIP 82458 |
1.47 |
| 2026-04-09 12:00 |
16:50:59.52 |
-27:58:32.8 |
HIP 82458 |
1.36 |
| 2026-04-10 00:00 |
16:50:48.78 |
-27:59:22.2 |
HIP 82458 |
3.75 |
| 2026-04-10 12:00 |
16:50:37.91 |
-28:00:11.1 |
HIP 82458 |
6.26 |
| 2026-04-11 00:00 |
16:50:26.88 |
-28:00:59.8 |
HIP 82458 |
8.81 |
| 2026-04-11 12:00 |
16:50:15.72 |
-28:01:48.1 |
HIP 82458 |
11.40 |
| 2026-04-12 00:00 |
16:50:04.41 |
-28:02:36.0 |
HIP 82458 |
14.02 |
| 2026-04-12 12:00 |
16:49:52.96 |
-28:03:23.6 |
HIP 82458 |
16.67 |
| 2026-04-13 00:00 |
16:49:41.36 |
-28:04:10.8 |
HIP 82458 |
19.34 |
| 2026-04-13 12:00 |
16:49:29.63 |
-28:04:57.6 |
HIP 82458 |
22.05 |
| 2026-04-14 00:00 |
16:49:17.76 |
-28:05:44.1 |
HIP 82264 |
22.04 |
| 2026-04-14 12:00 |
16:49:05.75 |
-28:06:30.2 |
HIP 82264 |
20.25 |
| 2026-04-15 00:00 |
16:48:53.60 |
-28:07:15.9 |
HIP 82264 |
18.69 |
| 2026-04-15 12:00 |
16:48:41.31 |
-28:08:01.3 |
HIP 82264 |
17.45 |
| 2026-04-16 00:00 |
16:48:28.89 |
-28:08:46.2 |
HIP 82229 |
15.66 |