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) |
| 2026-06-01 00:00 |
16:23:12.62 |
-28:45:45.4 |
HIP 80036 |
38.92 |
| 2026-06-01 12:00 |
16:22:54.71 |
-28:45:48.2 |
HIP 80036 |
35.01 |
| 2026-06-02 00:00 |
16:22:36.84 |
-28:45:50.7 |
HIP 80036 |
31.11 |
| 2026-06-02 12:00 |
16:22:18.99 |
-28:45:52.7 |
HIP 80036 |
27.22 |
| 2026-06-03 00:00 |
16:22:01.18 |
-28:45:54.4 |
HIP 80036 |
23.34 |
| 2026-06-03 12:00 |
16:21:43.40 |
-28:45:55.7 |
HIP 80036 |
19.48 |
| 2026-06-04 00:00 |
16:21:25.66 |
-28:45:56.6 |
HIP 80036 |
15.65 |
| 2026-06-04 12:00 |
16:21:07.96 |
-28:45:57.1 |
HIP 80036 |
11.86 |
| 2026-06-05 00:00 |
16:20:50.30 |
-28:45:57.3 |
HIP 80036 |
8.17 |
| 2026-06-05 12:00 |
16:20:32.68 |
-28:45:57.1 |
HIP 80036 |
4.77 |
| 2026-06-06 00:00 |
16:20:15.11 |
-28:45:56.5 |
HIP 80036 |
2.93 |
| 2026-06-06 12:00 |
16:19:57.58 |
-28:45:55.6 |
HIP 80036 |
4.90 |
| 2026-06-07 00:00 |
16:19:40.10 |
-28:45:54.3 |
HIP 80036 |
8.29 |
| 2026-06-07 12:00 |
16:19:22.67 |
-28:45:52.6 |
HIP 80036 |
11.93 |
| 2026-06-08 00:00 |
16:19:05.29 |
-28:45:50.6 |
HIP 79881 |
13.76 |
| 2026-06-08 12:00 |
16:18:47.97 |
-28:45:48.3 |
HIP 79881 |
11.14 |
| 2026-06-09 00:00 |
16:18:30.70 |
-28:45:45.7 |
HIP 79881 |
9.36 |
| 2026-06-09 12:00 |
16:18:13.49 |
-28:45:42.7 |
HIP 79881 |
8.94 |
| 2026-06-10 00:00 |
16:17:56.33 |
-28:45:39.4 |
HIP 79881 |
10.02 |
| 2026-06-10 12:00 |
16:17:39.24 |
-28:45:35.7 |
HIP 79881 |
12.20 |
| 2026-06-11 00:00 |
16:17:22.21 |
-28:45:31.8 |
HIP 79881 |
15.00 |
| 2026-06-11 12:00 |
16:17:05.24 |
-28:45:27.5 |
HIP 79881 |
18.13 |
| 2026-06-12 00:00 |
16:16:48.34 |
-28:45:23.0 |
HIP 79688 |
20.23 |
| 2026-06-12 12:00 |
16:16:31.50 |
-28:45:18.1 |
HIP 79688 |
18.10 |
| 2026-06-13 00:00 |
16:16:14.73 |
-28:45:13.0 |
HIP 79688 |
16.53 |
| 2026-06-13 12:00 |
16:15:58.04 |
-28:45:07.6 |
HIP 79688 |
15.68 |
| 2026-06-14 00:00 |
16:15:41.42 |
-28:45:01.9 |
HIP 79688 |
15.67 |
| 2026-06-14 12:00 |
16:15:24.87 |
-28:44:55.9 |
HIP 79688 |
16.49 |
| 2026-06-15 00:00 |
16:15:08.40 |
-28:44:49.7 |
HIP 79688 |
18.00 |
| 2026-06-15 12:00 |
16:14:52.00 |
-28:44:43.2 |
HIP 79688 |
20.05 |
| 2026-06-16 00:00 |
16:14:35.69 |
-28:44:36.4 |
HIP 79688 |
22.48 |
| 2026-06-16 12:00 |
16:14:19.45 |
-28:44:29.5 |
HIP 79520 |
20.96 |
| 2026-06-17 00:00 |
16:14:03.30 |
-28:44:22.2 |
HIP 79520 |
19.81 |
| 2026-06-17 12:00 |
16:13:47.24 |
-28:44:14.7 |
HIP 79520 |
19.26 |
| 2026-06-18 00:00 |
16:13:31.26 |
-28:44:07.0 |
HIP 79520 |
19.35 |
| 2026-06-18 12:00 |
16:13:15.36 |
-28:43:59.1 |
HIP 79520 |
20.06 |
| 2026-06-19 00:00 |
16:12:59.56 |
-28:43:51.0 |
HIP 79403 |
18.61 |
| 2026-06-19 12:00 |
16:12:43.84 |
-28:43:42.6 |
HIP 79403 |
17.31 |
| 2026-06-20 00:00 |
16:12:28.22 |
-28:43:34.1 |
HIP 79403 |
16.64 |
| 2026-06-20 12:00 |
16:12:12.69 |
-28:43:25.4 |
HIP 79403 |
16.66 |
| 2026-06-21 00:00 |
16:11:57.26 |
-28:43:16.4 |
HIP 79403 |
17.36 |
| 2026-06-21 12:00 |
16:11:41.92 |
-28:43:07.3 |
HIP 79403 |
18.65 |
| 2026-06-22 00:00 |
16:11:26.68 |
-28:42:58.0 |
HIP 79403 |
20.41 |