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) |
| 2026-05-12 00:00 |
16:35:11.41 |
-28:37:49.3 |
HIP 81266 |
26.49 |
| 2026-05-12 12:00 |
16:34:53.91 |
-28:38:10.4 |
HIP 81266 |
28.36 |
| 2026-05-13 00:00 |
16:34:36.36 |
-28:38:31.0 |
HIP 81266 |
30.61 |
| 2026-05-13 12:00 |
16:34:18.76 |
-28:38:51.1 |
HIP 81140 |
31.66 |
| 2026-05-14 00:00 |
16:34:01.12 |
-28:39:10.7 |
HIP 81140 |
31.58 |
| 2026-05-14 12:00 |
16:33:43.43 |
-28:39:29.9 |
HIP 81140 |
31.97 |
| 2026-05-15 00:00 |
16:33:25.69 |
-28:39:48.6 |
HIP 81140 |
32.84 |
| 2026-05-15 12:00 |
16:33:07.92 |
-28:40:06.7 |
HIP 81050 |
33.22 |
| 2026-05-16 00:00 |
16:32:50.11 |
-28:40:24.4 |
HIP 80868 |
33.86 |
| 2026-05-16 12:00 |
16:32:32.27 |
-28:40:41.6 |
HIP 80868 |
30.99 |
| 2026-05-17 00:00 |
16:32:14.39 |
-28:40:58.4 |
HIP 80868 |
28.37 |
| 2026-05-17 12:00 |
16:31:56.48 |
-28:41:14.6 |
HIP 80868 |
26.07 |
| 2026-05-18 00:00 |
16:31:38.54 |
-28:41:30.4 |
HIP 80868 |
24.19 |
| 2026-05-18 12:00 |
16:31:20.57 |
-28:41:45.7 |
HIP 80868 |
22.84 |
| 2026-05-19 00:00 |
16:31:02.57 |
-28:42:00.5 |
HIP 80868 |
22.11 |
| 2026-05-19 12:00 |
16:30:44.56 |
-28:42:14.8 |
HIP 80868 |
22.07 |
| 2026-05-20 00:00 |
16:30:26.52 |
-28:42:28.7 |
HIP 80870 |
22.70 |
| 2026-05-20 12:00 |
16:30:08.46 |
-28:42:42.0 |
HIP 80870 |
23.97 |
| 2026-05-21 00:00 |
16:29:50.39 |
-28:42:55.0 |
HIP 80735 |
22.99 |
| 2026-05-21 12:00 |
16:29:32.30 |
-28:43:07.4 |
HIP 80735 |
21.13 |
| 2026-05-22 00:00 |
16:29:14.20 |
-28:43:19.4 |
HIP 80735 |
19.91 |
| 2026-05-22 12:00 |
16:28:56.09 |
-28:43:30.9 |
HIP 80735 |
19.44 |
| 2026-05-23 00:00 |
16:28:37.97 |
-28:43:42.0 |
HIP 80735 |
19.78 |
| 2026-05-23 12:00 |
16:28:19.84 |
-28:43:52.6 |
HIP 80735 |
20.89 |
| 2026-05-24 00:00 |
16:28:01.71 |
-28:44:02.7 |
HIP 80735 |
22.66 |
| 2026-05-24 12:00 |
16:27:43.58 |
-28:44:12.4 |
HIP 80735 |
24.95 |
| 2026-05-25 00:00 |
16:27:25.45 |
-28:44:21.7 |
HIP 80735 |
27.63 |
| 2026-05-25 12:00 |
16:27:07.31 |
-28:44:30.5 |
HIP 80735 |
30.59 |
| 2026-05-26 00:00 |
16:26:49.19 |
-28:44:38.8 |
HIP 80735 |
33.76 |
| 2026-05-26 12:00 |
16:26:31.06 |
-28:44:46.7 |
HIP 80607 |
34.95 |
| 2026-05-27 00:00 |
16:26:12.95 |
-28:44:54.2 |
HIP 80607 |
36.48 |
| 2026-05-27 12:00 |
16:25:54.84 |
-28:45:01.2 |
HIP 80607 |
38.36 |
| 2026-05-28 00:00 |
16:25:36.75 |
-28:45:07.8 |
HIP 80478 |
38.90 |
| 2026-05-28 12:00 |
16:25:18.67 |
-28:45:14.0 |
HIP 80478 |
39.05 |
| 2026-05-29 00:00 |
16:25:00.60 |
-28:45:19.7 |
HIP 80478 |
39.60 |
| 2026-05-29 12:00 |
16:24:42.55 |
-28:45:25.0 |
HIP 80478 |
40.54 |
| 2026-05-30 00:00 |
16:24:24.52 |
-28:45:29.9 |
HIP 80478 |
41.83 |
| 2026-05-30 12:00 |
16:24:06.51 |
-28:45:34.4 |
HIP 80478 |
43.45 |
| 2026-05-31 00:00 |
16:23:48.52 |
-28:45:38.5 |
HIP 80478 |
45.36 |
| 2026-05-31 12:00 |
16:23:30.56 |
-28:45:42.1 |
HIP 80036 |
42.84 |
| 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 |