메타데이터
| 항목 |
값 |
| Designation |
P/2023 Y1 (Gibbs) |
| Type |
P |
| Perihelion (tp_cal, UTC) |
2023-11-29T17:56:43.405440Z |
| Orbit solution date (soln_date, UTC) |
2024-05-14T12:42:28Z |
| Obs used |
94 |
| NEO |
- |
| M1 |
16.500 |
| K1 |
8.750 |
| PC |
- |
Osculating 궤도요소
| 항목 |
값 |
| Epoch (epoch_cal, TDB) |
2024-02-05.0000000 |
| e |
0.44505354 |
| q (au) |
2.079783 |
| a (au) |
3.747719 |
| i (deg) |
6.384063 |
| Ω (om, deg) |
78.857594 |
| ω (w, deg) |
51.430701 |
| M (ma, deg) |
9.136095 |
밝기
산란 + 전체 선형
$$
M_a = (13.789 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta
$$
$$
\theta = 180^\circ - \alpha
$$
$$
\Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b)
$$
$$
\Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1
$$
모델 상수
| 항목 |
값 |
| H0 |
13.789 |
| n |
6.000 |
| gf |
1.000 |
| gb |
-0.929 |
| 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) |
| 2026-05-12 00:00 |
19:46:02.04 |
-24:15:52.5 |
HIP 97424 |
29.25 |
| 2026-05-12 12:00 |
19:45:59.00 |
-24:16:31.5 |
HIP 97424 |
29.70 |
| 2026-05-13 00:00 |
19:45:55.73 |
-24:17:11.1 |
HIP 97424 |
30.21 |
| 2026-05-13 12:00 |
19:45:52.23 |
-24:17:51.2 |
HIP 97424 |
30.80 |
| 2026-05-14 00:00 |
19:45:48.51 |
-24:18:31.9 |
HIP 97424 |
31.46 |
| 2026-05-14 12:00 |
19:45:44.57 |
-24:19:13.1 |
HIP 97424 |
32.18 |
| 2026-05-15 00:00 |
19:45:40.40 |
-24:19:54.8 |
HIP 97424 |
32.98 |
| 2026-05-15 12:00 |
19:45:36.01 |
-24:20:37.1 |
HIP 97424 |
33.85 |
| 2026-05-16 00:00 |
19:45:31.39 |
-24:21:20.0 |
HIP 97294 |
33.69 |
| 2026-05-16 12:00 |
19:45:26.55 |
-24:22:03.3 |
HIP 97294 |
33.44 |
| 2026-05-17 00:00 |
19:45:21.49 |
-24:22:47.2 |
HIP 97294 |
33.26 |
| 2026-05-17 12:00 |
19:45:16.20 |
-24:23:31.6 |
HIP 97294 |
33.15 |
| 2026-05-18 00:00 |
19:45:10.69 |
-24:24:16.5 |
HIP 97294 |
33.11 |
| 2026-05-18 12:00 |
19:45:04.96 |
-24:25:01.9 |
HIP 97294 |
33.16 |
| 2026-05-19 00:00 |
19:44:59.01 |
-24:25:47.9 |
HIP 96967 |
32.44 |
| 2026-05-19 12:00 |
19:44:52.84 |
-24:26:34.3 |
HIP 96967 |
31.13 |
| 2026-05-20 00:00 |
19:44:46.44 |
-24:27:21.2 |
HIP 96967 |
29.79 |
| 2026-05-20 12:00 |
19:44:39.83 |
-24:28:08.6 |
HIP 96967 |
28.44 |
| 2026-05-21 00:00 |
19:44:33.00 |
-24:28:56.5 |
HIP 96967 |
27.09 |
| 2026-05-21 12:00 |
19:44:25.95 |
-24:29:44.9 |
HIP 96967 |
25.73 |
| 2026-05-22 00:00 |
19:44:18.68 |
-24:30:33.7 |
HIP 96967 |
24.39 |
| 2026-05-22 12:00 |
19:44:11.20 |
-24:31:23.0 |
HIP 96967 |
23.08 |
| 2026-05-23 00:00 |
19:44:03.49 |
-24:32:12.7 |
HIP 96967 |
21.81 |
| 2026-05-23 12:00 |
19:43:55.58 |
-24:33:02.9 |
HIP 96967 |
20.60 |
| 2026-05-24 00:00 |
19:43:47.45 |
-24:33:53.6 |
HIP 96967 |
19.49 |
| 2026-05-24 12:00 |
19:43:39.10 |
-24:34:44.6 |
HIP 96967 |
18.50 |
| 2026-05-25 00:00 |
19:43:30.54 |
-24:35:36.1 |
HIP 96967 |
17.68 |
| 2026-05-25 12:00 |
19:43:21.77 |
-24:36:28.1 |
HIP 96967 |
17.06 |
| 2026-05-26 00:00 |
19:43:12.79 |
-24:37:20.4 |
HIP 96967 |
16.68 |
| 2026-05-26 12:00 |
19:43:03.60 |
-24:38:13.1 |
HIP 96938 |
16.26 |
| 2026-05-27 00:00 |
19:42:54.19 |
-24:39:06.3 |
HIP 96938 |
14.36 |
| 2026-05-27 12:00 |
19:42:44.58 |
-24:39:59.8 |
HIP 96938 |
12.59 |
| 2026-05-28 00:00 |
19:42:34.76 |
-24:40:53.8 |
HIP 96938 |
11.01 |
| 2026-05-28 12:00 |
19:42:24.74 |
-24:41:48.1 |
HIP 96938 |
9.77 |
| 2026-05-29 00:00 |
19:42:14.51 |
-24:42:42.7 |
HIP 96938 |
9.03 |
| 2026-05-29 12:00 |
19:42:04.07 |
-24:43:37.8 |
HIP 96938 |
8.98 |
| 2026-05-30 00:00 |
19:41:53.43 |
-24:44:33.1 |
HIP 96879 |
7.01 |
| 2026-05-30 12:00 |
19:41:42.59 |
-24:45:28.9 |
HIP 96879 |
5.04 |
| 2026-05-31 00:00 |
19:41:31.54 |
-24:46:25.0 |
HIP 96879 |
3.95 |
| 2026-05-31 12:00 |
19:41:20.30 |
-24:47:21.4 |
HIP 96879 |
4.51 |
| 2026-06-01 00:00 |
19:41:08.85 |
-24:48:18.1 |
HIP 96879 |
6.35 |
| 2026-06-01 12:00 |
19:40:57.21 |
-24:49:15.1 |
HIP 96879 |
8.74 |
| 2026-06-02 00:00 |
19:40:45.37 |
-24:50:12.5 |
HIP 96879 |
11.37 |