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) |
| 2026-07-29 00:00 |
19:06:10.46 |
-26:31:41.4 |
HIP 93767 |
8.92 |
| 2026-07-29 12:00 |
19:05:52.42 |
-26:32:12.5 |
HIP 93767 |
6.54 |
| 2026-07-30 00:00 |
19:05:34.50 |
-26:32:43.0 |
HIP 93767 |
6.24 |
| 2026-07-30 12:00 |
19:05:16.71 |
-26:33:13.0 |
HIP 93767 |
8.22 |
| 2026-07-31 00:00 |
19:04:59.04 |
-26:33:42.5 |
HIP 93767 |
11.30 |
| 2026-07-31 12:00 |
19:04:41.51 |
-26:34:11.3 |
HIP 93767 |
14.79 |
| 2026-08-01 00:00 |
19:04:24.10 |
-26:34:39.6 |
HIP 93767 |
18.44 |
| 2026-08-01 12:00 |
19:04:06.83 |
-26:35:07.4 |
HIP 93767 |
22.16 |
| 2026-08-02 00:00 |
19:03:49.69 |
-26:35:34.6 |
HIP 93767 |
25.89 |
| 2026-08-02 12:00 |
19:03:32.70 |
-26:36:01.2 |
HIP 93767 |
29.63 |
| 2026-08-03 00:00 |
19:03:15.84 |
-26:36:27.3 |
HIP 93767 |
33.35 |
| 2026-08-03 12:00 |
19:02:59.13 |
-26:36:52.8 |
HIP 93339 |
30.69 |
| 2026-08-04 00:00 |
19:02:42.56 |
-26:37:17.8 |
HIP 93339 |
26.96 |
| 2026-08-04 12:00 |
19:02:26.14 |
-26:37:42.2 |
HIP 93339 |
23.27 |
| 2026-08-05 00:00 |
19:02:09.87 |
-26:38:06.0 |
HIP 93339 |
19.62 |
| 2026-08-05 12:00 |
19:01:53.75 |
-26:38:29.4 |
HIP 93339 |
15.99 |
| 2026-08-06 00:00 |
19:01:37.79 |
-26:38:52.1 |
HIP 93339 |
12.41 |
| 2026-08-06 12:00 |
19:01:21.99 |
-26:39:14.4 |
HIP 93339 |
8.86 |
| 2026-08-07 00:00 |
19:01:06.34 |
-26:39:36.1 |
HIP 93339 |
5.34 |
| 2026-08-07 12:00 |
19:00:50.86 |
-26:39:57.2 |
HIP 93339 |
1.87 |
| 2026-08-08 00:00 |
19:00:35.54 |
-26:40:17.8 |
HIP 93339 |
1.58 |
| 2026-08-08 12:00 |
19:00:20.38 |
-26:40:37.9 |
HIP 93339 |
4.98 |
| 2026-08-09 00:00 |
19:00:05.39 |
-26:40:57.4 |
HIP 93339 |
8.34 |
| 2026-08-09 12:00 |
18:59:50.58 |
-26:41:16.4 |
HIP 93339 |
11.67 |
| 2026-08-10 00:00 |
18:59:35.93 |
-26:41:34.9 |
HIP 93217 |
11.81 |
| 2026-08-10 12:00 |
18:59:21.46 |
-26:41:52.9 |
HIP 93217 |
10.77 |
| 2026-08-11 00:00 |
18:59:07.17 |
-26:42:10.3 |
HIP 93217 |
10.66 |
| 2026-08-11 12:00 |
18:58:53.05 |
-26:42:27.2 |
HIP 93217 |
11.47 |
| 2026-08-12 00:00 |
18:58:39.12 |
-26:42:43.6 |
HIP 93217 |
13.00 |
| 2026-08-12 12:00 |
18:58:25.37 |
-26:42:59.4 |
HIP 93217 |
15.00 |
| 2026-08-13 00:00 |
18:58:11.80 |
-26:43:14.7 |
HIP 93217 |
17.29 |
| 2026-08-13 12:00 |
18:57:58.42 |
-26:43:29.6 |
HIP 93217 |
19.75 |
| 2026-08-14 00:00 |
18:57:45.22 |
-26:43:43.9 |
HIP 93217 |
22.31 |
| 2026-08-14 12:00 |
18:57:32.21 |
-26:43:57.7 |
HIP 93217 |
24.92 |
| 2026-08-15 00:00 |
18:57:19.40 |
-26:44:11.0 |
HIP 93217 |
27.55 |
| 2026-08-15 12:00 |
18:57:06.78 |
-26:44:23.8 |
HIP 93217 |
30.18 |
| 2026-08-16 00:00 |
18:56:54.35 |
-26:44:36.1 |
HIP 92808 |
31.65 |
| 2026-08-16 12:00 |
18:56:42.12 |
-26:44:47.9 |
HIP 92808 |
28.98 |
| 2026-08-17 00:00 |
18:56:30.08 |
-26:44:59.3 |
HIP 92808 |
26.36 |
| 2026-08-17 12:00 |
18:56:18.24 |
-26:45:10.1 |
HIP 92808 |
23.81 |
| 2026-08-18 00:00 |
18:56:06.60 |
-26:45:20.4 |
HIP 92808 |
21.33 |
| 2026-08-18 12:00 |
18:55:55.17 |
-26:45:30.3 |
HIP 92808 |
18.92 |
| 2026-08-19 00:00 |
18:55:43.93 |
-26:45:39.7 |
HIP 92808 |
16.60 |